Advanced Analog Circuits
Data Sheet
AZ3842/3/4/5
CURRENT MODE PWM CONTROLLER
Electrical Characteristics
(V
CC
=15V, R
T
=10kΩ C
T
=3.3nF, T
A
= -40
o
C to +85
o
C, unless otherwise specified.)
Parameter
REFERENCE SECTION
Reference Output Voltage
Line Regulation
Load Regulation
Short Circuit Output Current
Temperature Stability
Output Noise Voltage
Long Term Stability
OSCILLATOR SECTION
Oscillation Frequency
Frequency Change with Voltage
Oscillator Amplitude
Temperature Stability
ERROR AMPLIFIER SECTION
Input Bias Current
Input Voltage
Open Loop Voltage Gain
Power Supply Rejection Ratio
Output Sink Current
Output Source Current
High Output Voltage
Low Output Voltage
CURRENT SENSE SECTION
Gain
Maximum Input Signal
Power Supply Rejection Ratio
Input Bias Current
Delay to Output
OUTPUT SECTION
Low Output Voltage
High Output Voltage
Rise Time
V
OL
V
OH
t
R
I
SINK
= 20mA
I
SINK
= 200mA
I
SOURCE
= 20mA
I
SOURCE
= 200mA
T
J
=25
o
C, C
L
=1nF (Note 6)
13
12
GV
V
I
(MAX)
PSRR
I
BIAS
Vpin3 = 0 to 2V (Note 6)
(Note 4, 5)
Vpin1=5V(Note 4)
12V
≤
V
CC
≤
25V (Note 4, 6)
2.85
0.9
I
BIAS
V
I
A
VOL
PSRR
I
SINK
I
SOURCE
V
OH
V
OL
(Note 6)
Vpin 1=2.5V
2V
≤
V
O
≤
4V
12V
≤
V
CC
≤
25V
Vpin2=2.7V, Vpin1=1.1V
Vpin2=2.3V, Vpin1=5V
Vpin2=2.3V, R
L
=15kΩ to GND
Vpin2=2.7V, R
L
=15kΩ to Pin 8
2.42
65
60
2
-0.5
5
f
∆f/f
V
OSC
T
J
=25
o
C
12V
≤
V
CC
≤
25V
Pin 4, peak to peak (Note 6)
(Note 6)
47
(Note 6)
T
A
=85
o
C, 1000 hours
V
REF
∆V
REF
∆V
REF
I
SC
T
J
=25
o
C, I
REF
=1mA
12V
≤
V
CC
≤25V
1mA
≤
I
REF
≤20mA
T
A
=25
o
C
4.90
Symbol
Conditions
Min
Typ
Max
Unit
5.00
4
4
-100
0.2
50
5
52
0.2
1.7
2.5
-0.1
2.50
90
70
4
-0.8
6
0.8
3
1
70
-3
150
0.1
1.4
14
13
50
5.10
15
15
-180
0.4
25
57
1
V
mV
mV
mA
mV/
o
C
µV
mV
KHz
%
V
%
-2
2.58
µA
V
dB
dB
mA
mA
V
1.1
3.15
1.1
-10
300
0.4
2.2
V
V/V
V
dB
µA
ns
V
V
V
V
150
ns
March 2003
5
Rev: 1.0
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
