AN8022L 查看數據表（PDF） - Panasonic Corporation

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AN8022L

AC-DC switching power supply control IC

Panasonic Corporation 

AN8022L, AN8022SB

s Block Diagram

Voltage Regulators

TIM/OVP 8

(5)

CT 3

(13)

RT 2

(12)

OVP

Start/Stop

VREF

OSC OCL

4.1 V

FB

PWM

Reset CLM

7 VCC

6

(3)PVCC

VOUT

Drive 5

(2)

GND

(1)PGND

(16)SGND

4 CLM(−)

(15)

Note) The number in ( ) shows the pin number for the AN8022SB.

s Pin Descriptions

• AN8022L

Pin No. Symbol

Description

1

SS

Soft start pin

2

RT

Resistor connection pin that determines charge and discharge current of triangular wave

3

CT

Triangular wave generating capacitor connection pin

4

CLM(−) Pulse-by-pulse overcurrent protection input pin

5

GND Grounding pin

6

VOUT Power MOSFET direct drive pin

7

VCC

Power supply voltage pin

8 TIM/OVP Pin for overvoltage protection and timer latch (joint use)

9

IFB Current feedback signal input pin from power-supply-output photocoupler

• AN8022SB

Pin No. Symbol

Description

1 PGND Grounding pin

2

VOUT Power MOSFET direct drive pin

3

PVCC Power supply voltage pin

4

SVCC Power supply voltage pin

5 TIM/OVP Pin for overvoltage protection and

timer latch combined use

6

IFB Power supply output photocoupler

current feedback signal input pin

7

N.C. N.C.

8

N.C. N.C.

9

N.C. N.C.

Pin No. Symbol

Description

10 N.C. N.C.

11

SS Soft start pin

12

RT Charge and discharge current of

triangular wave determining resistance

connection pin

13

CT Triangular wave generating capacitance

connection pin

14 N.C. N.C.

15 CLM(−) Pulse-by-pulse overcurrent protection

input pin

16 SGND Grounding pin

2

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