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7805 PDF Datasheet浏览和下载

型号.:
7805
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内容描述:
三端子正电压稳压IC
[THREE-TERMINAL POSITIVE VOLTAGE REGULATOR IC]
文件大小:
121 K
文件页数:
1 Pages
品牌Logo:
品牌名称:
未知厂家 [ ETC ]
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7805•
THREE-TERMINAL POSITIVE 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
Unit
TO-220
Input Voltage
Vin
V
35
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
1
Junction to Case
1. Input
Thermal Resistance,
OjA
°C/W
65
2. GND
Junction to Air
3. Output
150
°C
Junction Temperature
T
j
Tc=-45÷+70°C
ELECTRICAL CHARACTERISTICS
(Vin=10V,Io=0.5A,Ci=0.33mkF,Co=0.1mkF,Tj=0+125°C, unless otherwise noted.)
Characteristic
Symbo
Norm
Unit
l
Min TYP Max
Vo
4.8
5.2 V
Output Voltage(Tj=25°C)
Output Voltage (5.0mA≤Io≤1.0A,Po≤15W)
7.0V≤Vin≤20V
Line Regulation(Tj=+25°C)
7.0V≤Vin≤25 V
8.0 V≤Vin≤12 V
Load Regulation(Tj=+25°C)
5.0mA≤Io≤1.5A
0.25A≤Io≤0.75A
Quiescent Current(Tj=+25°C)
Quiescent Current Change7.0 V≤Vin≤25 V
5.0mA≤Io≤1.0 A
Dropout Voltage(Io=1.0A,Tj=+25°C)
Short Circuit Current Limit(Ta=+25°C),Vin=35V
Peak Output Current(Tj=+25°C)
Average Temperature Coefficient of Output Voltage
Vo
4.75
∆Vv
5.25 V
mV
100
50
mV
100
50
8.0 mA
1.3 mA
0.5
V
A
A
mV/°C
∆Vi
Ib
∆Ib
Vi-Vo
Isс
Imax
TCVo
2.0
0.4
2.2
0.3