AZ7500F Datasheet, PDF (7/13 Pages) BCD Semiconductor Manufacturing Limited – PULSE-WIDTH-MODULATION CONTROL CIRCUITS

Preliminary Datasheet
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
Parameter Measurement information
V_CC = 20V
Test
Inputs
4
3
12KΩ ₆
5
0.01uF ¹
2
16
15
13
50KΩ
DTC
12
V_CC
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
AZ7500F
Test Circuit
Voltage
V_CC
at C1
0V
Voltage
V_CC
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
Oct. 2009 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
7