KA3525A Fairchild Semiconductor, KA3525A Datasheet - Page 2

• 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

KA3525A
Absolute Maximum Ratings
Electrical Characteristics
(V
2
Parameter
Supply Voltage
Collector Supply Voltage
Output Current, Sink or Source
Reference Output Current
Oscillator Charging Current
Power Dissipation (T
Operating Temperature
Storage Temperature
Lead Temperature (Soldering, 10sec)
Parameter
REFERENCE SECTION
Reference Output Voltage
Line Regulation
Load Regulation
Short Circuit Output Current
Total Output Variation (Note1)
Temperature Stability (Note1)
Long Term Stability (Note1)
OSCILLATOR SECTION
Initial Accuracy (Note1, 2)
Frequency Change With Voltage
Maximum Frequency
Minimum Frequency
Clock Amplitude (Note1, 2)
Clock Width (Note1, 2)
Sync Threshold
Sync Input Current
CC
= 20V, T
A
= 0 to +70 C, unless otherwise specified)
A
= 25 C)
V
Symbol
TH(SYNC)
I
ACCUR
t
V
I(SYNC)
W(CLK)
f
f/ V
f
V
(MAX)
(MIN)
V
V
V
ST
(CLK)
I
ST
REF
SC
REF
REF
REF
T
CC
T
V
I
V
Line, Load and Temperature
T
T
V
R
R
T
Sync = 3.5V
REF
I
J
J
J
J
CC
REF
CC
T
T
CHG(OSC)
Symbol
= 25 C
= 125 C ,1KHR
= 25 C
= 25 C
T
= 2k , C
= 200k , C
T
T
I
V
LEAD
REF
V
P
OPR
= 8 to 35V (Note1, 2)
STG
= 8 to 35V
I
= 0 to 20mA
CC
O
= 0, T
C
D
Conditions
J
T
= 25 C
= 470pF
T
-
-
-
= 0.1uF
S
-65 ~ +150
0 ~ +70
Value
+300
1000
500
40
40
50
5
Min.
4.95
400
5.0
0.3
1.2
3
-
-
-
-
-
-
-
-
-
Typ. Max.
430
5.1
0.6
1.3
20
80
20
20
60
0.8
9
4
2
-
3
m/W
Unit
5.25
mA
mA
mA
100
120
5.2
2.8
2.5
20
50
50
50
V
V
C
C
C
1
-
-
6
2
Unit
kHz
mV
mV
mA
mV
mV
mA
Hz
%
%
V
V
V
V
s