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MC7805CT 数据表(PDF) 4 Page - ON Semiconductor

部件名 MC7805CT
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

MC7805CT 数据表(HTML) 4 Page - ON Semiconductor

  MC7805CT Datasheet HTML 1Page - ON Semiconductor MC7805CT Datasheet HTML 2Page - ON Semiconductor MC7805CT Datasheet HTML 3Page - ON Semiconductor MC7805CT Datasheet HTML 4Page - ON Semiconductor MC7805CT Datasheet HTML 5Page - ON Semiconductor MC7805CT Datasheet HTML 6Page - ON Semiconductor MC7805CT Datasheet HTML 7Page - ON Semiconductor MC7805CT Datasheet HTML 8Page - ON Semiconductor MC7805CT Datasheet HTML 9Page - ON Semiconductor Next Button
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MC7800, MC7800A, NCV7805
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS (Vin = 10 V, IO = 1.0 A, TJ = Tlow to Thigh (Note 3), unless otherwise noted)
MC7805AB/MC7805AC
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25°C)
VO
4.9
5.0
5.1
Vdc
Output Voltage (5.0 mA
≤ IO ≤ 1.0 A, PD ≤ 15 W)
7.5 Vdc
≤ Vin ≤ 20 Vdc
VO
4.8
5.0
5.2
Vdc
Line Regulation (Note 4)
Regline
mV
7.5 Vdc
≤ Vin ≤ 25 Vdc, IO = 500 mA
0.5
10
8.0 Vdc
≤ Vin ≤ 12 Vdc, IO = 1.0 A
0.8
12
8.0 Vdc
≤ Vin ≤ 12 Vdc, IO = 1.0 A, TJ = 25°C
1.3
4.0
7.3 Vdc
≤ Vin ≤ 20 Vdc, IO = 1.0 A, TJ = 25°C
4.5
10
Load Regulation (Note 4)
Regload
mV
5.0 mA
≤ IO ≤ 1.5 A, TJ = 25°C
1.3
25
5.0 mA
≤ IO ≤ 1.0 A
0.8
25
250 mA
≤ IO ≤ 750 mA
0.53
15
Quiescent Current
IB
3.2
6.0
mA
Quiescent Current Change
DIB
mA
8.0 Vdc
≤ Vin ≤ 25 Vdc, IO = 500 mA
0.3
0.8
7.5 Vdc
≤ Vin ≤ 20 Vdc, TJ = 25°C
0.8
5.0 mA
≤ IO ≤ 1.0 A
0.08
0.5
Ripple Rejection
8.0 Vdc
≤ Vin ≤ 18 Vdc, f = 120 Hz, IO = 500 mA
RR
68
83
dB
Dropout Voltage (IO = 1.0 A, TJ = 25°C)
VI − VO
2.0
Vdc
Output Noise Voltage (TA = 25°C)
10 Hz
≤ f ≤ 100 kHz
Vn
10
mV/VO
Output Resistance (f = 1.0 kHz)
rO
0.9
m
W
Short Circuit Current Limit (TA = 25°C)
Vin = 35 Vdc
ISC
0.2
A
Peak Output Current (TJ = 25°C)
Imax
2.2
A
Average Temperature Coefficient of Output Voltage
TCVO
−0.3
mV/
°C
3. Tlow =0°C for MC78XXAC, C
Thigh = +125°C for MC78XXAC, C, NCV7805
=
*40°C for MC78XXB, MC78XXAB, NCV7805
4. 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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