KA78T05 データシートの表示（PDF） - Fairchild Semiconductor
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KA78T05 Datasheet PDF : 8 Pages
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KA78TXX
Electrical Characteristics(KA78T15) (Continued)
(VI = 23V, IO = 3.0A, 0°C ≤ TJ ≤ +125°C, Po ≤ PMAX (Note1), unless otherwise specified.)
Parameter
Output Voltage
Line Regulation (Note2)
Load Regulation (Note2)
Thermal Regulation
Quiescent Current
Quiescent Current Change
Ripple Rejection
Dropout Voltage
Output Noise Voltage
Peak Output Current
Output Resistance
Short Circuit Current Limit
Average Temperature
Coefficient of Output Voltage
Symbol
Conditions
Min. Typ. Max. Unit
Vo
5mA ≤ Io ≤ 3.0A, TJ =+25°C
17.5V ≤ VI ≤ 30V, 5mA ≤ Io ≤ 2.0A
14.4 15 15.6
14.25 15 15.75
V
∆VO
17.6V ≤ VI ≤ 40V, Io=5mA, TJ =+25°C
17.6V ≤ VI ≤ 40V, Io=1.0A, TJ =+25°C
18V ≤ VI ≤ 30V, Io =2.0A, TJ =+25°C
20V ≤ VI ≤ 26V, Io =3.0A, TJ =+25°C
- 7.5 55 mV
∆VO
5mA ≤ Io ≤ 3.0A, TJ =+25°C
5mA ≤ Io ≤ 3.0A
-
10 30 mV
15 80 mV
REGT
Pulse =10ms, P = 20W
TA = +25°C
-
0.002 0.03
%Vo/
W
IQ
5mA ≤ Io ≤ 3.0A, TJ =+25°C
5mA ≤ Io ≤ 3.0A
-
3.5 5.0 mA
4.0 6.0 mA
∆IQ
17.6V ≤ VI ≤ 40V, Io = 5mA
TJ =+25°C ;
18V ≤ VI ≤ 30V, Io =2.0A ;
5mA ≤ Io ≤ 3.0A, TJ =+25°C
- 0.1 0.8 mA
RR
f = 120Hz, 18.5V ≤ VI ≤ 28.5V, Io = 2.0A
TJ =+25°C
-
65
-
dB
VD Io = 3A,TJ =+25°C
- 2.2 2.5 V
VN TA =+25°C, 10Hz ≤ f ≤ 100kHz
- 10 - µV/Vo
IPK TA =+25°C
- 5.0 -
A
Ro f = 1.0kHz
- 2.0 - mΩ
Isc VI = 40V, TJ =+25°C
- 1.0 2.0 A
∆VO/∆T Io = 5.0mA
- 0.5 - mV/°C
Note:
1. Although power dissipation is internally limited, specifications apply only for PO ≤ Pmax, Pmax = 25W
2. Load and line regulation are specified at constant junction temperature. Change in Vo due heating effects must be taken into
account separately. Pulse testing with low duty is used. ( PMAX = 25W)
4
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