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參數(shù)資料
| 型號： | MC78M18CT |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 固定正電壓單路輸出標準穩(wěn)壓器 |
| 中文描述： | 18 V FIXED POSITIVE REGULATOR, SFM3 |
| 封裝： | TO-220AB, 3 PIN |
| 文件頁數(shù)： | 12/14頁 |
| 文件大?。?/td> | 273K |
| 代理商： | MC78M18CT |
MC78MXX/LM78MXX
7
Electrical Characteristics (MC78M18) (Continued)
(Refer to the test circuits, 0 < TJ < +125°C, IO=350mA, VI=26V, unless otherwise specified, CI =0.33μF, CO=0.1μF)
Note:
1. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Output Voltage
VO
TJ = +25°C
17.3
18
18.7
V
IO = 5mA to 350mA
VI = 20.5V to 33V
17.1
18
18.9
Line Regulation (Note1)
ΔVO
IO = 200mA
TJ = +25°C
VI = 21V to 33V
-
100
mV
VI = 24V to 33V
-
50
Load Regulation (Note1)
ΔVΟ
IO = 5mA to 0.5A, TJ = +25°C
-
360
mV
IO = 5mA to 200mA, TJ = +25°C
-
180
Quiescent Current
IQ
TJ = +25°C-
4.2
6.0
mA
Quiescent Current Change
ΔIQ
IO = 5mA to 350mA
-
0.5
mA
IO = 200mA
VI = 21V to 33V
--
0.8
Output Voltage Drift
ΔV/ΔTIO = 5mATJ = 0 to 125°C-
-1.1
-
mV/
°C
Output Noise Voltage
VN
f = 10Hz to 100kHz
-
100
-
μV/Vo
Ripple Rejection
RR
f = 120Hz, IO= 300mA , VI = 22V to 32V
TJ =+25 °C
-70
-
dB
Dropout Voltage
VD
TJ = +25°C, IO = 500mA
-
2
-
V
Short Circuit Current
ISC
TJ = +25°C, VI = 35V
-
300
-
mA
Peak Current
IPK
TJ = +25°C
-
700
-
mA
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