RT8841 데이터 시트보기 (PDF) - Richtek Technology

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RT8841

4/3/2/1-Phase PWM Controller for High-Density Power Supply

Richtek Technology 

RT8841

VOUT

(1V/Div)

VIN

(10V/Div)

SS

(2V/Div)

PHASE

(10V/Div)

Power Off from VIN

VOUT

(20mV/Div)

VIN = 12V, VOUT = 1.4V, IOUT = 0A

Time (4ms/Div)

67.5

IOUT

(A) 35

ACLL Drop

IOUT = 35 to 67.5A

Time (20us/Div)

ACLL Overshoot

Rising

Dynamic VID

VOUT

(20mV/Div)

IOUT 67.5

(A) 35

VOUT

(500mV/Div)

IOUT = 67.5 to 35A

Time (20us/Div)

VID

(1V/Div)

Time (40us/Div)

Dynamic VID

Falling

VOUT

(500mV/Div)

VID

(1V/Div)

Time (40us/Div)

Copyright ©2014 Richtek Technology Corporation. All rights reserved.

DS8841-02 August 2014

VOUT

(1V/Div)

PGOOD

(1V/Div)

SS

(2V/Div)

PHASE

(10V/Div)

Output Short then Power On

VIN = 12V, VOUT = 1.4V

Time (1ms/Div)

is a registered trademark of Richtek Technology Corporation.

www.richtek.com

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