參數(shù)資料
型號： MC7800A
廠商： Motorola, Inc.
元件分類： 基準電壓源/電流源
英文描述： THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
中文描述： 三端固定電壓調(diào)節(jié)器
文件頁數(shù)： 6/16頁
文件大?。?/td> 278K
代理商： MC7800A
MC7800, MC7800A, LM340, LM340A Series
6
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS
(continued)
(Vin = 14 V, IO = 500 mA, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
MC7808C
Characteristic
Symbol
Min
Typ
Max
Unit
Output Resistance f = 1.0 kHz
rO
ISC
–
0.9
–
m
Short Circuit Current Limit (TA = 25
°
C)
Vin = 35 Vdc
Peak Output Current (TJ = 25
°
C)
Average Temperature Coefficient of Output Voltage
–
0.2
–
A
Imax
TCVO
–
2.2
–
A
–
–0.4
–
mV/
°
C
ELECTRICAL CHARACTERISTICS
(Vin = 14 V, IO = 1.0 A, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
MC7808AC
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25
°
C)
Output Voltage (5.0 mA
≤
IO
≤
1.0 A, PD
≤
15 W)
10.6 Vdc
≤
Vin
≤
23 Vdc
Line Regulation (Note 2)
10.6 Vdc
≤
Vin
≤
25 Vdc, IO = 500 mA
11 Vdc
≤
Vin
≤
17 Vdc, IO = 1.0 A
10.4 Vdc
≤
Vin
≤
23 Vdc, TJ = 25
°
C
Load Regulation (Note 2)
5.0 mA
≤
IO
≤
1.5 A, TJ = 25
°
C
5.0 mA
≤
IO
≤
1.0 A
250 mA
≤
IO
≤
750 mA
Quiescent Current
VO
VO
7.84
8.0
8.16
Vdc
7.7
8.0
8.3
Vdc
Regline
mV
–
–
–
6.0
1.7
5.0
15
18
15
Regload
mV
–
–
–
1.4
1.0
0.22
25
25
15
IB
IB
–
3.3
6.0
mA
Quiescent Current Change
11 Vdc
≤
Vin
≤
25 Vdc, IO = 500 mA
10.6 Vdc
≤
Vin
≤
23 Vdc, IO = 1.0 A, TJ = 25
°
C
5.0 mA
≤
IO
≤
1.0 A
Ripple Rejection
11.5 Vdc
≤
Vin
≤
21.5 Vdc, f = 120 Hz, IO = 500 mA
Dropout Voltage (IO = 1.0 A, TJ = 25
°
C)
Output Noise Voltage (TA = 25
°
C)
10 Hz
≤
f
≤
100 kHz
mA
–
–
–
–
–
–
0.8
0.8
0.5
RR
56
62
–
dB
VI – VO
Vn
–
2.0
–
Vdc
–
10
–
μ
V/VO
Output Resistance f = 1.0 kHz
rO
ISC
–
0.9
–
m
Short Circuit Current Limit (TA = 25
°
C)
Vin = 35 Vdc
Peak Output Current (TJ = 25
°
C)
Average Temperature Coefficient of Output Voltage
–
0.2
–
A
Imax
TCVO
–
2.2
–
A
–
–0.4
–
mV/
°
C
NOTES:
1.Tlow = –40
°
C for MC78XXAC, C Thigh = +125
°
C for MC78XXAC, C
2.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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