KA3525A Fairchild Semiconductor, KA3525A Datasheet - Page 3

• Manufacturer Part Number: KA3525A
• Description: IC CONTROLLER PWM SMPS 16-DIP
• Manufacturer: Fairchild Semiconductor

Specifications of KA3525A

• Pwm Type: Voltage Mode
• Number Of Outputs: 2
• Frequency - Max: 430kHz
• Duty Cycle: 49%
• Voltage - Supply: 8 V ~ 35 V
• Buck: No
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 16-DIP (0.300", 7.62mm)
• Frequency-max: 430kHz
• Output Voltage: 5 V
• Output Current: 500 mA
• Supply Current: 20 mA
• Mounting Style: Through Hole
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Primary Input Voltage: 35V
• No. Of Outputs: 2
• No. Of Pins: 16
• Operating Temperature Range: 0°C To +70°C
• Termination Type: Through Hole
• Startup Current: 8000µA
• Rohs Compliant: Yes
• Filter Terminals: Through Hole
• Controller Type: SMPS
• Controller Type, Ic: Switching Regulator
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical Characteristics
(V
Note :
1. These parameters. although guaranteed over the recommended operating conditions, are not 100% tested in production
2. Tested at f
Parameter
ERROR AMPLIFIER SECTION (V
Input Offset Voltage
Input Bias Current
Input Offset Current
Open Loop Voltage Gain
Common Mode Rejection Ratio
Power Supply Rejection Ratio
PWM COMPARATOR SECTION
Minimum Duty Cycle
Maximum Duty Cycle
Input Threshold Voltage (Note2)
Input Threshold Voltage (Note2)
SOFT-START SECTION
Soft Start Current
Soft Start Low Level Voltage
Shutdown Threshold Voltage
Shutdown Input Current
OUTPUT SECTION
Low Output Voltage I
Low Output Voltage II
High Output Voltage I
High Output Voltage II
Under Voltage Lockout
Collector Leakage Current
Rise Time (Note1)
Fall Time (Note1)
STANDBY CURRENT
Supply Current
CC
= 20V, T
OSC
A
=40kHz (R
= 0 to +70 C, unless otherwise specified)
T
=3.6K, C
T
CM
=0.01uF, R
(Continued)
= 5.1V)
V
Symbol
D
CMRR
D
PSRR
I
V
I
V
V
I
V
V
TH(SD)
V
N(SD)
G
SOFT
I
V
BIAS
(MAX)
V
V
I
(MIN)
LKG
CH II
I
OL II
CH I
TH1
TH2
OL I
CC
t
I
t
IO
VO
UV
SL
R
IO
F
= 0 )
V
V
R
Zero Duty Cycle
Max Duty Cycle
V
V
V
I
I
I
I
V
V
C
C
V
SINK
SINK
SOURCE
SOURCE
CM
CC
SD
SD
SD
8
CC
CC
L
L
L
and V
= 1uF, T
= 1uF, T
= 8 to 3.5V
= 0V, V
= 25V
= 2.5V
= 35V
= 35V
10M
= 1.5 to 5.2V
= 20mA
= 100mA
Conditions
9
= 20mA
= 100mA
= High
J
J
SS
= 25 C
= 25 C
-
-
-
-
-
-
= 0V
Min.
0.7
0.9
60
60
50
45
25
18
17
6
-
-
-
-
-
-
-
-
-
-
-
-
-
Typ. Max. Unit
0.05
1.5
0.1
0.9
3.2
0.3
1.3
0.3
0.1
80
90
60
49
51
19
18
80
80
70
12
1
7
-
200
600
300
3.6
0.7
1.7
0.4
10
10
80
20
1
0
1
2
8
-
-
-
-
-
-
-
KA3525A
mV
mA
mA
dB
dB
dB
ns
ns
%
%
V
V
V
V
V
V
V
V
V
A
A
A
A
3