AZ494 Datasheet, PDF (7/12 Pages) List of Unclassifed Manufacturers – PULSE-WIDTH-MODULATION CONTROL CIRCUITS

Advanced Analog Circuits
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
Parameter Measurement Information
V_CC = 15V
12
Test
Inputs
4
3
12KΩ ₆
5
0.01uF ¹
2
16
15
V_CC
DTC
FEEDBACK
RT
CT
1IN+
1IN-
2IN+
2IN-
8
C1
E1 ⁹
11
C2
10
E2
50KΩ
13 _OUTPUT
14
REF
CTRL
GND
7
150Ω
2W
150Ω
2W
Output 1
Output 2
Data Sheet
AZ494
Voltage
at C1
Voltage
at C2
Voltage
at CT
Test Circuit
V_CC
0V
V_CC
0V
DTC
0V
Threshold Voltage
FEEDBACK
0.7V
Duty Cycle
0%
Threshold Voltage
MAX
0%
Voltage Waveforms
Figure 4. Operational Test Circuit and Waveforms
March. 2003
7
Rev.1.0