KA7500B Fairchild Semiconductor, KA7500B Datasheet - Page 3

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KA7500B

Manufacturer Part Number
KA7500B
Description
IC CTLR SMPS 42V 250MA 16-DIP
Manufacturer
Fairchild Semiconductor
Datasheet

Specifications of KA7500B

Pwm Type
Controller
Number Of Outputs
1
Frequency - Max
300kHz
Duty Cycle
45%
Voltage - Supply
7 V ~ 42 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
300kHz
Output Current
0.25 A
Input Voltage
42.3 V
Mounting Style
Through Hole
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Electrical Characteristics
(V
Note:
1. This parameter, although guaranteed, is not 100% tested in production.
Parameter
REFERENCE SECTION
Reference Output Voltage
Line Regulation
Temperature Coefficient of V
Load Regulation
Short-Circuit Output Current
OSCILLATOR SECTION
Oscillation Frequency
Frequency Change with Temperature
DEAD TIME CONTROL SECTION
Input Bias Current
Maximum Duty Cycle
Input Threshold Voltage
ERROR AMP SECTION
Input Offset Voltage
Input Offset Current
Input Bias Current
Common Mode Input Voltage
Open-Loop Voltage Gain
Unit-Gain Bandwidth (Note1)
PWM COMPARATOR SECTION
Input Threshold Voltage
Input Sink Current
OUTPUT SECTION
Output Saturation Voltage
Common Emitter
Common Collector
Collector Off-State Current
Emitter Off-State Current
TOTAL DEVICE
Supply Current
OUTPUT SWITCHING CHARACTERISTICS
Rise Time
Common Emitter
Common Collector
Fall Time
Common Emitter
Common Collector
CC
= 20V, f = 10kHz, T
A
= 0 C to +70 C, unless otherwise specified)
REF
V
V
Symbol
V
D
I
I
CC(SAT)
CE(SAT)
C(OFF)
E(OFF)
V
I
I
I
V
V
G
V
REF
V
V
BIAS
(MAX)
BIAS
SINK
I
V
BW
I
REF
f/ T
I
SC
CC
t
t
ITH
CM
ITH
IO
REF
REF
VO
IO
R
-
-
-
-
f
F
/ T
I
V
T
I
V
C
C
V
V
O.C Pin = V
Zero Duty Cycle
Max. Duty Cycle
V
V
V
7V
0.5V
Zero Duty Cycle
V
V
V
V
V
Pin 6 = V
REF
REF
A
CC
REF
CC
CC
3
3
3
3
E
C
CC
CC
T
T
=0.7V
= 0 C to 70 C
= 2.5V
= 2.5V
= 2.5V
= 0.01 F, R
= 0.01 F, R
= 0, I
= 15V, I
= 7V to 40V
= 15V, 0V V
= 15V, V
= 40V, V
= V
= 1mA
= 1mA to 10mA
V
= 0V
CC
V
C
C
3
Conditions
REF
= 200mA
= 40V, V
E
3 .5V
REF
40V
, V
= -200mA
4
CE
T
T
-
-
-
-
-
-
-
= 0V
CC
= 12k
= 12k
= 40V
4
E
= 15V
5.25V
= 0
Min.
4.75
-0.3
-0.3
10
45
70
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Typ.
0.01
-2.0
-0.7
650
100
100
5.0
2.0
1.0
3.0
2.0
0.2
1.1
1.5
35
10
25
95
25
40
4
2
6
-
-
-
-
-
-
-
Max.
-100
5.25
0.03
V
250
100
200
200
100
100
-10
3.3
1.0
4.5
1.3
2.5
25
15
50
10
10
CC
2
-
-
-
-
-
-
-
-
KA7500B
%/ C
Unit
kHz
kHz
mV
mV
mA
mV
mA
mV
mA
dB
ns
ns
%
%
V
V
V
V
V
-
-
A
A
A
3

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