參數(shù)資料
型號(hào)： MC78MXX
廠商： Fairchild Semiconductor Corporation
元件分類： 線性穩(wěn)壓
英文描述： 5.0 AMP POSITIVE VOLTAGE REGULATOR
中文描述： 5.0放大器正電壓穩(wěn)壓器
文件頁數(shù)： 12/14頁
文件大?。?/td> 88K
代理商： MC78MXX
MC78MXX/LM78MXX
7
Electrical Characteristics (MC78M18) (Continued)
(Refer to the test circuits, 0 < TJ < +125
°C, IO=350mA, VI=26V, unless otherwise specified, CI =0.33F, CO=0.1F)
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)
VO
IO = 200mA
TJ = +25
°C
VI = 21V to 33V
-
100
mV
VI = 24V to 33V
-
50
Load Regulation (Note1)
VΟ
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
IQ
IO = 5mA to 350mA
-
0.5
mA
IO = 200mA
VI = 21V to 33V
--
0.8
Output Voltage Drift
V/TIO = 5mATJ = 0 to 125°C-
-1.1
-
mV/
°C
Output Noise Voltage
VN
f = 10Hz to 100kHz
-
100
-
V/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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