Product Information

MP46885DN-LF

MP46885DN-LF electronic component of Monolithic Power Systems

Datasheet
Monolithic Power Systems (MPS) LED Lighting Drivers .5A 80V in Buck WLED Driver

Manufacturer: Monolithic Power Systems
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
N/A

Obsolete
Availability Price Quantity
0 - WHS 1

MOQ : 1
Multiples : 1

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MP46885DN-LF
Monolithic Power Systems

1 : USD 3.1272
10 : USD 2.3625
100 : USD 1.9384
500 : USD 1.6864
1000 : USD 1.4306
2500 : USD 1.384
5000 : USD 1.384
10000 : USD 1.3259
25000 : USD 1.3027
N/A

Obsolete
     
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Series
Mounting Style
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Output Current
Topology
Operating Frequency
Maximum Operating Temperature
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Input Voltage
Output Type
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Supply Current - Max
Factory Pack Quantity :
Cnhts
For Use With
Hts Code
Mxhts
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MP46885 80V Input, 500mA High Power LED Driver The Future of Analog IC Technology DESCRIPTION FEATURES The MP46885 is a high voltage input step-down Wide 4.5V to 80V Operating Input Range switching regulator to deliver a constant current of No Output Capacitor Required up to 0.5A to high power LEDs. It integrates a 5% LED Current Accuracy high-side high voltage power MOSFET with a Hysteretic Control: No Compensation current limit of 1.0A (typical value). The wide 4.5V Up to 2MHz Switching Frequency to 80V input range accommodates a variety of Up to 20kHz Dimming Frequency step-down applications, making it ideal for Dedicated PWM Dimming Control Input automotive, industry and general lighting Short circuit protection with integrated high applications. Hysteresis current mode control is side MOSFET applied for very fast response, which makes the Optional Output Voltage Limitation 20kHz dimming frequency possible. MPSs Thermal shut down proprietary feedback control scheme minimizes 200mV reference voltage for high efficiency the number of external components while Up to 95% Efficiency delivering a LED current with typical 5% 170 A Quiescent Current accuracy. Available in SOIC8 with Exposed Pad The switching frequency is up to 2MHz, thus Packages allowing for small component size. The thermal shut down, short circuit protection, and optional APPLICATIONS output voltage limitation provide reliable, fault High Power LED Driver tolerant operations. A 170A quiescent current Automotive, Industry and General Lighting allows its use in battery-powered applications. Constant Current Source The MP46885 is available in SOIC8 with exposed MPS and The Future of Analog IC Technology are Registered Trademarks of pad packages. Monolithic Power Systems, Inc. TYPICAL APPLICATION V IN DIM VIN PWM 4.5V to 80V C IN BST C BST EN Enable SW V OUT L O D1 FB GND R FB I LED MP46885 Rev. 1.0 www.MonolithicPower.com 1 7/7/2011 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. 2011 MPS. All Rights Reserved. MP46885 80V INPUT, 500mA HIGH POWER LED DRIVER ORDERING INFORMATION Part Number* Package Top Marking Free Air Temperature (T ) A MP46885DN SOIC8E MP46885 -40 C to +85 C * For Tape & Reel, add suffix Z (e.g. MP46885DNZ) For RoHS compliant packaging, add suffix LF (e.g. MP46885DNLFZ) PACKAGE REFERENCE (4) (1) ABSOLUTE MAXIMUM RATINGS Thermal Resistance JA JC Supply Voltage (V ) ...................... -0.3V to +80V IN SOIC8E (Exposed Pad) .......... 50 ...... 10 ... C/W Switch Voltage (V ) ............. -0.5V to V + 0.5V SW IN Notes: BST to SW ...................................... -0.3V to +6V 1) Exceeding these ratings may damage the device. All Other Pins .................................. -0.3V to +6V 2) The maximum allowable power dissipation is a function of the maximum junction temperature T(MAX), the junction-to- J Junction Temperature ............................... 150 C ambient thermal resistance , and the ambient temperature (2) JA Continuous Power Dissipation (T = +25C) A T . The maximum allowable continuous power dissipation at A ............................................................. 2.5W any ambient temperature is calculated by P (MAX)=(T (MAX)- D J T )/ . Exceeding the maximum allowable power dissipation A JA Lead Temperature .................................... 260 C will cause excessive die temperature, and the regulator will go Storage Temperature ............... -65C to +150 C into thermal shutdown. Internal thermal shutdown circuitry (3) protects the device from permanent damage. Recommended Operating Conditions 3) The device is not guaranteed to function outside of its Supply Voltage V ........................... 4.5V to 75V operating conditions. IN 4) Measured on JESD51-7 4-layer board. EN and DIM Voltages ........................... 0V to 5V Switching Frequency ................................ 2MHz Operating Junct. Temp.......... -40C to +125 C MP46885 Rev. 1.0 www.MonolithicPower.com 2 7/7/2011 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. 2011 MPS. All Rights Reserved.

Tariff Desc

8542.39.23 No ..Linear/analogue and peripheral integrated circuits, timers, voltage regulators, A/D and D/A converters, telecommunication and modem integrated circuits, other than board level products Free

Electronic integrated circuits- Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
MON
MONOLITHIC POWER SYSTEMS
Monolithic Power Systems (MPS)
Monolithic Power Systems Inc.
MPS

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