AZ494B_05 Datasheet, PDF (9/12 Pages) BCD Semiconductor Manufacturing Limited – PULSE-WIDTH-MODULATION CONTROL CIRCUITS

PULSE-WIDTH-MODULATION CONTROL CIRCUITS
Typical Performance Characteristics
Data Sheet
AZ494B/D
100k
0.001µF
V =15V
CC
T =25oC
A
10k
0.01µF
1k
0.1µF
100
C =1µF
T
10
1k
10k
100k
1M
Timing Resistance (Ω)
Figure 8. Oscillator Frequency vs. R_T and C_T
100
90
80
70
60
50
40
30
20
10
0
1
V =15V
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
Jun. 2005 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
9