參數(shù)資料
型號： MC7824A
廠商： ON SEMICONDUCTOR
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： 1.0 A Positive Voltage Regulators
中文描述： 1.0A正電壓穩(wěn)壓器
文件頁數(shù)： 4/32頁
文件大小： 270K
代理商： MC7824A
MC7800, MC7800A, NCV7805
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS
(V
in
= 10 V, I
O
= 1.0 A, T
J
= T
low
to T
high
(Note 3), unless otherwise noted)
MC7805AB/MC7805AC
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (T
J
= 25
°
C)
Output Voltage (5.0 mA
≤
I
O
≤
1.0 A, P
D
≤
15 W)
7.5 Vdc
≤
V
in
≤
20 Vdc
V
O
4.9
5.0
5.1
Vdc
V
O
4.8
5.0
5.2
Vdc
Line Regulation (Note 4)
Reg
line
mV
7.5 Vdc
≤
V
in
≤
25 Vdc, I
O
= 500 mA
-
0.5
10
8.0 Vdc
≤
V
in
≤
12 Vdc, I
O
= 1.0 A
-
0.8
12
8.0 Vdc
≤
V
in
≤
12 Vdc, I
O
= 1.0 A, T
J
= 25
°
C
7.3 Vdc
≤
V
in
≤
20 Vdc, I
O
= 1.0 A, T
J
= 25
°
C
-
1.3
4.0
-
4.5
10
Load Regulation (Note 4)
Reg
load
mV
5.0 mA
≤
I
O
≤
1.5 A, T
J
= 25
°
C
-
1.3
25
5.0 mA
≤
I
O
≤
1.0 A
-
0.8
25
250 mA
≤
I
O
≤
750 mA
-
0.53
15
Quiescent Current
I
B
-
3.2
6.0
mA
Quiescent Current Change
I
B
mA
8.0 Vdc
≤
V
in
≤
25 Vdc, I
O
= 500 mA
-
0.3
0.8
7.5 Vdc
≤
V
in
≤
20 Vdc, T
J
= 25
°
C
5.0 mA
≤
I
O
≤
1.0 A
-
-
0.8
-
0.08
0.5
Ripple Rejection
8.0 Vdc
≤
V
in
≤
18 Vdc, f = 120 Hz, I
O
= 500 mA
RR
68
83
-
dB
Dropout Voltage (I
O
= 1.0 A, T
J
= 25
°
C)
V
I
- V
O
-
2.0
-
Vdc
Output Noise Voltage (T
A
= 25
°
C)
10 Hz
≤
f
≤
100 kHz
V
n
-
10
-
V/V
O
Output Resistance (f = 1.0 kHz)
r
O
-
0.9
-
m
Short Circuit Current Limit (T
A
= 25
°
C)
V
in
= 35 Vdc
I
SC
-
0.2
-
A
Peak Output Current (T
J
= 25
°
C)
I
max
-
2.2
-
A
Average Temperature Coefficient of Output Voltage
TCV
O
-
-0.3
-
mV/
°
C
3. T
low
= 0
°
C for MC78XXAC, CT
=
40
°
C for MC78XXB, MC78XXAB, NCV7805
4. Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
high
= +125
°
C for MC78XXAC, C, NCV7805
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