AZ494CM(2009) 查看數據表（PDF） - BCD Semiconductor
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AZ494CM Datasheet PDF : 13 Pages
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PULSE-WIDTH-MODULATION CONTROL CIRCUITS
Parametr Measurement information
VCC = 20V
Test
Inputs
4
3
12KΩ 6
5
0.01uF 1
2
16
15
13
50KΩ
DTC
12
VCC
FEEDBACK
RT
CT
8
C1
E1 9
11
C2
10
E2
1IN+
1IN-
2IN+
2IN-
OUTPUT
14
REF
CTRL
GND
7
150Ω
4W
150Ω
4W
Output 1
Output 2
Data Sheet
AZ494A/C
Test Circuit
Voltage
VCC
at C1
0V
Voltage
VCC
at C2
0V
Voltage
at CT
DTC
Threshold Voltage
0V
FEEDBACK
0.7V
Duty Cycle
Threshold Voltage
0%
0%
MAX
Voltage Waveforms
Figure 4. Operational Test Circuit and Waveforms
Sep. 2009 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
7
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