KA3882 Ver la hoja de datos (PDF) - Fairchild Semiconductor
Número de pieza
componentes Descripción
Fabricante
KA3882 Datasheet PDF : 5 Pages
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KA3882/3/4/5
SMPS CONTROLLER
ABSOLUTE MAXIMUM RATINGS
Characteristic
Supply Voltage
Output Current
Analog Inputs (pin 2, 3)
Error Amp. Output Sink Current
Power Dissipation
Symbol
VCC
IO
VI(ANA)
ISINK(EA)
PD
Value
30
+1
- 0.3 to 6.3
10
1
Unit
V
A
V
mA
W
ELECTRICAL CHARACTERISTICS
` Î Î (VCC = 15V, RT = 10K , CT = 3.3nF, TA = 0 to + 85 , Unless otherwise specified)
Characteristic
Symbol
Test Conditions
REFERENCE SECTION
Output Voltage
Line Regulation
Load Regulation
Output Short Circuit
OSILLATOR SECTION
Initial Accuracy
Voltage Stability
Amplitude
Discharge Current
CURRENT SENSE SECTION
Gain
Maximum Input Signal
PSRR
Input Bias Current
Delay to Output
VREF
LVREF
LVREF
ISC
FOSC
STV
VOSC
IDISCHG
Î TJ = 25 , IO = 1mA
VCC = 12V to 25V
IO = 1mA to 20mA
Î Ta = 25
Î TJ = 25
VCC = 12V to 25V
VPIN4, Peak to Peak
Î TJ = 25 , Pin4 = 2V
GV
VI(MAX)
PSRR
IBIAS
TD
(NOTE 2, 3)
VPIN1 = 5V(NOTE 2)
VCC = 12V to 25V
(NOTE 1, 2)
ï
VPIN3 = 0V to 2V (NOTE1)
Min Typ Max Unit
4.9
5.0
5.1
V
ï
6
20
mV
ï
6
25
mV
ï
- 100 - 180 mA
47
52
57 KHz
ï 0.2
1
%
ï 1.7 ï
V
7.8
8.3
8.8
mA
2.85
3
3.15 V/V
0.9
1.0
1.1
V
ï ï 70
dB
ï
-2
-10
uA
ï
100 200
ns
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