2/21

（The back metal pad should be soldered to enhance mounting strength and heat release. If the pad needs to be connected to

other circuit, care should be taken for the pad voltage level.）

NC

P

VSS1

NC

NC

MR

CD

QFN-20

(BOTTOM VIEW)

1

2

3

4

5

P

VSS2

15

14

13

12

11

V

out2

A

VSS

V

out1

※1

QFN-20

PIN

NUMBER

PIN NAME

FUNCTION

PIN

NUMBER

PIN NAME

FUNCTION

1

NC

No Connection

11

Output Voltage Sense 2

2

Power Ground 1

12

Cd

Delay Capacitor Connection

3

NC

No Connection

13

Analog Ground

4

Power Ground 2

14

MR

Manual Reset

5

NC

No Connection

15

Output Voltage Sense1

6

Power Supply 2

16

EN2

CH2 ON/OFF Control

7

NC

No Connection

17

EN1

CH1 ON/OFF Control

8

LX2

Switching Output 2

18

LX1

Switching Output 1

9

NC

No Connection

19

NC

No Connection

10

Voltage Detector output

20

Power Supply 1

■PIN CONFIGURATION

■ PIN ASSIGNMENT