Product Information

MIC5331-G4YMT-TR

Product Image X-ON

LDO Voltage Regulators
Manufacturer: Microchip


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Manufacturer
Microchip
Product Category
LDO Voltage Regulators
RoHS - XON
Y Icon ROHS
Output Current
150 mA
Mounting Style
Smd/Smt
Package / Case
MLF-8
Packaging
Reel
Brand
Microchip Technology / Micrel
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MIC5331 Micro-Power High Performance Dual 300mA ULDO? General Description Features The MIC5331 is a tiny dual low quiescent current LDO ? 2.3V to 5.5V input voltage range ideal for applications that are power sensitive. The ? 300mA output current per LDO MIC5331 integrates two high performance, 300mA LDOs ? ? Very low quiescent current: 25?A per LDO into a tiny 2mm x 2mm Thin MLF package, which ? High PSRR - >65dB on each LDO occupies less PC board area than a single SOT-23 package. ? Stable with 1?F ceramic output capacitors ? The MIC5331 is designed to reject input noise and provide ? Tiny 8-pin 2mm x 2mm Thin MLF package low output noise with fast transient response to any load ? Ultra-low dropout voltage ? 120mV @ 300mA change quickly even though it is a low quiescent current ? Low output voltage noise ? 50?Vrms part. This combination of PSRR, low noise and transient ? Thermal shutdown protection response along with low power consumption makes for a ? Current limit protection very high performance, yet general purpose product. The MIC5331 is a ?Cap design, operating with very small ceramic output capacitors, which reduces required board Applications space and component cost; and it is available in fixed ? ? Camera phones output voltages in the tiny 8-pin 2mm x 2mm Thin MLF leadless package. ? Mobile phones Data sheets and support documentation can be found on ? PDAs Micrel?s web site at: www.micrel.com. ? GPS receivers ? Portable devices ___________________________________________________________________________________________________________ Typical Application MIC5331-xxYMT VOUT1 VIN I/O CORE EN1 VOUT2 VBAT EN2 Camera DSP 1?F 1?F 1?F GND Camera DSP Power Supply Circuit ULDO is a trademark of Micrel, Inc. MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc. Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com M9999-021408-A February 2008 MIC5331 Micro-Power High Performance Dual 300mA ULDO? General Description Features The MIC5331 is a tiny dual low quiescent current LDO ? 2.3V to 5.5V input voltage range ideal for applications that are power sensitive. The ? 300mA output current per LDO MIC5331 integrates two high performance, 300mA LDOs ? ? Very low quiescent current: 25?A per LDO into a tiny 2mm x 2mm Thin MLF package, which ? High PSRR - >65dB on each LDO occupies less PC board area than a single SOT-23 package. ? Stable with 1?F ceramic output capacitors ? The MIC5331 is designed to reject input noise and provide ? Tiny 8-pin 2mm x 2mm Thin MLF package low output noise with fast transient response to any load ? Ultra-low dropout voltage ? 120mV @ 300mA change quickly even though it is a low quiescent current ? Low output voltage noise ? 50?Vrms part. This combination of PSRR, low noise and transient ? Thermal shutdown protection response along with low power consumption makes for a ? Current limit protection very high performance, yet general purpose product. The MIC5331 is a ?Cap design, operating with very small ceramic output capacitors, which reduces required board Applications space and component cost; and it is available in fixed ? ? Camera phones output voltages in the tiny 8-pin 2mm x 2mm Thin MLF leadless package. ? Mobile phones Data sheets and support documentation can be found on ? PDAs Micrel?s web site at: www.micrel.com. ? GPS receivers ? Portable devices ___________________________________________________________________________________________________________ Typical Application MIC5331-xxYMT VOUT1 VIN I/O CORE EN1 VOUT2 VBAT EN2 Camera DSP 1?F 1?F 1?F GND Camera DSP Power Supply Circuit ULDO is a trademark of Micrel, Inc. MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc. Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com M9999-021408-A February 2008 Micrel, Inc. MIC5331 Ordering Information Manufacturing Junction Part Number Marking Voltage Package Part Number Temperature Range ? MIC5331-1.8/1.2YMT MIC5331-G4YMT UG4 1.8V/1.2V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-2.5/1.2YMT MIC5331-J4YMT UJ4 2.5V/1.2V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-2.8/2.8YMT MIC5331-MMYMT UMM 2.8V/2.8V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-2.8/2.85YMT MIC5331-MNYMT UMN 2.8V/2.85V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-2.85/2.85YMT MIC5331-NNYMT UNN 2.85V/2.85V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-3.0/2.8YMT MIC5331-PMYMT UPM 3.0V/2.8V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-3.0/2.85YMT MIC5331-PNYMT UPN 3.0V/2.85V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-3.0/3.0YMT MIC5331-PPYMT UPP 3.0V/3.0V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF Note: Other voltage options available. Contact Micrel for details. Pin Configuration VIN 1 8 VOUT1 GND 2 7 VOUT2 NC 3 6 NC EN2 4 5 EN1 ? 8-Pin 2mm x 2mm Thin MLF (MT) (Top View) Pin Description Pin Number Pin Name Pin Function 1 VIN Supply Input. 2 GND Ground. 3 NC Not Internally Connected. 4 EN2 Enable Input (Regulator 2): Active High Input. Logic High = On; Logic Low = Off. Do not leave floating. 5 EN1 Enable Input (Regulator 1): Active High Input. Logic High = On; Logic Low = Off. Do not leave floating. 6 NC Not Internally Connected. 7 VOUT2 Regulator Output ? LDO2. 8 VOUT1 Regulator Output ? LDO1. M9999-021408-A February 2008 2 MIC5331 Micro-Power High Performance Dual 300mA ULDO? General Description Features The MIC5331 is a tiny dual low quiescent current LDO ? 2.3V to 5.5V input voltage range ideal for applications that are power sensitive. The ? 300mA output current per LDO MIC5331 integrates two high performance, 300mA LDOs ? ? Very low quiescent current: 25?A per LDO into a tiny 2mm x 2mm Thin MLF package, which ? High PSRR - >65dB on each LDO occupies less PC board area than a single SOT-23 package. ? Stable with 1?F ceramic output capacitors ? The MIC5331 is designed to reject input noise and provide ? Tiny 8-pin 2mm x 2mm Thin MLF package low output noise with fast transient response to any load ? Ultra-low dropout voltage ? 120mV @ 300mA change quickly even though it is a low quiescent current ? Low output voltage noise ? 50?Vrms part. This combination of PSRR, low noise and transient ? Thermal shutdown protection response along with low power consumption makes for a ? Current limit protection very high performance, yet general purpose product. The MIC5331 is a ?Cap design, operating with very small ceramic output capacitors, which reduces required board Applications space and component cost; and it is available in fixed ? ? Camera phones output voltages in the tiny 8-pin 2mm x 2mm Thin MLF leadless package. ? Mobile phones Data sheets and support documentation can be found on ? PDAs Micrel?s web site at: www.micrel.com. ? GPS receivers ? Portable devices ___________________________________________________________________________________________________________ Typical Application MIC5331-xxYMT VOUT1 VIN I/O CORE EN1 VOUT2 VBAT EN2 Camera DSP 1?F 1?F 1?F GND Camera DSP Power Supply Circuit ULDO is a trademark of Micrel, Inc. MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc. Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com M9999-021408-A February 2008 MIC5331 Micro-Power High Performance Dual 300mA ULDO? General Description Features The MIC5331 is a tiny dual low quiescent current LDO ? 2.3V to 5.5V input voltage range ideal for applications that are power sensitive. The ? 300mA output current per LDO MIC5331 integrates two high performance, 300mA LDOs ? ? Very low quiescent current: 25?A per LDO into a tiny 2mm x 2mm Thin MLF package, which ? High PSRR - >65dB on each LDO occupies less PC board area than a single SOT-23 package. ? Stable with 1?F ceramic output capacitors ? The MIC5331 is designed to reject input noise and provide ? Tiny 8-pin 2mm x 2mm Thin MLF package low output noise with fast transient response to any load ? Ultra-low dropout voltage ? 120mV @ 300mA change quickly even though it is a low quiescent current ? Low output voltage noise ? 50?Vrms part. This combination of PSRR, low noise and transient ? Thermal shutdown protection response along with low power consumption makes for a ? Current limit protection very high performance, yet general purpose product. The MIC5331 is a ?Cap design, operating with very small ceramic output capacitors, which reduces required board Applications space and component cost; and it is available in fixed ? ? Camera phones output voltages in the tiny 8-pin 2mm x 2mm Thin MLF leadless package. ? Mobile phones Data sheets and support documentation can be found on ? PDAs Micrel?s web site at: www.micrel.com. ? GPS receivers ? Portable devices ___________________________________________________________________________________________________________ Typical Application MIC5331-xxYMT VOUT1 VIN I/O CORE EN1 VOUT2 VBAT EN2 Camera DSP 1?F 1?F 1?F GND Camera DSP Power Supply Circuit ULDO is a trademark of Micrel, Inc. MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc. Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com M9999-021408-A February 2008 Micrel, Inc. MIC5331 Ordering Information Manufacturing Junction Part Number Marking Voltage Package Part Number Temperature Range ? MIC5331-1.8/1.2YMT MIC5331-G4YMT UG4 1.8V/1.2V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-2.5/1.2YMT MIC5331-J4YMT UJ4 2.5V/1.2V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-2.8/2.8YMT MIC5331-MMYMT UMM 2.8V/2.8V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-2.8/2.85YMT MIC5331-MNYMT UMN 2.8V/2.85V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-2.85/2.85YMT MIC5331-NNYMT UNN 2.85V/2.85V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-3.0/2.8YMT MIC5331-PMYMT UPM 3.0V/2.8V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-3.0/2.85YMT MIC5331-PNYMT UPN 3.0V/2.85V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-3.0/3.0YMT MIC5331-PPYMT UPP 3.0V/3.0V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF Note: Other voltage options available. Contact Micrel for details. Pin Configuration VIN 1 8 VOUT1 GND 2 7 VOUT2 NC 3 6 NC EN2 4 5 EN1 ? 8-Pin 2mm x 2mm Thin MLF (MT) (Top View) Pin Description Pin Number Pin Name Pin Function 1 VIN Supply Input. 2 GND Ground. 3 NC Not Internally Connected. 4 EN2 Enable Input (Regulator 2): Active High Input. Logic High = On; Logic Low = Off. Do not leave floating. 5 EN1 Enable Input (Regulator 1): Active High Input. Logic High = On; Logic Low = Off. Do not leave floating. 6 NC Not Internally Connected. 7 VOUT2 Regulator Output ? LDO2. 8 VOUT1 Regulator Output ? LDO1. M9999-021408-A February 2008 2 Micrel, Inc. MIC5331 (1) (2) Absolute Maximum Ratings Operating Ratings Supply Voltage (V )............................................. 0V to +6V Supply Voltage (V )..................................... +2.3V to +5.5V IN IN Enable Input Voltage (V , V ) .......................... 0V to V Enable Input Voltage (V , V ) .......................... 0V to V EN1 EN2 IN EN1 EN2 IN (3) Power Dissipation ..................................Internally Limited Junction Temperature (T ) ........................?40?C to +125?C J Lead Temperature (soldering, 3sec.)......................... 260?C Junction Thermal Resistance Storage Temperature (T ) .........................?65?C to +150?C s 2mm x 2mm Thin MLF-8 ( ? ) ...........................90?C/W JA (4) ESD Sensitive (5) Electrical Characteristics V = V = V = V + 1.0V, higher of the two regulator outputs; I = I = 100?A; C = C = 1?F; IN EN1 EN2 OUT OUT1 OUT2 OUT1 OUT2 T = 25?C, bold values indicate ?40?C < T < +125?C; unless noted. J J Parameter Condition Min Typ Max Units Output Voltage Accuracy Variation from nominal V ?1.0 +1.0 % OUT Variation from nominal V ; ?40?C to +125?C ?2.0 +2.0 % OUT Line Regulation V = V +1V to 5.5V; I = 100?A 0.02 0.3 %/V IN OUT OUT 0.6 %/V Load Regulation I = 100?A to 300mA 0.2 0.5 % OUT Dropout Voltage I = 50mA 20 40 mV OUT I = 300mA 120 240 mV OUT Ground Current V = High; V = Low; I = 100?A to 300mA 25 50 ?A EN1 EN2 OUT V = Low; V = High; I = 100?A to 300mA 25 50 ?A EN1 EN2 OUT V = V = High; I = 300mA, I = 300mA 40 75 ?A EN1 EN2 OUT1 OUT2 Ground Current in Shutdown V = V < 0.2V 0.01 1.0 ?A EN1 EN2 Ripple Rejection f = 1kHz; C = 2.2?F 65 dB OUT f = 20kHz; C = 2.2?F 45 dB OUT Current Limit V = 0V 350 550 800 mA OUT Output Voltage Noise C =1?F; 10Hz to 100kHz 50 ?V OUT RMS Enable Inputs (EN1/EN2 ) Enable Input Voltage Logic Low 0.2 V Logic High 1.2 V Enable Input Current V ? 0.2V 0.01 1.0 ?A IL V ? 1.2V 0.01 1.0 ?A IH Turn-on Time Turn-on Time (LDO1 and 2) C = 1?F (Enable of First LDO) 140 500 ?s OUT C = 1?F (Enable of Second LDO after First Enabled) 110 500 ?s OUT Notes: 1. Exceeding the absolute maximum rating may damage the device. 2. The device is not guaranteed to function outside its operating rating. 3. The maximum allowable power dissipation of any T (ambient temperature) is P = (T ? T ) / ? . Exceeding the maximum allowable power A D(max) J(max) A JA dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown. 4. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k ? in series with 100pF. 5. Specification for packaged product only. February 2008 3 M9999-021408-A MIC5331 Micro-Power High Performance Dual 300mA ULDO? General Description Features The MIC5331 is a tiny dual low quiescent current LDO ? 2.3V to 5.5V input voltage range ideal for applications that are power sensitive. The ? 300mA output current per LDO MIC5331 integrates two high performance, 300mA LDOs ? ? Very low quiescent current: 25?A per LDO into a tiny 2mm x 2mm Thin MLF package, which ? High PSRR - >65dB on each LDO occupies less PC board area than a single SOT-23 package. ? Stable with 1?F ceramic output capacitors ? The MIC5331 is designed to reject input noise and provide ? Tiny 8-pin 2mm x 2mm Thin MLF package low output noise with fast transient response to any load ? Ultra-low dropout voltage ? 120mV @ 300mA change quickly even though it is a low quiescent current ? Low output voltage noise ? 50?Vrms part. This combination of PSRR, low noise and transient ? Thermal shutdown protection response along with low power consumption makes for a ? Current limit protection very high performance, yet general purpose product. The MIC5331 is a ?Cap design, operating with very small ceramic output capacitors, which reduces required board Applications space and component cost; and it is available in fixed ? ? Camera phones output voltages in the tiny 8-pin 2mm x 2mm Thin MLF leadless package. ? Mobile phones Data sheets and support documentation can be found on ? PDAs Micrel?s web site at: www.micrel.com. ? GPS receivers ? Portable devices ___________________________________________________________________________________________________________ Typical Application MIC5331-xxYMT VOUT1 VIN I/O CORE EN1 VOUT2 VBAT EN2 Camera DSP 1?F 1?F 1?F GND Camera DSP Power Supply Circuit ULDO is a trademark of Micrel, Inc. MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc. Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com M9999-021408-A February 2008 MIC5331 Micro-Power High Performance Dual 300mA ULDO? General Description Features The MIC5331 is a tiny dual low quiescent current LDO ? 2.3V to 5.5V input voltage range ideal for applications that are power sensitive. The ? 300mA output current per LDO MIC5331 integrates two high performance, 300mA LDOs ? ? Very low quiescent current: 25?A per LDO into a tiny 2mm x 2mm Thin MLF package, which ? High PSRR - >65dB on each LDO occupies less PC board area than a single SOT-23 package. ? Stable with 1?F ceramic output capacitors ? The MIC5331 is designed to reject input noise and provide ? Tiny 8-pin 2mm x 2mm Thin MLF package low output noise with fast transient response to any load ? Ultra-low dropout voltage ? 120mV @ 300mA change quickly even though it is a low quiescent current ? Low output voltage noise ? 50?Vrms part. This combination of PSRR, low noise and transient ? Thermal shutdown protection response along with low power consumption makes for a ? Current limit protection very high performance, yet general purpose product. The MIC5331 is a ?Cap design, operating with very small ceramic output capacitors, which reduces required board Applications space and component cost; and it is available in fixed ? ? Camera phones output voltages in the tiny 8-pin 2mm x 2mm Thin MLF leadless package. ? Mobile phones Data sheets and support documentation can be found on ? PDAs Micrel?s web site at: www.micrel.com. ? GPS receivers ? Portable devices ___________________________________________________________________________________________________________ Typical Application MIC5331-xxYMT VOUT1 VIN I/O CORE EN1 VOUT2 VBAT EN2 Camera DSP 1?F 1?F 1?F GND Camera DSP Power Supply Circuit ULDO is a trademark of Micrel, Inc. MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc. Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com M9999-021408-A February 2008 Micrel, Inc. MIC5331 Ordering Information Manufacturing Junction Part Number Marking Voltage Package Part Number Temperature Range ? MIC5331-1.8/1.2YMT MIC5331-G4YMT UG4 1.8V/1.2V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-2.5/1.2YMT MIC5331-J4YMT UJ4 2.5V/1.2V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-2.8/2.8YMT MIC5331-MMYMT UMM 2.8V/2.8V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-2.8/2.85YMT MIC5331-MNYMT UMN 2.8V/2.85V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-2.85/2.85YMT MIC5331-NNYMT UNN 2.85V/2.85V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-3.0/2.8YMT MIC5331-PMYMT UPM 3.0V/2.8V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-3.0/2.85YMT MIC5331-PNYMT UPN 3.0V/2.85V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-3.0/3.0YMT MIC5331-PPYMT UPP 3.0V/3.0V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF Note: Other voltage options available. Contact Micrel for details. Pin Configuration VIN 1 8 VOUT1 GND 2 7 VOUT2 NC 3 6 NC EN2 4 5 EN1 ? 8-Pin 2mm x 2mm Thin MLF (MT) (Top View) Pin Description Pin Number Pin Name Pin Function 1 VIN Supply Input. 2 GND Ground. 3 NC Not Internally Connected. 4 EN2 Enable Input (Regulator 2): Active High Input. Logic High = On; Logic Low = Off. Do not leave floating. 5 EN1 Enable Input (Regulator 1): Active High Input. Logic High = On; Logic Low = Off. Do not leave floating. 6 NC Not Internally Connected. 7 VOUT2 Regulator Output ? LDO2. 8 VOUT1 Regulator Output ? LDO1. M9999-021408-A February 2008 2 MIC5331 Micro-Power High Performance Dual 300mA ULDO? General Description Features The MIC5331 is a tiny dual low quiescent current LDO ? 2.3V to 5.5V input voltage range ideal for applications that are power sensitive. The ? 300mA output current per LDO MIC5331 integrates two high performance, 300mA LDOs ? ? Very low quiescent current: 25?A per LDO into a tiny 2mm x 2mm Thin MLF package, which ? High PSRR - >65dB on each LDO occupies less PC board area than a single SOT-23 package. ? Stable with 1?F ceramic output capacitors ? The MIC5331 is designed to reject input noise and provide ? Tiny 8-pin 2mm x 2mm Thin MLF package low output noise with fast transient response to any load ? Ultra-low dropout voltage ? 120mV @ 300mA change quickly even though it is a low quiescent current ? Low output voltage noise ? 50?Vrms part. This combination of PSRR, low noise and transient ? Thermal shutdown protection response along with low power consumption makes for a ? Current limit protection very high performance, yet general purpose product. The MIC5331 is a ?Cap design, operating with very small ceramic output capacitors, which reduces required board Applications space and component cost; and it is available in fixed ? ? Camera phones output voltages in the tiny 8-pin 2mm x 2mm Thin MLF leadless package. ? Mobile phones Data sheets and support documentation can be found on ? PDAs Micrel?s web site at: www.micrel.com. ? GPS receivers ? Portable devices ___________________________________________________________________________________________________________ Typical Application MIC5331-xxYMT VOUT1 VIN I/O CORE EN1 VOUT2 VBAT EN2 Camera DSP 1?F 1?F 1?F GND Camera DSP Power Supply Circuit ULDO is a trademark of Micrel, Inc. MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc. Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com M9999-021408-A February 2008 MIC5331 Micro-Power High Performance Dual 300mA ULDO? General Description Features The MIC5331 is a tiny dual low quiescent current LDO ? 2.3V to 5.5V input voltage range ideal for applications that are power sensitive. The ? 300mA output current per LDO MIC5331 integrates two high performance, 300mA LDOs ? ? Very low quiescent current: 25?A per LDO into a tiny 2mm x 2mm Thin MLF package, which ? High PSRR - >65dB on each LDO occupies less PC board area than a single SOT-23 package. ? Stable with 1?F ceramic output capacitors ? The MIC5331 is designed to reject input noise and provide ? Tiny 8-pin 2mm x 2mm Thin MLF package low output noise with fast transient response to any load ? Ultra-low dropout voltage ? 120mV @ 300mA change quickly even though it is a low quiescent current ? Low output voltage noise ? 50?Vrms part. This combination of PSRR, low noise and transient ? Thermal shutdown protection response along with low power consumption makes for a ? Current limit protection very high performance, yet general purpose product. The MIC5331 is a ?Cap design, operating with very small ceramic output capacitors, which reduces required board Applications space and component cost; and it is available in fixed ? ? Camera phones output voltages in the tiny 8-pin 2mm x 2mm Thin MLF leadless package. ? Mobile phones Data sheets and support documentation can be found on ? PDAs Micrel?s web site at: www.micrel.com. ? GPS receivers ? Portable devices ___________________________________________________________________________________________________________ Typical Application MIC5331-xxYMT VOUT1 VIN I/O CORE EN1 VOUT2 VBAT EN2 Camera DSP 1?F 1?F 1?F GND Camera DSP Power Supply Circuit ULDO is a trademark of Micrel, Inc. MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc. Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com M9999-021408-A February 2008 Micrel, Inc. MIC5331 Ordering Information Manufacturing Junction Part Number Marking Voltage Package Part Number Temperature Range ? MIC5331-1.8/1.2YMT MIC5331-G4YMT UG4 1.8V/1.2V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-2.5/1.2YMT MIC5331-J4YMT UJ4 2.5V/1.2V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-2.8/2.8YMT MIC5331-MMYMT UMM 2.8V/2.8V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-2.8/2.85YMT MIC5331-MNYMT UMN 2.8V/2.85V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-2.85/2.85YMT MIC5331-NNYMT UNN 2.85V/2.85V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-3.0/2.8YMT MIC5331-PMYMT UPM 3.0V/2.8V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-3.0/2.85YMT MIC5331-PNYMT UPN 3.0V/2.85V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF ? MIC5331-3.0/3.0YMT MIC5331-PPYMT UPP 3.0V/3.0V ?40? to +125?C 8-Pin 2mm x 2mm Thin MLF Note: Other voltage options available. Contact Micrel for details. Pin Configuration VIN 1 8 VOUT1 GND 2 7 VOUT2 NC 3 6 NC EN2 4 5 EN1 ? 8-Pin 2mm x 2mm Thin MLF (MT) (Top View) Pin Description Pin Number Pin Name Pin Function 1 VIN Supply Input. 2 GND Ground. 3 NC Not Internally Connected. 4 EN2 Enable Input (Regulator 2): Active High Input. Logic High = On; Logic Low = Off. Do not leave floating. 5 EN1 Enable Input (Regulator 1): Active High Input. Logic High = On; Logic Low = Off. Do not leave floating. 6 NC Not Internally Connected. 7 VOUT2 Regulator Output ? LDO2. 8 VOUT1 Regulator Output ? LDO1. M9999-021408-A February 2008 2 Micrel, Inc. MIC5331 (1) (2) Absolute Maximum Ratings Operating Ratings Supply Voltage (V )............................................. 0V to +6V Supply Voltage (V )..................................... +2.3V to +5.5V IN IN Enable Input Voltage (V , V ) .......................... 0V to V Enable Input Voltage (V , V ) .......................... 0V to V EN1 EN2 IN EN1 EN2 IN (3) Power Dissipation ..................................Internally Limited Junction Temperature (T ) ........................?40?C to +125?C J Lead Temperature (soldering, 3sec.)......................... 260?C Junction Thermal Resistance Storage Temperature (T ) .........................?65?C to +150?C s 2mm x 2mm Thin MLF-8 ( ? ) ...........................90?C/W JA (4) ESD Sensitive (5) Electrical Characteristics V = V = V = V + 1.0V, higher of the two regulator outputs; I = I = 100?A; C = C = 1?F; IN EN1 EN2 OUT OUT1 OUT2 OUT1 OUT2 T = 25?C, bold values indicate ?40?C < T < +125?C; unless noted. J J Parameter Condition Min Typ Max Units Output Voltage Accuracy Variation from nominal V ?1.0 +1.0 % OUT Variation from nominal V ; ?40?C to +125?C ?2.0 +2.0 % OUT Line Regulation V = V +1V to 5.5V; I = 100?A 0.02 0.3 %/V IN OUT OUT 0.6 %/V Load Regulation I = 100?A to 300mA 0.2 0.5 % OUT Dropout Voltage I = 50mA 20 40 mV OUT I = 300mA 120 240 mV OUT Ground Current V = High; V = Low; I = 100?A to 300mA 25 50 ?A EN1 EN2 OUT V = Low; V = High; I = 100?A to 300mA 25 50 ?A EN1 EN2 OUT V = V = High; I = 300mA, I = 300mA 40 75 ?A EN1 EN2 OUT1 OUT2 Ground Current in Shutdown V = V < 0.2V 0.01 1.0 ?A EN1 EN2 Ripple Rejection f = 1kHz; C = 2.2?F 65 dB OUT f = 20kHz; C = 2.2?F 45 dB OUT Current Limit V = 0V 350 550 800 mA OUT Output Voltage Noise C =1?F; 10Hz to 100kHz 50 ?V OUT RMS Enable Inputs (EN1/EN2 ) Enable Input Voltage Logic Low 0.2 V Logic High 1.2 V Enable Input Current V = 0.2V 0.01 1.0 ?A IL V = 1.2V 0.01 1.0 ?A IH Turn-on Time Turn-on Time (LDO1 and 2) C = 1?F (Enable of First LDO) 140 500 ?s OUT C = 1?F (Enable of Second LDO after First Enabled) 110 500 ?s OUT Notes: 1. Exceeding the absolute maximum rating may damage the device. 2. The device is not guaranteed to function outside its operating rating. 3. The maximum allowable power dissipation of any T (ambient temperature) is P = (T ? T ) / ? . Exceeding the maximum allowable power A D(max) J(max) A JA dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown. 4. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k ? in series with 100pF. 5. Specification for packaged product only. February 2008 3 M9999-021408-A

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8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

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