LB11921T(2013) 데이터 시트보기 (PDF) - ON Semiconductor

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LB11921T
(Rev.:2013)

Monolithic Digital IC Three-Phase Brushless Motor Driver

ON Semiconductor 

Pin Functions

Pin No.

1

Symbol

S/S

LB11921T

Pin Description

Start/stop control

VCC

Low: 0V to 1.0V

High: 2.0V to VCC

Goes high when left open.

Low for start.

The hysteresis is about 0.22V

Equivalent Circuit

3.5kΩ

1

2

CLK

External clock signal input

Low: 0V to 1.0V

VCC

High: 2.0V to VCC

Goes high when left open.

The hysteresis is about 0.22V.

f = 2.34kHz, maximum

3.5kΩ

2

3

F/R

Forward/reverse control

Low: 0V to 1.0V

VCC

High: 2.0V to VCC

Goes high when left open.

Low for forward.

The hysteresis is about 0.22V.

4

BR

Brake pin (short braking operation)

Low: 0V to 1.0V

VCC

High: 2.0V to VCC

Goes high when left open.

High or open for brake mode operation.

The hysteresis is about 0.22V.

3.5kΩ

3

3.5kΩ

4

Continued on next page.

No.A0604-7/18

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