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MC7812CT 数据表(PDF) 14 Page - ON Semiconductor

部件名 MC7812CT
功能描述  1.0 A Positive Voltage Regulators
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

MC7812CT 数据表(HTML) 14 Page - ON Semiconductor

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MC7800, MC7800A, NCV7805
http://onsemi.com
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ELECTRICAL CHARACTERISTICS (Vin = 23 V, IO = 1.0 A, TJ = Tlow to Thigh (Note 22), unless otherwise noted)
MC7815AB/MC7815AC
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25°C)
VO
14.7
15
15.3
Vdc
Output Voltage (5.0 mA
≤ IO ≤ 1.0 A, PD ≤ 15 W)
VO
14.4
15
15.6
Vdc
17.9 Vdc
≤ Vin ≤ 30 Vdc
Line Regulation (Note 23)
Regline
mV
17.9 Vdc
≤ Vin ≤ 30 Vdc, IO = 500 mA
8.5
20
20 Vdc
≤ Vin ≤ 26 Vdc
3.0
22
17.5 Vdc
≤ Vin ≤ 30 Vdc, IO = 1.0 A, TJ = 25°C
7.0
20
Load Regulation (Note 23)
Regload
mV
5.0 mA
≤ IO ≤ 1.5 A, TJ = 25°C
1.8
25
5.0 mA
≤ IO ≤ 1.0 A
1.5
25
250 mA
≤ IO ≤ 750 mA
1.2
15
Quiescent Current
IB
3.5
6.0
mA
Quiescent Current Change
DIB
mA
17.5 Vdc
≤ Vin ≤ 30 Vdc, IO = 500 mA
0.8
17.5 Vdc
≤ Vin ≤ 30 Vdc, IO = 1.0 A, TJ = 25°C
0.8
5.0 mA
≤ IO ≤ 1.0 A
0.5
Ripple Rejection
RR
60
80
dB
18.5 Vdc
≤ Vin ≤ 28.5 Vdc, f = 120 Hz, IO = 500 mA
Dropout Voltage (IO = 1.0 A, TJ = 25°C)
VI − VO
2.0
Vdc
Output Noise Voltage (TA = 25°C)
Vn
10
mV/VO
10 Hz
≤ f ≤ 100 kHz
Output Resistance f = 1.0 kHz
rO
1.2
m
W
Short Circuit Current Limit (TA = 25°C)
ISC
0.2
A
Vin = 35 Vdc
Peak Output Current (TJ = 25°C)
Imax
2.2
A
Average Temperature Coefficient of Output Voltage
TCVO
−1.0
mV/
°C
22. Tlow =0°C for MC78XXAC, C
Thigh = +125°C for MC78XXAC, C, NCV7805
=
*40°C for MC78XXB, MC78XXAB, NCV7805
23. 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 cycle is used.


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