ADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR

AM4967

Data Sheet

11

Oct. 2008 Rev. 1. 2

BCD Semiconductor Manufacturing Limited

Operating Diagram (Continued)

Figure 10. Operating Diagram 2 of AM4967 (Linear Start, VPWM Voltage

<VMIN Voltage, Note 4)

Figure 11. Operating Diagram 3 of AM4967 (Linear Start, VPWM Voltage

>VMIN Voltage, Note 4)

LS Voltage

VMIN Voltage

0V

Lock Protection

Linear Start

VPWM Setting Speed

3.0V

1.0V

ON-Duty

VPWM Voltage

100%

0%

COSC

LS Voltage

VMIN Voltage

0V

Lock Protection

Linear

Start

VMIN Setting Speed

3.0V

1.0V

ON-Duty

VPWM Voltage

100%

0%

COSC