BD9483F Ver la hoja de datos (PDF) - ROHM Semiconductor

Número de pieza

componentes Descripción

Lista de partido

BD9483F

White LED Driver for large LCD Panels (DCDC Converter type)

ROHM Semiconductor 

BD9483F,FV

●2 Block Diagram

VCC

VIN

REG90

STB

RT

Css SS

Ccp CP

FAILB

PWM1

PWM2

ADIM

VCC

VREG

UVLO

VCC

UVLO

TSD

UVLO

OVP

OVP

REG90

UVLO

OSC

SS

SS-FB

clamper

Fail

detect

PWM

COMP

CONTROL

LOGIC

Current

compensation

REG90

GATE1

CS1

LEB

PGND1

REG90

DIMOUT1

MAXFB

LEDOCP

ERROR

amp

1.0V

ISENSE1

FB1

Each channel

GATE2

CS2

1/3

PGND2

DIMOUT2

ISENSE2

FB2

VOUT1

Datasheet

VOUT2

Figure 12. Block Diagram

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TSZ02201-0F1F0C100100-1-2

28.Nov.2013 Rev.003

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