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参数资料
| 型号： | LM79XX |
| 厂商： | Fairchild Semiconductor Corporation |
| 元件分类： | 开关稳压 |
| 英文描述： | 3-TERMINAL 1A NEGATIVE VOLTAGE REGULATORS |
| 中文描述： | 三端负电压调节器第1A |
| 文件页数： | 3/15页 |
| 文件大小： | 194K |
| 代理商： | LM79XX |
LM79XX/A (KA79XX, MC79XX) FIXED VOLTAGE REGULATOR (NEGATIVE)
(VI= 18V, lO =500mA, 0
°C ≤T
J
≤ +125°C, C
I =2.2
F, C
O = 1
F, unless otherwise specified.)
* Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
LM7915A ELECTRICAL CHARACTERISTICS
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
TJ =+ 25
°C
-11.75
-12
-12.25
Output Voltage
VO
IO = 5mA to 1A, PO 15W
VI = -15.5 to -27V
-11.5
-12
-12.5
V
VI = -14.5 to -30V
12
240
VI= -16 to -22V
6
120
TJ = +25
°C
IO = 5mA to 1.5A
12
240
TJ =+ 25
°C
IO = 250 to 750mA
4
120
Quiescent Current
IQ
TJ =+ 25
°C
3
6
mA
IO = 5mA to 1A
0.05
0.5
VI = -15 to -30V
0.1
1
Temperature Coefficient of VD
V
O/
T
IO = 5mA
-0.8
mV/
°C
Output Noise Voltage
VN
f = 10Hz to 100Khz
TA =+ 25
°C
200
V
Ripple Rejection
RR
f = 120Hz
V
I = 10V
54
60
dB
Dropout Voltage
VD
TJ=+ 25
°C
IO = 1A
2
V
Short Circuit Current
ISC
TJ=+ 25
°C, V
I = -35V
300
mA
Peak Current
IPK
TJ=+ 25
°C
2.2
A
Line Regulation
Load Regulation
V
O
V
O
mV
TJ =+25
°C
mV
Quiescent Current Change
I
Q
mA
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM79XX_08 | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:3 TERMINAL 1A NEGATIVE VOLTAGE REGULATOR |
| LM79XX_09 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:3-Terminal 1A Negative Voltage Regulator |
| LM79XX_A | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| LM79XXA | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| LM79XXAT | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:3-TERMINAL 1A NEGATIVE VOLTAGE REGULATORS |
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