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LV1482SN Datasheet

Part Number LV1482SN
Manufacturers ZillTek
Logo ZillTek
Description Synchronous Step-Down DC/DC Converter
Datasheet LV1482SN DatasheetLV1482SN Datasheet (PDF)

LV1482SN 2A, 20V, 550KHz, Synchronous Step-Down DC/DC Converter FEATURES ● 4.75V to 20V input voltage ● Output adjustable from 0.923V to 18V ● Output current up to 2A ● Integrated 0.085Ω power MOSFET switches ● Shutdown current 1μA typical ● Efficiency up to 93% ● 550KHz fixed frequency ● Programmable soft start ● Over current protection ● Over temperature protection ● RoHS Compliant and 100% Lead (Pb) Free APPLICATIONS ● Distributed power systems ● Networking systems ● FPGA, DSP, ASIC power s.

  LV1482SN   LV1482SN






Synchronous Step-Down DC/DC Converter

LV1482SN 2A, 20V, 550KHz, Synchronous Step-Down DC/DC Converter FEATURES ● 4.75V to 20V input voltage ● Output adjustable from 0.923V to 18V ● Output current up to 2A ● Integrated 0.085Ω power MOSFET switches ● Shutdown current 1μA typical ● Efficiency up to 93% ● 550KHz fixed frequency ● Programmable soft start ● Over current protection ● Over temperature protection ● RoHS Compliant and 100% Lead (Pb) Free APPLICATIONS ● Distributed power systems ● Networking systems ● FPGA, DSP, ASIC power supplies ● Notebook computers ● Green electronics or appliance ORDERING INFORMATION PART PACKAGE RoHS LV1482SN SOP-8L (EP) Yes Ship, Quantity Tape and Reel DESCRIPTION The LV1482SN is a 550KHz fixed frequency PWM synchronous step-down regulator. The LV1482SN is operated from 4.75V to 20V, the generated output is adjustable from 0.923V to 18V, and the output current can be up to 2A. The integrated two MOSFET switches is with turn on resistance of 0.085Ω. Current mode control provides fast transient response and cycle-by-cycle over current protection. The shutdown current is 1μA typical. Adjustable soft start prevents inrush current at turn on. The LV1482SN is with thermal shutdown. The LV1482SN is RoHS compliant and 100% lead (Pb) free. Pins Configuration Top View (with EP) BS 1 8 SS IN 2 SW 3 GND 4 Exposed Pad connect to GND 7 EN 6 COMP 5 FB Typical Application Circuit Note: R5 and C7 are optional. Details please see the DVT report. DS-21; Apr. 09, 2012 Copyright © ZillTe.


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