Data sheet, Typical application – Diodes AM9800 User Manual

Page 7

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Data Sheet

Three Phase Direct PWM Sensorless Motor Driver AM9800

Sep. 2012 Rev. 1. 0 BCD Semiconductor Manufacturing Limited

7

Typical Application

1 F

1000pF

2200pF

PWM

PWM Control Signal

f=20k to 50kHz

0.1

0.1 F

0.5

VO

UO

VCC

COM

COMIN

FIL

OSC

SGND

WO

RF

CPC

CP

VG

PWM

FG

F/R

R

F

F

R

FG

10k

V

FG

FG Output

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

Figure 8. Typical Application of AM9800