參數(shù)資料
型號(hào): 7924
廠商: Electronic Theatre Controls, Inc.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: THREE-TERMINAL NEGATIVE VOLTAGE REGULATOR IC
中文描述: 三端負(fù)電壓穩(wěn)壓器集成電路
文件頁(yè)數(shù): 1/1頁(yè)
文件大?。?/td> 112K
代理商: 7924
7924
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=-33V,Io=0.5A,Ci=2.2mkF,Co=1.0mkF,Tj=0+125°C, unless otherwise noted.)
Characteristic
Output Voltage(Tj=25°C)
Output Voltage (5.0mA
Io
1.0A,Po
15W)
-27V
Vin
-38V
Line Regulation(Tj=+25°C, Io=0,1A)
-27 V
Vin
-38 V
-30V
Vin
-36 V
(Tj=+25°C, Io=0,5A)
-27 V
Vin
-38 V
-30V
Vin
-36 V
Load Regulation(Tj=+25°C)
5.0mA
Io
1.5A
0.25A
Io
0.75A
Quiescent Current(Tj=+25°C)
Quiescent Current Change -27 V
Vin
-38 V
5.0mA
Io
1.5 A
Dropout Voltage (Io=1.0A,Tj=+25°C)
Average Temperature Coefficient of Output
Voltage
Unit
-40
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
Symbol
Vo
Vo
Norm
TYP Max
Unit
V
V
mV
Min
-23
-22,8
-25
-25,2
240
120
470
240
Vv
Vi
480
240
8.0
1.0
0.5
mV
Ib
Ib
mA
mA
Vi-Vo
TCVo
2.0
1
V
mV/°
C
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