L8402

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONIC TECHNOLOGIES CO., LTD

2 of 6

www.unisonic.com.tw

QW-R123-022.b



M ARK I N G

SSOP-16

QFN-16(3×3)



PI N CON FI GU RAT I ON

4

3

2

1

9

10

11

12

D4

GND

D2

G2

13

14

15

16

G4

5

6

7

8

G3

CSUB

Top View

UTC

L8402

8

7

6

5

4

3

2

1

14

13

12

10

11

9

15

16

D1

G1

D2

G2

Vcc

GND

CSUB

G3

G4

D4

D3

SSOP-16

QFN-16(3×3)



PI N DESCRI PT I ON

PIN NO.

SSOP-16

QFN-16(3×3)

PIN NAME

DESCRIPTION

1

15

D1

To D of FET 1

2

16

G1

To G of FET 1

3

1

D2

To D of FET 2

4

2

G2

To G of FET 2

5

3

Power supply

6

4

GND

GND

7

5

8

6

9

7

CSUB

Connect an external cap to produce -2.5V

10

8

Setting Id2/4 to 10mA

11

9

Setting Id1/3 to 10mA

12

10

G4

To G of FET 4

13

11

D4

To D of FET 4

14

12

G3

To G of FET 3

15

13

D3

To D of FET 3

16

14

Power supply (Pin 14 needs to be powered for the device to

function)