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ET-KA7500 Datasheet(PDF) 2 Page - Estek Electronics Co. Ltd

Part # ET-KA7500
Description  SWITCHMODE Pulse Width Modulation Control Circuit
PDF  4 Pages
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Manufacturer  ESTEK [Estek Electronics Co. Ltd]
Direct Link  http://www.estek.com.cn/en/index.asp
Logo ESTEK - Estek Electronics Co. Ltd

ET-KA7500 Datasheet(HTML) 2 Page - Estek Electronics Co. Ltd

  ET-KA7500 Datasheet HTML 1Page - Estek Electronics Co. Ltd ET-KA7500 Datasheet HTML 2Page - Estek Electronics Co. Ltd ET-KA7500 Datasheet HTML 3Page - Estek Electronics Co. Ltd ET-KA7500 Datasheet HTML 4Page - Estek Electronics Co. Ltd  
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MAXIMUM AND RECOMMENDED OPERATING CONDITIONS
Recommended
operating
conditions
Maximum ratings
Symbol
Parameter
Min
Max
Min
Max
Unit
VCC
Supply Voltage
7
40
41
V
VI
Amplifier Input Voltage
-0.3
VCC-2
VCC+0.3
V
VO
Collector Output Voltage
40
41
V
IOC
Collector Output Current
(Each Transistor)
200
250
mA
T
Storage Temperature Range
-65
150
°C
T
Operating Free-Air Temperature
Range
-20
85
°C
ELECTRICAL CHARACTERISTICS (TA= -20 …+85°C, f =10kHz)
Value
Symbol
Parameter
Test Conditions
Min
Max
Tempe-
rature,
°
C
Unit
Vref
Output voltage
I0=1.0mA
VCC=15V
4.75
5.25
-20…+85
V
Uregin
Input regulation
VCC=7… 40V
I0=1.0mA
-
25
25
mV
Uregout
Output regulation
I0=1… 10 mA
VCC =15V
-
15
25
mV
ΔVref
Output voltage
change with
temperature
I0=1mA
VCC =15V
-
1.0
%
ISC
Short circuit output
current
Vref=0
tsc< 1s
VCC=15 V
-
50
mA
fosc
Frequency
C=0.01
μF, R=12kΩ
VCC=15V
V(03)=0.7V
6.0
14
kHz
σfosc
Standard Deviation
of Frequency *
VCC=15V
V(03)=0.7V
-
15
-20…+85
%
σfosc(ΔV)
Frequency Change
with Voltage
VCC=7…40 V
V(03)=0.7V
-
10
25
%
σfosc(ΔТ)
Frequency Change
with Temperature
C=0.01
μF, RT=12kΩ
VCC=15V
V(03)=0.7V
-
2.0
%
IIB(2T)
Input bias current
(pin 4)
VI=0…5.25V
VCC=15V
V(03)=0.7V
-
-10
μA
DCmax
Maximum duty cycle
(each output)
VI(04)=0V
VCC=15V
V(03)=0.7V
45
-
%
VTHD1
Input threshold
voltage (pin 4)
(Zero Duty Cycle)
DCmax=0
VCC=15V
V(03)=0.7V
-
3,3
-20…+85
V
BEIJING ESTEK ELECTRONICS CO.,LTD
ET-KA7500



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