LB1976 View Datasheet(PDF) - ON Semiconductor

Part Name

Description

MFG CO.

LB1976

3-phase Brushless Motor Driver

ON Semiconductor 

Continued from preceding page.

Pin No. Pin name

27

VCTL

Pin voltage

0.0V to 6.7V

LB1976

Function

Output duty cycle control pin.

• VCTL ≤ VCTL1

Duty cycle 0%

• VCTL1 < VCTL < VCTL2

Duty cycle is controlled by VCTL

• VCTL ≥ VCTL2

Duty cycle 100%

Equivalent circuit

31kΩ

VCC

2.35V

40kΩ

27

24

VCREF

28

VCOUT

0.0V to

VCC − 2.0V

VCTL amplifier internal reference voltage pin

(2.35V).

VCC

100μA

0.7V to

VCC − 0.7V

VCTL amplifier output pin.

200Ω

24

23.5kΩ

VCC

28

31kΩ

200Ω

No.6088-7/10

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