AZ494A_06 Datasheet, PDF (9/13 Pages) BCD Semiconductor Manufacturing Limited – PULSE-WIDTH-MODULATION CONTROL CIRCUITS

PULSE-WIDTH-MODULATION CONTROL CIRCUITS
Typical Performance Characteristics
Data Sheet
AZ494A/C
100k
V =20V
CC
T =25OC
A
0.001µF
10k
0.01µF
0.1µF
1k
1k
10k
100k
1M
RT - Timing Resistance (Ω)
Figure 8. Oscillator Frequency vs. RT and CT
100
90
80
70
60
50
40
30
20
10
0
1
V =20V
CC
∆V =3V
O
T =25oC
A
10
100
1k
10k
100k
1M
Frequency (Hz)
Figure 9. Error Amplifier Small-Signal Voltage Gain vs. Frequency
Apr. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
9