MC78T05C データシートの表示（PDF） - ON Semiconductor
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MC78T05C Datasheet PDF : 12 Pages
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MC78T00 Series
ELECTRICAL CHARACTERISTICS (Vin = 10 V, IO = 3.0 A, 0°C ≤ TJ ≤ 125°C, PO ≤ Pmax (Note 2), unless otherwise noted.)
MC78T05AC
MC78T05C
Characteristics
Symbol Min
Typ
Max
Min
Typ Max
Unit
Short Circuit Current Limit
(Vin = 35 Vdc, TJ = +25°C)
ISC
−
1.5
−
−
1.5
−
A
Peak Output Current (TJ = +25°C)
Imax
−
5.0
−
−
5.0
−
A
Average Temperature Coefficient of Output Voltage
TCVO
−
0.2
−
(IO = 5.0 mA)
−
0.2
−
mV/°C
2. Although power dissipation is internally limited, specifications apply only for PO ≤ Pmax, Pmax = 25 W.
3. Line and load 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 cycle is used.
ELECTRICAL CHARACTERISTICS (Vin = 13 V, IO = 3.0 A, 0°C ≤ TJ ≤ 125°C, PO ≤ Pmax (Note 4), unless otherwise noted.)
MC78T08C
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage
(5.0 mA ≤ IO ≤ 3.0 A, TJ = +25°C)
(5.0 mA ≤ IO ≤ 3.0 A;
5.0 mA ≤ IO ≤ 2.0 A, 10.4 Vdc ≤ Vin ≤ 23 Vdc)
Line Regulation (Note 5)
(10.3 Vdc ≤ Vin ≤ 35 Vdc, IO = 5.0 mA, TJ = +25°C
10.3 Vdc ≤ Vin ≤ 35 Vdc, IO = 1.0 A, TJ = +25°C
11 Vdc ≤ Vin ≤ 17 Vdc, IO = 3.0 A, TJ = +25°C
10.7 Vdc ≤ Vin ≤ 23 Vdc, IO = 1.0 A)
VO
Vdc
7.7
8.0
8.3
7.6
8.0
8.4
Regline
−
4.0
35
mV
Load Regulation (Note 5)
(5.0 mA ≤ IO ≤ 3.0 A, TJ = +25°C)
(5.0 mA ≤ IO ≤ 3.0 A)
Thermal Regulation
(Pulse = 10 ms, P = 20 W, TA = +25°C)
Regload
mV
−
10
30
−
15
80
Regtherm
−
0.002 0.03
%VO/W
Quiescent Current
(5.0 mA ≤ IO ≤ 3.0 A, TJ = +25°C)
(5.0 mA ≤ IO ≤ 3.0 A)
IB
mA
−
3.5
5.0
−
4.0
6.0
Quiescent Current Change
(10.3 Vdc ≤ Vin ≤ 35 Vdc, IO = 5.0 mA, TJ = +25°C;
5.0 mA ≤ IO ≤ 3.0 A, TJ = +25°C;
10.7 Vdc ≤ Vin ≤ 23 Vdc, IO = 1.0 A)
DIB
−
0.3
1.0
mA
Ripple Rejection
(11 Vdc ≤ Vin ≤ 21 Vdc, f = 120 Hz, IO = 2.0 A, TJ = 25°C)
RR
60
71
−
dB
Dropout Voltage (IO = 3.0 A, TJ = +25°C)
Vin−VO
−
2.2
2.5
Vdc
Output Noise Voltage
(10 Hz ≤ f ≤ 100 kHz, TJ = +25°C)
Vn
−
10
−
mV/VO
Output Resistance (f = 1.0 kHz)
RO
−
2.0
−
mW
Short Circuit Current Limit
(Vin = 35 Vdc, TJ = +25°C)
ISC
−
1.5
−
A
Peak Output Current (TJ = +25°C)
Imax
−
5.0
−
A
Average Temperature Coefficient of Output Voltage (IO = 5.0 mA)
TCVO
−
0.3
−
mV/°C
4. Although power dissipation is internally limited, specifications apply only for PO ≤ Pmax, Pmax = 25 W.
5. Line and load 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 cycle is used.
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