MP3378

– 4-CHANNEL WLED CONTROLLER PLUS BUCK CONVERTER

MP3378 Rev. 1.01

www.MonolithicPower.com

2

5/26/2017

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TYPICAL APPLICATION

VCC1

COMP

EN

OSC

ADIM

ISET

MP3378

25

26

27

2

4

3

C1

L1

VIN

C2

C3

R11

R10

VIN1

24

PWM

28

R3

GATE

ISENSE

GND1

OVP

LED1

LED2

LED3

LED4

D1

22

1

9

8

7

6

5

R4

C4

R2

VIN2

SYNC

VCC2

AAM

FB

AGND

BST

SW

VIN

C6

0.1 µF

5 V

R6

47 Ω

C7

0.1

µF

R8

40.2 k

R9

7.5 k

51 k

R7

L2 10 µH

R5

75 k

23

14

12

13

15

16

20

21

19

C4

22 µF

M1

R1

C5

66 µF

GND2

17, 18

GATE