RT9271 데이터 시트보기 (PDF) - Richtek Technology

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RT9271

White LED Step-Up Converter in Tiny Package

Richtek Technology 

RT9271

Stability for Driving 3 WLEDs

VIN = 3.6V

VOUT

(AC)

VLX

IIN

(100mA/Div)

Time (500ns/Div)

Inrush Current for Driving 1 WLED

f = 200Hz

VEN = 2V

VIN = 3V

IIN

VOUT

IIN(MAX) = 730mA

VIN = 6.0V

VOUT

(AC)

Stability for Driving 3 WLEDs

VLX

IIN

(100mA/Div)

Time (500ns/Div)

Inrush Current for Driving 2 WLEDs

f = 200Hz

VEN = 2V

VIN = 3.6V

IIN

VOUT

IIN(MAX) = 730mA

Time (20us/Div)

Inrush Current for Driving 3 WLEDs

f = 200Hz

VEN = 2V

VIN = 3.6V

IIN

VOUT

IIN(MAX) = 730mA

Time (20us/Div)

Inrush Current for Driving

3 WLEDs with soft-start

f = 200Hz

VEN = 2V

VIN = 3.6V

IIN

VOUT

IIN(MAX) = 730mA

Time (20us/Div)

Time (20us/Div)

www.richtek.com

8

DS9271-13 March 2007

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