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KA7805 データシート(Datasheet) 2 Page - Fairchild Semiconductor

部品番号. KA7805
部品情報  3-Terminal 1A Positive Voltage Regulator
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メーカー  FAIRCHILD [Fairchild Semiconductor]
ホームページ  http://www.fairchildsemi.com
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KA78XX/KA78XXA
2
Absolute Maximum Ratings
Electrical Characteristics (KA7805/KA7805R)
(Refer to test circuit ,0°C < TJ < 125°C, IO = 500mA, VI =10V, CI= 0.33
µF, CO=0.1µF, unless otherwise specified)
Note:
1. 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.
Parameter
Symbol
Value
Unit
Input Voltage (for VO = 5V to 18V)
(for VO = 24V)
VI
VI
35
40
V
V
Thermal Resistance Junction-Cases (TO-220)
R
θJC
5
°C/W
Thermal Resistance Junction-Air (TO-220)
R
θJA
65
°C/W
Operating Temperature Range (KA78XX/A/R)
TOPR
0 ~ +125
°C
Storage Temperature Range
TSTG
-65 ~ +150
°C
Parameter
Symbol
Conditions
KA7805
Unit
Min.
Typ.
Max.
Output Voltage
VO
TJ =+25
oC
4.8
5.0
5.2
5.0mA ≤ Io ≤ 1.0A, PO ≤ 15W
VI = 7V to 20V
4.75
5.0
5.25
V
Line Regulation (Note1)
Regline
TJ=+25
oC
VO = 7V to 25V
-
4.0
100
mV
VI = 8V to 12V
-
1.6
50
Load Regulation (Note1)
Regload
TJ=+25
oC
IO = 5.0mA to1.5A
-
9
100
mV
IO =250mA to 750mA
-
4
50
Quiescent Current
IQ
TJ =+25
oC-
5.0
8.0
mA
Quiescent Current Change
∆IQ
IO = 5mA to 1.0A
-
0.03
0.5
mA
VI= 7V to 25V
-
0.3
1.3
Output Voltage Drift
∆VO/∆TIO= 5mA
-
-0.8
-
mV/ oC
Output Noise Voltage
VN
f = 10Hz to 100KHz, TA=+25
oC-
42
-
µV/VO
Ripple Rejection
RR
f = 120Hz
VO = 8V to 18V
62
73
-
dB
Dropout Voltage
VDrop
IO = 1A, TJ =+25
oC-
2
-
V
Output Resistance
rO
f = 1KHz
-
15
-
m
Short Circuit Current
ISC
VI = 35V, TA =+25
oC
-
230
-
mA
Peak Current
IPK
TJ =+25
oC-
2.2
-
A




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