SCY99080CDWR2G 데이터 시트보기 (PDF) - ON Semiconductor

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SCY99080CDWR2G

High Performance Switch-Mode Power Supply Controller for Backlight and LLC Converters

ON Semiconductor 

VBULK

BO

20 ms BO_ OK

Filter

VBO

SW1

IBO

VDD

Switch SW

open for

VinBO > VBO

CIG_I

CIG

SW2

CIG_E

PFC_OK

DDA002C

50 ms one shoot

PFC_OK

Level

Shifter

Start

100 ms

PFC TIMER

Pulse

Trigger

TSD

SQ

RQ

UV

Detect

VCCon

Boot

Hgd

HB

Dgs

Vref_Dgs

SS

SW3

SS_E

CIG_END

R_Fmin

Vref_Fmin

R_Fmax

FB

Vref_Fmax

Vdd

Rfb

OTP_latch

NTC

FB _Fault

Vdd

OTPref_I

OTPref_V

SS_OK

I_Dgs

CIG_END

I_Fmin

OSC_EN

Voltage controlled B

oscillator

I_Fmax

A

ON_TIME

FB

CLAMP

I_DT

50 ms

FB FAULT TIMER

Start

FAULT

TMR _EN

Vref_DT

DT

Vcc

Vcc

DELAY

Lgd

Gnd

Vcc

Hgs

Vcc

Lgs

EN1

VEN1

50 ms

Noise

Filter

SQ

RQ

Figure 2. Internal Architecture

http://onsemi.com

4

20 ns

RC

Filter

VEN2

EN2

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