RT8532GQW datasheet(8/14 Pages) RICHTEK

Part #	RT8532GQW

Description	6-String 43V White LED Driver with Boost Regulator

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Manufacturer	RICHTEK [Richtek Technology Corporation]

Direct Link	http://www.richtek.com

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8 / 14 page

8

RT8532

www.richtek.com

DS8532-04

January 2014

©

Copyright

is a registered trademark of Richtek Technology Corporation.

Line Transient Response

Time (2.5ms/Div)

ILED

(20mA/Div)

VIN

(10V/Div)

VIN = 12V to 18V, fSW = 500kHz, PWM = 3.3V

Time (10ms/Div)

Power On from EN

VEN

(5V/Div)

VOUT

(20V/Div)

ILED

(20mA/Div)

VLX

(20V/Div)

VIN = 12V, fSW = 500kHz, PWM = 3.3V

OVP Threshold Voltage vs. Input Voltage

1.0

1.1

1.2

1.3

1.4

4

8

12

16

20

24

Input Voltage (V)

9 LEDs per channel, fSW = 500kHz

Quiescent Current vs. Input Voltage

1.5

1.8

2.0

2.3

2.5

3

5

8

1013

1518

2023

25

Input Voltage (V)

Not Switching

Time (10ms/Div)

Power On in PWM Mode

VEN

(5V/Div)

VIN

(10V/Div)

ILED

(20mA/Div)

VPWM

(5V/Div)

VIN = 12V, fSW = 500kHz

Time (10ms/Div)

Power On in Mixed Mode

VPWM

(5V/Div)

VIN

(20V/Div)

ILED

(20mA/Div)

VEN

(5V/Div)

VIN = 12V, fSW = 500kHz

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RT8532GQW Datasheet(PDF) 8 Page - Richtek Technology Corporation

RT8532GQW Datasheet(HTML) 8 Page - Richtek Technology Corporation

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