BD9397EFV 查看數據表（PDF） - ROHM Semiconductor

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BD9397EFV

White LED Driver for large LCD panel

ROHM Semiconductor 

BD9397EFV

●2 Block Diagram

Datasheet

Vin

Cin

VCC VCC

STB

CVCC

FAIL_MODE

FAIL_RST

RT

SS

REG9V UVLO

VREG

UVLO

(VCC)

UVLO TSD

OVP SCP

OSC

SS

PROTECTION

Logic

PWM

COMP

++

-

-

Control

Logic

Filter

REG9V

Current

Sense

DRIVER

REG9V

OVP

FAIL

CP

N

PGND

CS

FB

RFB

CFB

LED_LV

REG9V

LSP

ERR

AMP -

--

-

-

+

OPEN/SHORT

Detect

M_DET

LED1

+

-

S1

VREF

1/5

+

-

PWM１

PWM6

AGND

AGND

LED6

+

-

S6

N.C.

+Cout

Figure 11. Block Diagram

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