FAN7548 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FAN7548

Dual LCD Back Light Inverter Drive IC

Fairchild Semiconductor 

Pin Assignments

FAN7548

20 19

18 17

16 15

14 13

12 11

FAN 7 5 4 8

1

2

3

4

5

6

7

8

9 10

Pin Definitions

No Name

Function Description

No

1

BDIM Burst Dimming Input

11

2

BCT

Timing Capacitor for Burst Dimming 12

3

OLP1 Open Lamp Protection 1

13

4

VFB1 Error Amp Input 1

14

5 COMP1 Error Amp Output 1

15

6

OLR1 Open Lamp Regulation 1

16

7

OSC1 Main Oscillator 1

17

8

ENA

ON/OFF Control Input

18

9

VCC Power Supply

19

10

OUT1 Gate Drive Output 1

20

Name

OUT2

GND

CSS

OSC2

OLR2

COMP2

VFB2

OLP2

ADIM

V3

Function Description

Gate Dirve Output 2

Ground

Capacitor for Soft Start

Main Oscillator 2

Open Lamp Regulation 2

Error Amp Output 2

Error Amp Input 2

Open Lamp Protection 2

Analog Dimming Input

3V Reference Voltage

3

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