Product Information

MIC2039AYMT-TR

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IC: power switch; high-side switch; 0.2÷2.5A; Channels:1; MOSFET
Manufacturer: Microchip


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MIC2039AYMT-TR
Microchip

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MIC2039AYMT-TR
Microchip

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Microchip

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MIC2039AYMT-TR
Microchip

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Manufacturer
Microchip
Product Category
Power Switch ICs - Power Distribution
Mounting
Smd
Kind Of Integrated Circuit
High-Side Switch
Kind Of Output
Mosfet
Case
Tdfn6
Kind Of Package
Reel, Tape
Type Of Integrated Circuit
Power Switch
Number Of Channels
1
Output Current
0.2 To 2.5 A
Supply Voltage
2.5 To 5.5 V
On-State Resistance
125 mOhms
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MIC2039 High-Accuracy, High-Side, Adjustable Current Limit Power Switch General Description Features The MIC2039 is a high-side MOSFET power distribution ? ?5% current limit accuracy switch providing increased system reliability by using 5% ? Input supply range from 2.5V to 5.5V current-limit accuracy. ? Low quiescent current: 100?A typical (switch ON) The MIC2039 has an operating input voltage range from ? 75m? typical R at 5.0V DS(ON) 2.5V to 5.5V, is internally current limited, and has thermal ? 0.2A to 2.5A adjustable output current shutdown to protect the device and system. The MIC2039 ? Kickstart ? momentary secondary current-limit threshold is offered with either active-high or active-low logic level (120ms period) enable input controls. It has an open drain fault status ? Soft-start functionality output flag with a built-in 32ms delay that asserts low during overcurrent or thermal-shutdown conditions. ? Undervoltage lockout (UVLO) ? Fast 10?s short-circuit response time (non-Kickstart The MIC2039 switches feature an adjustable output options) current limit that is resistor programmable from 0.2A to 2.5A. The MIC2039 switch also offers a unique, Kickstart ? Fault status output flag feature that allows momentary high-current surges up to ? Logic-controlled enable (active-high, active-low) the secondary current limit (I ) during startup or LIMIT_2nd ? Thermal shutdown while operating in steady state. This is useful for charging ? Pin compatible with the MIC2009/MIC2019 loads with high inrush currents, such as capacitors. After an overcurrent condition is established, these switches ? 6-pin 2mm ? 2mm thin DFN and 6-pin SOT-23 enter into a constant current-limit mode unless the die packages temperature exceeds the thermal-shutdown specification. ? Junction temperature range from ?40?C to +125?C The MIC2039 is available in 6-pin SOT-23 and 6-pin Applications 2mm ? 2mm thin DFN packages. The MIC2039 has an operating junction temperature range of ?40?C to +125 ?C. ? USB peripherals and USB 2.0/3.0 compatible ? DTV/STB Datasheets and support documentation are available on Micrel?s web site at: www.micrel.com. ? Notebooks and consumer electronics ? General-purpose power distribution Typical Application Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com Revision 1.3 December 8, 2014 MIC2039 High-Accuracy, High-Side, Adjustable Current Limit Power Switch General Description Features The MIC2039 is a high-side MOSFET power distribution ? ?5% current limit accuracy switch providing increased system reliability by using 5% ? Input supply range from 2.5V to 5.5V current-limit accuracy. ? Low quiescent current: 100?A typical (switch ON) The MIC2039 has an operating input voltage range from ? 75m? typical R at 5.0V DS(ON) 2.5V to 5.5V, is internally current limited, and has thermal ? 0.2A to 2.5A adjustable output current shutdown to protect the device and system. The MIC2039 ? Kickstart - momentary secondary current-limit threshold is offered with either active-high or active-low logic level (120ms period) enable input controls. It has an open drain fault status ? Soft-start functionality output flag with a built-in 32ms delay that asserts low during overcurrent or thermal-shutdown conditions. ? Undervoltage lockout (UVLO) ? Fast 10?s short-circuit response time (non-Kickstart The MIC2039 switches feature an adjustable output options) current limit that is resistor programmable from 0.2A to 2.5A. The MIC2039 switch also offers a unique, Kickstart ? Fault status output flag feature that allows momentary high-current surges up to ? Logic-controlled enable (active-high, active-low) the secondary current limit (I ) during startup or LIMIT_2nd ? Thermal shutdown while operating in steady state. This is useful for charging ? Pin compatible with the MIC2009/MIC2019 loads with high inrush currents, such as capacitors. After an overcurrent condition is established, these switches ? 6-pin 2mm ? 2mm thin DFN and 6-pin SOT-23 enter into a constant current-limit mode unless the die packages temperature exceeds the thermal-shutdown specification. ? Junction temperature range from -40?C to +125?C The MIC2039 is available in 6-pin SOT-23 and 6-pin Applications 2mm ? 2mm thin DFN packages. The MIC2039 has an operating junction temperature range of -40?C to +125 ?C. ? USB peripherals and USB 2.0/3.0 compatible ? DTV/STB Datasheets and support documentation are available on Micrel?s web site at: www.micrel.com. ? Notebooks and consumer electronics ? General-purpose power distribution Typical Application Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com Revision 1.3 December 8, 2014 Micrel, Inc. MIC2039 Ordering Information Part Number Top Current Enable Kickstart Package (1) Mark Limit MIC2039AYM6 39AA Adjustable Active High No SOT-23-6L MIC2039BYM6 39BB Adjustable Active Low No SOT-23-6L (2) MIC2039AYMT 3A9 Adjustable Active High No 6-pin 2mm x 2mm Thin DFN (2) MIC2039BYMT B39 Adjustable Active Low No 6-pin 2mm x 2mm Thin DFN MIC2039EYM6 39AE Adjustable Active High Yes SOT-23-6L MIC2039FYM6 39AF Adjustable Active Low Yes SOT-23-6L (2) MIC2039EYMT D39 Adjustable Active High Yes 6-pin 2mm x 2mm Thin DFN (2) MIC2039FYMT F39 Adjustable Active Low Yes 6-pin 2mm x 2mm Thin DFN Note: 1. Under-bar symbol ( _ ) may not be to scale. 2. Thin DFN is a GREEN RoHS-compliant package. Lead finish is NiPdAu. Mold compound is Halogen Free. Pin Configuration (3) SOT-23 6-pin (M6) 2mm x 2mm 6-pin Thin DFN (MT) Top View (Top View) Notes: 3. Thin DFN ? = Pin 1 identifier. Revision 1.3 December 8, 2014 2 MIC2039 High-Accuracy, High-Side, Adjustable Current Limit Power Switch General Description Features The MIC2039 is a high-side MOSFET power distribution ? ?5% current limit accuracy switch providing increased system reliability by using 5% ? Input supply range from 2.5V to 5.5V current-limit accuracy. ? Low quiescent current: 100?A typical (switch ON) The MIC2039 has an operating input voltage range from ? 75m? typical R at 5.0V DS(ON) 2.5V to 5.5V, is internally current limited, and has thermal ? 0.2A to 2.5A adjustable output current shutdown to protect the device and system. The MIC2039 ? Kickstart - momentary secondary current-limit threshold is offered with either active-high or active-low logic level (120ms period) enable input controls. It has an open drain fault status ? Soft-start functionality output flag with a built-in 32ms delay that asserts low during overcurrent or thermal-shutdown conditions. ? Undervoltage lockout (UVLO) ? Fast 10?s short-circuit response time (non-Kickstart The MIC2039 switches feature an adjustable output options) current limit that is resistor programmable from 0.2A to 2.5A. The MIC2039 switch also offers a unique, Kickstart ? Fault status output flag feature that allows momentary high-current surges up to ? Logic-controlled enable (active-high, active-low) the secondary current limit (I ) during startup or LIMIT_2nd ? Thermal shutdown while operating in steady state. This is useful for charging ? Pin compatible with the MIC2009/MIC2019 loads with high inrush currents, such as capacitors. After an overcurrent condition is established, these switches ? 6-pin 2mm ? 2mm thin DFN and 6-pin SOT-23 enter into a constant current-limit mode unless the die packages temperature exceeds the thermal-shutdown specification. ? Junction temperature range from -40?C to +125?C The MIC2039 is available in 6-pin SOT-23 and 6-pin Applications 2mm ? 2mm thin DFN packages. The MIC2039 has an operating junction temperature range of -40?C to +125 ?C. ? USB peripherals and USB 2.0/3.0 compatible ? DTV/STB Datasheets and support documentation are available on Micrel?s web site at: www.micrel.com. ? Notebooks and consumer electronics ? General-purpose power distribution Typical Application Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com Revision 1.3 December 8, 2014 MIC2039 High-Accuracy, High-Side, Adjustable Current Limit Power Switch General Description Features The MIC2039 is a high-side MOSFET power distribution ? ?5% current limit accuracy switch providing increased system reliability by using 5% ? Input supply range from 2.5V to 5.5V current-limit accuracy. ? Low quiescent current: 100?A typical (switch ON) The MIC2039 has an operating input voltage range from ? 75m? typical R at 5.0V DS(ON) 2.5V to 5.5V, is internally current limited, and has thermal ? 0.2A to 2.5A adjustable output current shutdown to protect the device and system. The MIC2039 ? Kickstart - momentary secondary current-limit threshold is offered with either active-high or active-low logic level (120ms period) enable input controls. It has an open drain fault status ? Soft-start functionality output flag with a built-in 32ms delay that asserts low during overcurrent or thermal-shutdown conditions. ? Undervoltage lockout (UVLO) ? Fast 10?s short-circuit response time (non-Kickstart The MIC2039 switches feature an adjustable output options) current limit that is resistor programmable from 0.2A to 2.5A. The MIC2039 switch also offers a unique, Kickstart ? Fault status output flag feature that allows momentary high-current surges up to ? Logic-controlled enable (active-high, active-low) the secondary current limit (I ) during startup or LIMIT_2nd ? Thermal shutdown while operating in steady state. This is useful for charging ? Pin compatible with the MIC2009/MIC2019 loads with high inrush currents, such as capacitors. After an overcurrent condition is established, these switches ? 6-pin 2mm ? 2mm thin DFN and 6-pin SOT-23 enter into a constant current-limit mode unless the die packages temperature exceeds the thermal-shutdown specification. ? Junction temperature range from -40?C to +125?C The MIC2039 is available in 6-pin SOT-23 and 6-pin Applications 2mm ? 2mm thin DFN packages. The MIC2039 has an operating junction temperature range of -40?C to +125 ?C. ? USB peripherals and USB 2.0/3.0 compatible ? DTV/STB Datasheets and support documentation are available on Micrel?s web site at: www.micrel.com. ? Notebooks and consumer electronics ? General-purpose power distribution Typical Application Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com Revision 1.3 December 8, 2014 Micrel, Inc. MIC2039 Ordering Information Part Number Top Current Enable Kickstart Package (1) Mark Limit MIC2039AYM6 39AA Adjustable Active High No SOT-23-6L MIC2039BYM6 39BB Adjustable Active Low No SOT-23-6L (2) MIC2039AYMT 3A9 Adjustable Active High No 6-pin 2mm x 2mm Thin DFN (2) MIC2039BYMT B39 Adjustable Active Low No 6-pin 2mm x 2mm Thin DFN MIC2039EYM6 39AE Adjustable Active High Yes SOT-23-6L MIC2039FYM6 39AF Adjustable Active Low Yes SOT-23-6L (2) MIC2039EYMT D39 Adjustable Active High Yes 6-pin 2mm x 2mm Thin DFN (2) MIC2039FYMT F39 Adjustable Active Low Yes 6-pin 2mm x 2mm Thin DFN Note: 1. Under-bar symbol ( _ ) may not be to scale. 2. Thin DFN is a GREEN RoHS-compliant package. Lead finish is NiPdAu. Mold compound is Halogen Free. Pin Configuration (3) SOT-23 6-pin (M6) 2mm x 2mm 6-pin Thin DFN (MT) Top View (Top View) Notes: 3. Thin DFN ? = Pin 1 identifier. Revision 1.3 December 8, 2014 2 Micrel, Inc. MIC2039 Pin Description Pin Number 6-Pin Pin Name Pin Function SOT-23-6L 2mm x 2mm Thin DFN 1 6 VIN Input: Power switch and logic supply input. 2 5 GND Ground: Input and output return pin. Enable (Input): Logic compatible, enable control input that allows switch turn- 3 4 EN on/off. Do not leave the EN pin floating. Fault Status Flag (Output): Active-low, open-drain output. A logic low state indicates an overcurrent or thermal shutdown condition. An overcurrent 4 3 FAULT/ condition must last longer than t / to assert FAULT/. A pull-up resistor FAULT (10k? recommended) to an external supply is required. Current Limit Set: Current limit adjust setting. Connect a resistor from this pin 5 2 ILIMIT to GND to set the current limit, but do not leave the ILIMIT pin floating. 6 1 VOUT Switch Output: Power switch output. Exposed Pad: Exposed pad on bottom of package. Connect to electrical ? EP ePad ground for optimum thermal dissipation. Revision 1.3 December 8, 2014 3 MIC2039 High-Accuracy, High-Side, Adjustable Current Limit Power Switch General Description Features The MIC2039 is a high-side MOSFET power distribution ? ?5% current limit accuracy switch providing increased system reliability by using 5% ? Input supply range from 2.5V to 5.5V current-limit accuracy. ? Low quiescent current: 100?A typical (switch ON) The MIC2039 has an operating input voltage range from ? 75m? typical R at 5.0V DS(ON) 2.5V to 5.5V, is internally current limited, and has thermal ? 0.2A to 2.5A adjustable output current shutdown to protect the device and system. The MIC2039 ? Kickstart - momentary secondary current-limit threshold is offered with either active-high or active-low logic level (120ms period) enable input controls. It has an open drain fault status ? Soft-start functionality output flag with a built-in 32ms delay that asserts low during overcurrent or thermal-shutdown conditions. ? Undervoltage lockout (UVLO) ? Fast 10?s short-circuit response time (non-Kickstart The MIC2039 switches feature an adjustable output options) current limit that is resistor programmable from 0.2A to 2.5A. The MIC2039 switch also offers a unique, Kickstart ? Fault status output flag feature that allows momentary high-current surges up to ? Logic-controlled enable (active-high, active-low) the secondary current limit (I ) during startup or LIMIT_2nd ? Thermal shutdown while operating in steady state. This is useful for charging ? Pin compatible with the MIC2009/MIC2019 loads with high inrush currents, such as capacitors. After an overcurrent condition is established, these switches ? 6-pin 2mm ? 2mm thin DFN and 6-pin SOT-23 enter into a constant current-limit mode unless the die packages temperature exceeds the thermal-shutdown specification. ? Junction temperature range from -40?C to +125?C The MIC2039 is available in 6-pin SOT-23 and 6-pin Applications 2mm ? 2mm thin DFN packages. The MIC2039 has an operating junction temperature range of -40?C to +125 ?C. ? USB peripherals and USB 2.0/3.0 compatible ? DTV/STB Datasheets and support documentation are available on Micrel?s web site at: www.micrel.com. ? Notebooks and consumer electronics ? General-purpose power distribution Typical Application Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com Revision 1.3 December 8, 2014 MIC2039 High-Accuracy, High-Side, Adjustable Current Limit Power Switch General Description Features The MIC2039 is a high-side MOSFET power distribution ? ?5% current limit accuracy switch providing increased system reliability by using 5% ? Input supply range from 2.5V to 5.5V current-limit accuracy. ? Low quiescent current: 100?A typical (switch ON) The MIC2039 has an operating input voltage range from ? 75m? typical R at 5.0V DS(ON) 2.5V to 5.5V, is internally current limited, and has thermal ? 0.2A to 2.5A adjustable output current shutdown to protect the device and system. The MIC2039 ? Kickstart - momentary secondary current-limit threshold is offered with either active-high or active-low logic level (120ms period) enable input controls. It has an open drain fault status ? Soft-start functionality output flag with a built-in 32ms delay that asserts low during overcurrent or thermal-shutdown conditions. ? Undervoltage lockout (UVLO) ? Fast 10?s short-circuit response time (non-Kickstart The MIC2039 switches feature an adjustable output options) current limit that is resistor programmable from 0.2A to 2.5A. The MIC2039 switch also offers a unique, Kickstart ? Fault status output flag feature that allows momentary high-current surges up to ? Logic-controlled enable (active-high, active-low) the secondary current limit (I ) during startup or LIMIT_2nd ? Thermal shutdown while operating in steady state. This is useful for charging ? Pin compatible with the MIC2009/MIC2019 loads with high inrush currents, such as capacitors. After an overcurrent condition is established, these switches ? 6-pin 2mm ? 2mm thin DFN and 6-pin SOT-23 enter into a constant current-limit mode unless the die packages temperature exceeds the thermal-shutdown specification. ? Junction temperature range from -40?C to +125?C The MIC2039 is available in 6-pin SOT-23 and 6-pin Applications 2mm ? 2mm thin DFN packages. The MIC2039 has an operating junction temperature range of -40?C to +125 ?C. ? USB peripherals and USB 2.0/3.0 compatible ? DTV/STB Datasheets and support documentation are available on Micrel?s web site at: www.micrel.com. ? Notebooks and consumer electronics ? General-purpose power distribution Typical Application Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com Revision 1.3 December 8, 2014 Micrel, Inc. MIC2039 Ordering Information Part Number Top Current Enable Kickstart Package (1) Mark Limit MIC2039AYM6 39AA Adjustable Active High No SOT-23-6L MIC2039BYM6 39BB Adjustable Active Low No SOT-23-6L (2) MIC2039AYMT 3A9 Adjustable Active High No 6-pin 2mm x 2mm Thin DFN (2) MIC2039BYMT B39 Adjustable Active Low No 6-pin 2mm x 2mm Thin DFN MIC2039EYM6 39AE Adjustable Active High Yes SOT-23-6L MIC2039FYM6 39AF Adjustable Active Low Yes SOT-23-6L (2) MIC2039EYMT D39 Adjustable Active High Yes 6-pin 2mm x 2mm Thin DFN (2) MIC2039FYMT F39 Adjustable Active Low Yes 6-pin 2mm x 2mm Thin DFN Note: 1. Under-bar symbol ( _ ) may not be to scale. 2. Thin DFN is a GREEN RoHS-compliant package. Lead finish is NiPdAu. Mold compound is Halogen Free. Pin Configuration (3) SOT-23 6-pin (M6) 2mm x 2mm 6-pin Thin DFN (MT) Top View (Top View) Notes: 3. Thin DFN ? = Pin 1 identifier. Revision 1.3 December 8, 2014 2 MIC2039 High-Accuracy, High-Side, Adjustable Current Limit Power Switch General Description Features The MIC2039 is a high-side MOSFET power distribution ? ?5% current limit accuracy switch providing increased system reliability by using 5% ? Input supply range from 2.5V to 5.5V current-limit accuracy. ? Low quiescent current: 100?A typical (switch ON) The MIC2039 has an operating input voltage range from ? 75m? typical R at 5.0V DS(ON) 2.5V to 5.5V, is internally current limited, and has thermal ? 0.2A to 2.5A adjustable output current shutdown to protect the device and system. The MIC2039 ? Kickstart - momentary secondary current-limit threshold is offered with either active-high or active-low logic level (120ms period) enable input controls. It has an open drain fault status ? Soft-start functionality output flag with a built-in 32ms delay that asserts low during overcurrent or thermal-shutdown conditions. ? Undervoltage lockout (UVLO) ? Fast 10?s short-circuit response time (non-Kickstart The MIC2039 switches feature an adjustable output options) current limit that is resistor programmable from 0.2A to 2.5A. The MIC2039 switch also offers a unique, Kickstart ? Fault status output flag feature that allows momentary high-current surges up to ? Logic-controlled enable (active-high, active-low) the secondary current limit (I ) during startup or LIMIT_2nd ? Thermal shutdown while operating in steady state. This is useful for charging ? Pin compatible with the MIC2009/MIC2019 loads with high inrush currents, such as capacitors. After an overcurrent condition is established, these switches ? 6-pin 2mm ? 2mm thin DFN and 6-pin SOT-23 enter into a constant current-limit mode unless the die packages temperature exceeds the thermal-shutdown specification. ? Junction temperature range from -40?C to +125?C The MIC2039 is available in 6-pin SOT-23 and 6-pin Applications 2mm ? 2mm thin DFN packages. The MIC2039 has an operating junction temperature range of -40?C to +125 ?C. ? USB peripherals and USB 2.0/3.0 compatible ? DTV/STB Datasheets and support documentation are available on Micrel?s web site at: www.micrel.com. ? Notebooks and consumer electronics ? General-purpose power distribution Typical Application Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com Revision 1.3 December 8, 2014 MIC2039 High-Accuracy, High-Side, Adjustable Current Limit Power Switch General Description Features The MIC2039 is a high-side MOSFET power distribution ? ?5% current limit accuracy switch providing increased system reliability by using 5% ? Input supply range from 2.5V to 5.5V current-limit accuracy. ? Low quiescent current: 100?A typical (switch ON) The MIC2039 has an operating input voltage range from ? 75m? typical R at 5.0V DS(ON) 2.5V to 5.5V, is internally current limited, and has thermal ? 0.2A to 2.5A adjustable output current shutdown to protect the device and system. The MIC2039 ? Kickstart - momentary secondary current-limit threshold is offered with either active-high or active-low logic level (120ms period) enable input controls. It has an open drain fault status ? Soft-start functionality output flag with a built-in 32ms delay that asserts low during overcurrent or thermal-shutdown conditions. ? Undervoltage lockout (UVLO) ? Fast 10?s short-circuit response time (non-Kickstart The MIC2039 switches feature an adjustable output options) current limit that is resistor programmable from 0.2A to 2.5A. The MIC2039 switch also offers a unique, Kickstart ? Fault status output flag feature that allows momentary high-current surges up to ? Logic-controlled enable (active-high, active-low) the secondary current limit (I ) during startup or LIMIT_2nd ? Thermal shutdown while operating in steady state. This is useful for charging ? Pin compatible with the MIC2009/MIC2019 loads with high inrush currents, such as capacitors. After an overcurrent condition is established, these switches ? 6-pin 2mm ? 2mm thin DFN and 6-pin SOT-23 enter into a constant current-limit mode unless the die packages temperature exceeds the thermal-shutdown specification. ? Junction temperature range from -40?C to +125?C The MIC2039 is available in 6-pin SOT-23 and 6-pin Applications 2mm ? 2mm thin DFN packages. The MIC2039 has an operating junction temperature range of -40?C to +125 ?C. ? USB peripherals and USB 2.0/3.0 compatible ? DTV/STB Datasheets and support documentation are available on Micrel?s web site at: www.micrel.com. ? Notebooks and consumer electronics ? General-purpose power distribution Typical Application Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com Revision 1.3 December 8, 2014 Micrel, Inc. MIC2039 Ordering Information Part Number Top Current Enable Kickstart Package (1) Mark Limit MIC2039AYM6 39AA Adjustable Active High No SOT-23-6L MIC2039BYM6 39BB Adjustable Active Low No SOT-23-6L (2) MIC2039AYMT 3A9 Adjustable Active High No 6-pin 2mm x 2mm Thin DFN (2) MIC2039BYMT B39 Adjustable Active Low No 6-pin 2mm x 2mm Thin DFN MIC2039EYM6 39AE Adjustable Active High Yes SOT-23-6L MIC2039FYM6 39AF Adjustable Active Low Yes SOT-23-6L (2) MIC2039EYMT D39 Adjustable Active High Yes 6-pin 2mm x 2mm Thin DFN (2) MIC2039FYMT F39 Adjustable Active Low Yes 6-pin 2mm x 2mm Thin DFN Note: 1. Under-bar symbol ( _ ) may not be to scale. 2. Thin DFN is a GREEN RoHS-compliant package. Lead finish is NiPdAu. Mold compound is Halogen Free. Pin Configuration (3) SOT-23 6-pin (M6) 2mm x 2mm 6-pin Thin DFN (MT) Top View (Top View) Notes: 3. Thin DFN ? = Pin 1 identifier. Revision 1.3 December 8, 2014 2 Micrel, Inc. MIC2039 Pin Description Pin Number 6-Pin Pin Name Pin Function SOT-23-6L 2mm x 2mm Thin DFN 1 6 VIN Input: Power switch and logic supply input. 2 5 GND Ground: Input and output return pin. Enable (Input): Logic compatible, enable control input that allows switch turn- 3 4 EN on/off. Do not leave the EN pin floating. Fault Status Flag (Output): Active-low, open-drain output. A logic low state indicates an overcurrent or thermal shutdown condition. An overcurrent 4 3 FAULT/ condition must last longer than t / to assert FAULT/. A pull-up resistor FAULT (10kO recommended) to an external supply is required. Current Limit Set: Current limit adjust setting. Connect a resistor from this pin 5 2 ILIMIT to GND to set the current limit, but do not leave the ILIMIT pin floating. 6 1 VOUT Switch Output: Power switch output. Exposed Pad: Exposed pad on bottom of package. Connect to electrical ? EP ePad ground for optimum thermal dissipation. Revision 1.3 December 8, 2014 3

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