5523F 데이터 시트보기 (PDF) - Sanken Electric co.,ltd.

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5523F

Single-Stage Power Factor Corrected Off-Line Switching Regulator IC

Sanken Electric co.,ltd. 

LC5523F

Single-Stage Power Factor Corrected

Off-Line Switching Regulator IC

OVP ⑦

OCP ⑤

NC 3

Functional Block Diagram

VCC

④

Control Part

STARTUP

TSD UVLO

Reg

Drv

Bias

OVP

S

RQ

Botto m

Detection

OCP LEB

Reg

OSC

OLP

Feedback

Control

① D/ST

② S/GND

⑥ FB

Pin-out Diagrams

D/ST

1

S/GND

NC

VCC

OCP

FB

OVP

2

3

4

5

6

7

D/ST

1

S/GND

NC

VCC

OCP

FB

OVP

2

3

4

5

6

7

LC5523F Pin List Table

(LF 3051)

Number

1

Name

D/ST

Function

MOSFET drain pin and input of the startup current

2

S/GND MOSFET source and GND pin for the Control Part

3

NC No connection

4

VCC Supply voltage input and Overvoltage protection (OVP) signal input

5

OCP

Overcurrent Protection, quasi-resonant signal input pin, and

Overvoltage Protection (OVP) signal input

6

FB

Feedback signal input and Overload Protection (OLP) signal input

7

(LF 3052)

OVP Overvoltage Protection (OVP) signal input

1

D/ST

2

S/GND

3

NC (LF 3054)

4

VCC

5

OCP

6

FB

7

OVP

LC5523F-DS

SANKEN ELECTRIC CO., LTD.

6

November 26, 2012

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