Data Sheet
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
Electrical Characteristics
T
A
= 25
o
C, V
CC
=20V, f=10KHz unless otherwise noted.
Parameter
Reference Section
Output Reference Voltage
for AZ7500B
Output Reference Voltage
for AZ7500C
Line Regulation
Load Regulation
Short-Circuit Output Current
Oscillator Section
C
T
=0.001µF, R
T
=30KΩ,
Oscillator Frequency
f
OSC
C
T
=0.01µF, R
T
=12KΩ
C
T
=0.01µF, R
T
=12KΩ, T
A
= -40
to 85
o
C
Frequency Change with Temperature
∆f
/∆T
C
T
=0.01µF, R
T
=12KΩ, T
A
= -40
to 85
o
C
Dead-Time Control Section
Input Bias Current
Maximum Duty Cycle,
Input Threshold Voltage
Error-Amplifier Section
Input Offset Voltage
Input Offset Current
Input Bias Current
Common-Mode Input Voltage Range
Open-Loop Voltage Gain
Unity-Gain Bandwidth
Common-Mode Rejection Ratio
Output Sink Current (Feedback)
Output Source Current (Feedback)
V
IO
I
IO
I
BIAS
V
CM
G
VO
BW
CMRR
I
SINK
V
ID
= -15mV to -5V,
V3 = 0.7V
65
-0.3
2
V3 = 2.5V
V3 = 2.5V
V3 = 2.5V
V
CC
=7V to 36V
V
O
=0.5V to 3.5V
-0.3
70
95
650
80
-0.7
2
25
0.2
10
250
1
V
CC
-2
mV
nA
µA
V
dB
KHz
dB
mA
mA
I
BIAS
D(MAX)
V
ITH
V
CC
=15V, V4= 0 to 5.25V
V
CC
=15V, V4= 0V,
Pin 13= V
REF
Zero Duty Cycle
Maximum Duty Cycle
0
45
3
3.3
-2
-10
µA
%
V
1
%
9.2
9.0
40
10
10.8
12
KHz
V
REF
I
REF
=1mA
I
REF
=1mA, T
A
= -40 to 85
o
C
V
REF
I
REF
=1mA
I
REF
=1mA, T
A
= -40 to 85
o
C
R
LINE
R
LOAD
I
SC
V
CC
= 7V to 36V
I
REF
=1mA to 10mA
V
REF
= 0V
10
4.90
4.85
4.95
4.9
4.95
4.95
5.0
5.0
2
1
35
5.0
5.05
5.05
5.1
25
15
50
V
V
V
V
mV
mV
mA
Symbol
Conditions
Min
Typ
Max
Unit
AZ7500B/C
I
SOURCE
V
ID
=15mV to 5V
V3 = 3.5V
Apr. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
5
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
