LB1862 查看數據表（PDF） - ON Semiconductor

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LB1862

For Fan Motor Single-Phase Full-Wave Driver

ON Semiconductor 

Application Circuit Example

LB1862

C2

H

C1=0.47 to 1μF

1 IN−

2 IN+

9 HB

8 ST

7

VCC

RD 10

OUT1 4

LB1862

OUT2 6

3 CT

GND

5

(1) D1 is used to prevent IC destruction caused by reverse-connection. It can be omitted if no problems are expected.

(2) C2 would not be required for the internal fan PCB but required for the power supply line in order to reduce the power

line impedance and pass the regenerative current because a motor is basically an inductive load and it has a possibility

of large current when the power is first applied or in other cases.

(3) When CT is not used, it should be connected to ground.

(4) When RD, ST, and HB are not used, they should be left open or connected to ground.

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PS No.6208-6/6

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