參數(shù)資料
型號(hào)： MC7800
廠商： ON SEMICONDUCTOR
元件分類： 基準(zhǔn)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)： 9/16頁
文件大?。?/td> 278K
代理商： MC7800
MC7800, MC7800A, LM340, LM340A Series
9
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS
(Vin = 23 V, IO = 500 mA, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
MC7815C/LM340T–15
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25
°
C)
Output Voltage (5.0 mA
≤
IO
≤
1.0 A, PD
≤
15 W)
17.5 Vdc
≤
Vin
≤
30 Vdc
Line Regulation, TJ = 25
°
C (Note 2)
17.9 Vdc
≤
Vin
≤
30 Vdc
20 Vdc
≤
Vin
≤
26 Vdc
Load Regulation, TJ = 25
°
C (Note 2)
5.0 mA
≤
IO
≤
1.5 A
Quiescent Current
VO
VO
14.4
15
15.6
Vdc
14.25
15
15.75
Vdc
Regline
mV
–
–
8.5
3.0
30
28
Regload
–
1.8
55
mV
IB
IB
–
3.5
6.5
mA
Quiescent Current Change
17.5 Vdc
≤
Vin
≤
30 Vdc
17.5 Vdc
≤
Vin
≤
30 Vdc, IO = 1.0 A, TJ = 25
°
C
5.0 mA
≤
IO
≤
1.0 A
Ripple Rejection
18.5 Vdc
≤
Vin
≤
28.5 Vdc, f = 120 Hz
Dropout Voltage (IO = 1.0 A, TJ = 25
°
C)
Output Noise Voltage (TA = 25
°
C)
10 Hz
≤
f
≤
100 kHz
mA
–
–
–
–
–
–
0.8
0.7
0.5
RR
54
58
–
dB
VI – VO
Vn
–
2.0
–
Vdc
–
10
–
μ
V/VO
Output Resistance f = 1.0 kHz
rO
ISC
–
1.2
–
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
–
–1.0
–
mV/
°
C
ELECTRICAL CHARACTERISTICS
(Vin = 23 V, IO = 1.0 A, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
MC7815AC/LM340AT–15
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25
°
C)
Output Voltage (5.0 mA
≤
IO
≤
1.0 A, PD
≤
15 W)
17.9 Vdc
≤
Vin
≤
30 Vdc
Line Regulation (Note 2)
17.9 Vdc
≤
Vin
≤
30 Vdc, IO = 500 mA
20 Vdc
≤
Vin
≤
26 Vdc
17.5 Vdc
≤
Vin
≤
30 Vdc, IO = 1.0 A, 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
14.7
15
15.3
Vdc
14.4
15
15.6
Vdc
Regline
mV
–
–
–
8.5
3.0
7.0
20
22
20
Regload
mV
–
–
–
1.8
1.5
1.2
25
25
15
IB
IB
–
3.5
6.0
mA
Quiescent Current Change
17.5 Vdc
≤
Vin
≤
30 Vdc, IO = 500 mA
17.5 Vdc
≤
Vin
≤
30 Vdc, IO = 1.0 A, TJ = 25
°
C
5.0 mA
≤
IO
≤
1.0 A
mA
–
–
–
–
–
–
0.8
0.8
0.5
NOTES:
1.Tlow = –40
°
C for MC78XXAC, C, LM340AT–XX, LM340T–XX Thigh = +125
°
C for MC78XXAC, C, LM340AT–XX, LM340T–XX
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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