BD9486F 데이터 시트보기 (PDF) - ROHM Semiconductor

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BD9486F

1ch Boost up type White LED Driver for large LCD

ROHM Semiconductor 

BD9486F

●3.1 Application Circuit Example

Introduce an example application using the BD9486F.

3.1.1 Basic Application Example

VCC

VIN

Datasheet

Vout

VCC

REG50

STB

RT

SS

CP

PWM

ADIM

UVLO OVP

GATE

CS

DIMOUT

ISENSE

FB

Rs

GND

Figure 17. Basic application example

・3.1.2 Analog Dimming or PWM Dimming Examples

VCC

VIN

Vout

VCC

VIN

Vout

REG50

VCC

REG50

STB

RT

SS

CP

PWM

ADIM

UVLO OVP

GATE

CS

DIMOUT OPEN

ISENSE

REG50

VCC

REG50

STB

RT

SS

CP

PWM

ADIM

UVLO OVP

GATE

CS

DIMOUT

ISENSE

FB

Rs

FB

Rs

GND

GND

Figure 18. Example circuit for analog dimming

Figure 19. Example circuit for PWM dimming

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TSZ22111・15・001

13/34

TSZ02201-0F1F0C100240-1-2

13.Feb.2014 Rev.004

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