28-SSOPH-375-SG2 查看數據表（PDF） - Fairchild Semiconductor

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28-SSOPH-375-SG2

4-CH Motor Driver (5 Input & 4 Output)

Fairchild Semiconductor 

Pin Definitions

Pin Number

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

Pin Name

REF1

IN1

IN2

OPIN+

OPIN-

OPOUT

GND

PVcc1

MUTE12

GND

DO2-

DO2+

DO1-

DO1+

DO4+

DO4-

DO3+

DO3-

GND

MUTE4

PVcc2

SVcc

IN3

IN4

REF2

IN5

MUTE3

SW45

I/O

Pin Function Description

I

Bias Voltage Input

I

CH1 Input

I

CH2 Input

I

Nomal OP-AMP Input(+)

I

Nomal OP-AMP Input(-)

O

Nomal OP-AMP Output

-

Signal Ground

-

Power Vcc (CH1,CH2)

I

Mute 1,2

-

Power GND(CH1,CH2)

O

CH2 Drive Output (-)

O

CH2 Drive Output (+)

O

CH1 Drive Output (-)

O

CH1 Drive Output (+)

O

CH4 Drive Output (+)

O

CH4 Drive Output (-)

O

CH3 Drive Output (+)

O

CH3 Drive Output (-)

-

Power GND(CH3,CH4)

I

Mute 4

-

Power Vcc (CH3,CH4)

-

Signal Vcc

I

CH3 Input

I

CH4 Input

I

REF2

I

CH5 Input

I

Mute 3

I

Select Switch For 4,5CH

FAN8045G3

3

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