MC78T05ABT Просмотр технического описания (PDF) - ON Semiconductor
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MC78T05ABT Datasheet PDF : 12 Pages
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MC78T00 Series
ELECTRICAL CHARACTERISTICS (Vin = 20 V, IO = 3.0 A, 0°C ≤ TJ ≤ 125°C, PO ≤ Pmax (Note 8), unless otherwise noted.)
MC78T15AC
MC78T15C
Characteristics
Symbol Min
Typ
Max
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, 17.5 Vdc ≤ Vin ≤ 30 Vdc)
VO
Vdc
14.7
15
15.3 14.4
15
15.6
14.4
15
15.6 14.25
15
15.75
Line Regulation (Note 9)
Regline
−
7.5
55
−
7.5
55
mV
(17.6 Vdc ≤ Vin ≤ 40 Vdc, IO = 5.0 mA, TJ = +25°C;
17.6 Vdc ≤ Vin ≤ 40 Vdc, IO = 1.0 A, TJ = +25°C;
20 Vdc ≤ Vin ≤ 26 Vdc, IO = 3.0 A, TJ = +25°C;
18 Vdc ≤ Vin ≤ 30 Vdc, IO = 1.0 A)
Load Regulation (Note 9)
(5.0 mA ≤ IO ≤ 3.0 A, TJ = +25°C)
(5.0 mA ≤ IO ≤ 3.0 A)
Regload
mV
−
10
30
−
10
30
−
15
80
−
15
80
Thermal Regulation
(Pulse = 10 ms, P = 20 W, TA = +25°C)
Quiescent Current
(5.0 mA ≤ IO ≤ 3.0 A, TJ = +25°C)
(5.0 mA ≤ IO ≤ 3.0 A)
Regtherm
−
IB
−
−
0.001 0.01
3.5
5.0
4.0
6.0
−
0.002 0.03 %VO/W
mA
−
3.5
5.0
−
4.0
6.0
Quiescent Current Change
DIB
(17.6 Vdc ≤ Vin ≤ 40 Vdc, IO = 5.0 mA, TJ = +25°C;
5.0 mA ≤ IO ≤ 3.0 A, TJ = +25°C;
18 Vdc ≤ Vin ≤ 30 Vdc, IO = 1.0 A)
−
0.3
1.0
−
0.3
1.0
mA
Ripple Rejection
(18.5 Vdc ≤ Vin ≤ 28.5 Vdc, f = 120 Hz,
IO = 2.0 A, TJ = 25°C)
RR
55
65
−
55
65
−
dB
Dropout Voltage (IO = 3.0 A, TJ = +25°C)
Vin−VO
−
2.2
2.5
−
2.2
2.5
Vdc
Output Noise Voltage
(10 Hz ≤ f ≤ 100 kHz, TJ = +25°C)
Vn
−
10
−
−
10
−
mV/VO
Output Resistance (f = 1.0 kHz)
RO
−
2.0
−
−
20
−
mW
Short Circuit Current Limit
(Vin = 40 Vdc, TJ = +25°C)
ISC
−
1.0
−
−
1.0
−
A
Peak Output Current (TJ = +25°C)
Imax
−
5.0
−
−
5.0
−
A
Average Temperature Coefficient of Output Voltage
TCVO
−
0.6
−
(IO = 5.0 mA)
−
0.6
−
mV/°C
8. Although power dissipation is internally limited, specifications apply only for PO ≤ Pmax, Pmax = 25 W.
9. 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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