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參數資料
| 型號： | 7908 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 7908? THREE-TERMINAL NEGATIVE VOLTAGE REGULATOR IC |
| 中文描述： | 7908？三端負電壓穩壓器集成電路 |
| 文件頁數： | 1/1頁 |
| 文件大小： | 113K |
| 代理商： | 7908 |
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
Symbol
Norm
Input Voltage
Vin
V
Maximum Dissipated
Power(with heat sink)
Maximum Dissipated
Power(without heat sink)
Thermal Resistance
Junction to Case
Thermal Resistance,
Junction to Air
Junction Temperature
T
j
°C
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
Unit
-35
15
Ptot(max) W
Ptot(max) W
1.5
OjC
°C/W
5.0
OjA
°C/W
65
150
TO-220
1
1. GND
2. Input
3. Output
Symbo
l
Vo
Vo
Norm
Unit
Output Voltage(Tj=25°C)
Output Voltage (5.0mA
≤
Io
≤
1.0A,Po
≤
15W)
-10,5V
≥
Vin
≥
-23V
Line Regulation(Tj=+25°C, Io=0,1A)
-10,5 V
≥
Vin
≥
-25 V
-11V
≥
Vin
≥
-17 V
(Tj=+25°C, Io=0,5A)
-10,5 V
≥
Vin
≥
-25 V
-11V
≥
Vin
≥
-17 V
Load Regulation(Tj=+25°C)
5.0mA
≤
Io
≤
1.5A
0.25A
≤
Io
≤
0.75A
Quiescent Current(Tj=+25°C)
Quiescent Current Change -10.5 V
≥
Vin
≥
-25 V
5.0mA
≤
Io
≤
1.5 A
Dropout Voltage (Io=1.0A,Tj=+25°C)
Average Temperature Coefficient of Output
Voltage
Min
-7.7
-7.6
TYP Max
-8.3 V
-8.4
80
40
160
80
V
mV
Vv
Vi
160
80
8.0
1.0
0.5
mV
Ib
Ib
mA
mA
Vi-Vo
TCVo
2.0
0,5
V
mV/°C
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