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KA3525A.. 数据表(PDF) 3 Page - ON Semiconductor

部件名 KA3525A..
功能描述  SMPS Controller
PDF  8 Pages
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

KA3525A.. 数据表(HTML) 3 Page - ON Semiconductor

  KA3525A.. Datasheet HTML 1Page - ON Semiconductor KA3525A.. Datasheet HTML 2Page - ON Semiconductor KA3525A.. Datasheet HTML 3Page - ON Semiconductor KA3525A.. Datasheet HTML 4Page - ON Semiconductor KA3525A.. Datasheet HTML 5Page - ON Semiconductor KA3525A.. Datasheet HTML 6Page - ON Semiconductor KA3525A.. Datasheet HTML 7Page - ON Semiconductor KA3525A.. Datasheet HTML 8Page - ON Semiconductor  
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KA3525A
2
Absolute Maximum Ratings
Electrical Characteristics
(VCC = 20V, TA = 0 to +70
°C, unless otherwise specified)
Parameter
Symbol
Value
Unit
Supply Voltage
VCC
40
V
Collector Supply Voltage
VC
40
V
Output Current, Sink or Source
IO
500
mA
Reference Output Current
IREF
50
mA
Oscillator Charging Current
ICHG(OSC)
5mA
Power Dissipation (TA = 25
°C)
PD
1000
m/W
Operating Temperature
TOPR
0 ~ +70
°C
Storage Temperature
TSTG
-65 ~ +150
°C
Lead Temperature (Soldering, 10sec)
TLEAD
+300
°C
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
REFERENCE SECTION
Reference Output Voltage
VREF
TJ = 25
°C5.0
5.1
5.2
V
Line Regulation
∆VREF
VCC = 8 to 35V
-
9
20
mV
Load Regulation
∆VREF
IREF = 0 to 20mA
-
20
50
mV
Short Circuit Output Current
ISC
VREF = 0, TJ = 25
°C
-
80
100
mA
Total Output Variation (Note1)
∆VREF
Line, Load and Temperature
4.95
-
5.25
V
Temperature Stability (Note1)
STT
-
-20
50
mV
Long Term Stability (Note1)
ST
TJ = 125
°C ,1KHRS
-20
50
mV
OSCILLATOR SECTION
Initial Accuracy (Note1, 2)
ACCUR
TJ = 25
°C-
±3
±6%
Frequency Change With Voltage
∆f/∆VCC
VCC = 8 to 35V (Note1, 2)
-
±0.8
±2%
Maximum Frequency
f(MAX)
RT = 2k
Ω, CT = 470pF
400
430
-
kHz
Minimum Frequency
f(MIN)
RT = 200k
Ω, CT = 0.1uF
-
60
120
Hz
Clock Amplitude (Note1, 2)
V(CLK)
-
34
-
V
Clock Width (Note1, 2)
tW(CLK)
TJ = 25
°C0.3
0.6
1
µs
Sync Threshold
VTH(SYNC)
-
1.2
2
2.8
V
Sync Input Current
II(SYNC)
Sync = 3.5V
-
1.3
2.5
mA



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