LM3485MM

PFET switching regulator controller, 8-MSOP, 1MHz, 4.5 V ~ 35 V

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Price:: US $0.29~0.34 / piece [Get Latest Price]

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	US $0.29~0.34

PartNumber:: LM3485MM

Brand:: National Semiconductor - NS | Pack: DIP | D/C: 11+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2012-01-13

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Part Number:LM3485MM
US $0.29 - 0.34
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Product Summary

The LM3485MM is one member of the LM3485 series which is a high efficiency PFET switching regulator controller that a system designer can use to quickly and easily develop a small, low cost,switching buck regulator for a wide range of applications.And the PFET architecture also allows for low component count as well as ultra-low dropout operation. The applications of the device include n Set-Top Box, DSL/Cable Modem, PC/IA, Auto PC, TFT Monitor, Battery Powered Portable Applications, Distributed Power Systems and Always On Power.

Parametrics

LM3485MM absolute maximum ratings: (1)storage temperature:-65℃ to 150℃;(2)lead temperature(vapor phase(60 sec.)):215℃;(3)lead temperature(Infared (15 sec.)):220℃;(4)ESD susceptibilty(human body model):2kV;(5)power dissipation:417mW;(6)maximum junction temp.:150℃;(7)ADJ voltage:-0.3V to 36V;(8)ISENSE voltage:-1.0V to 36V;(9)FB voltage:-0.3V to 5V;(10)PGATE voltage:-0.3V to 36V;(11)VIN voltage:-0.3V to 36V.

Features

LM3485MM features: (1)no control loop compensation required;(2)easy to use control methodology;(3)MSOP-8;(4)current limit protection;(5)maximum operating frequency >1MHz;(6)100% duty cycle;(7)±1.3% (±2% over temp) internal reference;(8)high efficiency 93%;(9)1.242V to Vin adjustable output range;(10)4.5V to 35V wide input range.Also it can be used in set-top box,DSL/cable modem,PC/IA,auto PC,TFT monitor,battery powered portable applications and distributed power systems,always on power.