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PDF 7908 Data sheet ( Hoja de datos )
| Número de pieza | 7908 | |
| Descripción | 7908 THREE-TERMINAL NEGATIVE VOLTAGE REGULATOR IC | |
| Fabricantes | ETC | |
| Logotipo |  |
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7908• THREE-TERMINAL NEGATIVE VOLTAGE REGULATOR IC
FEATURES:
- OUTPUT CURRENT IN EXCESS OF 1A;
- NO EXTERNAL COMPONENTS REQUIRED;
- INTERNAL SHORT CIRCUIT CURRENT LIMITING;
- INTERNAL THERMAL OVERLOAD PROTECTION;
- OUTPUT TRANSISTOR SAFE-AREA COMPENSATION;
- OUTPUT VOLTAGE OFFERED IN 4% TOLERANCE.
ABSOLUTE MAXIMUM RATINGS (Ta= 25° C)
Characteristic
Input Voltage
Symbol
Vin
Norm Unit
V -35
TO-220
Maximum Dissipated
Ptot(max) W
15
Power(with heat sink)
Maximum Dissipated
Ptot(max) W
1.5
Power(without heat sink)
Thermal Resistance
OjC °C/W 5.0
Junction to Case
1
Thermal Resistance,
OjA °C/W 65
Junction to Air
Junction Temperature
Tj
°C 150
1. GND
2. Input
3. Output
Tc=-45÷+70°C
ELECTRICAL CHARACTERISTICS
(Vin=-14V,Io=0.5A,Ci=2.2mkF,Co=1.0mkF,Tj=0+125°C, unless otherwise noted.)
Characteristic
Symbo
Norm
Unit
l
Min TYP Max
Output Voltage(Tj=25°C)
Vo -7.7
-8.3 V
Output Voltage (5.0mA≤Io≤1.0A,Po≤15W)
-10,5V≥Vin≥-23V
Vo
-7.6
-8.4 V
Line Regulation(Tj=+25°C, Io=0,1A)
-10,5 V≥Vin≥-25 V
-11V≥Vin≥-17 V
∆Vv
80 mV
40
(Tj=+25°C, Io=0,5A)
-10,5 V≥Vin≥-25 V
-11V≥Vin≥-17 V
160
80
Load Regulation(Tj=+25°C)
5.0mA≤Io≤1.5A
0.25A≤Io≤0.75A
∆Vi mV
160
80
Quiescent Current(Tj=+25°C) Ib 8.0 mA
Quiescent Current Change -10.5 V≥Vin≥-25 V ∆Ib
5.0mA≤Io≤1.5 A
1.0 mA
0.5
Dropout Voltage (Io=1.0A,Tj=+25°C)
Vi-Vo
2.0
V
Average Temperature Coefficient of Output
TCVo
0,5
mV/°C
Voltage
1 page | ||
| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet 7908.PDF ] | |
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