SIC403 datasheet(9/25 Pages) VISHAY

Part #	SIC403

Description	microBUCK SiC403 6 A, 28 V Integrated Buck Regulator with Programmable LDO

PDF	25 Pages

Scroll/Zoom	100%

Manufacturer	VISHAY [Vishay Siliconix]

Direct Link	http://www.vishay.com

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9 / 25 page

Vishay Siliconix

SiC403

Document Number: 66550

S11-1638-Rev. B, 15-Aug-11

www.vishay.com

This document is subject to change without notice.

THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

ELECTRICAL CHARACTERISTICS

Start-up with VIN Ramping up

(VIN = 12 V, VOUT = 1 V, FSW = 500 kHz)

Ch4: Vin (5V/div)

Ch2: Vout (500mV/div)

Ch3: Power Good (5V/div)

Ch1: Switching Node (5V/div)

Time: 10 ms/div

Over-Current Protection

(VIN = 12 V, VOUT = 1 V, FSW = 500 kHz )

Ch4: Iout (10A/div)

Ch2: Vout (1V/div)

Ch3: Power good (5V/div)

Ch1: Switching Node (10V/div)

Time: 10 ms/div

Efficiency with 12 VIN, 5 VOUT, 300 kHz

100

01234

OUT (A)

IN = 12 V, VOUT = 5 V, FSW = 300 kHz

SIC403 Datasheet(PDF) 9 Page - Vishay Siliconix