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KA78M18 数据表(PDF) 7 Page - Fairchild Semiconductor

部件名 KA78M18
功能描述  3-terminal 0.5A positive voltage regulator
Download  16 Pages
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制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor

KA78M18 数据表(HTML) 7 Page - Fairchild Semiconductor

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KA78MXX
7
Electrical Characteristics (KA78M15/KA78M15R)
(Refer to the test circuits, 0 < TJ < +125
°C, IO=350mA, VI =23V, unless otherwise specified, CI = 0.33µF, CO=0.1µF)
Notes:
*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
14.4
15
15.6
V
IO = 5 to 350mA
VI= 17.5 to 30V
14.25
15
15.75
Line Regulation
∆VO
IO = 200mA
TJ =+25
°C
VI= 17.5 to 30V
-
-
100
mV
VI = 20 to 30V
-
-
50
Load Regulation
∆VO
IO = 5mA to 0.5A, TJ =+25
°C
-
-
300
mV
IO = 5mA to 200mA, TJ =+25
°C
-
-
150
Quiescent Current
IQ
TJ=+25
°C-
4.1
6
mA
Quiescent Current Change
∆IQ
IO = 5mA to 350mA
-
-
0.5
mA
IO = 200mA
VI = 17.5 to 30V
--
0.8
Output Voltage Drift
∆V/∆T
IO = 5mA
TJ = 0 to +125
°C
-
− 1-
mV/
°C
Output Noise Voltage
VN
f = 10Hz to 100KHz
-
100
-
µV
Ripple Rejection
RR
f = 120Hz, IO = 300mA
VI = 18.5 to 28.5V
54
-
-
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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