參數(shù)資料
型號(hào): MC7805A
廠商: Fairchild Semiconductor Corporation
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 3-Terminal 1A Positive Voltage Regulator
中文描述: 三端一安電壓調(diào)節(jié)器
文件頁數(shù): 5/32頁
文件大?。?/td> 270K
代理商: MC7805A
MC7800, MC7800A, NCV7805
http://onsemi.com
5
ELECTRICAL CHARACTERISTICS
(V
in
= 11 V, I
O
= 500 mA, T
J
= T
low
to T
high
(Note 5), unless otherwise noted)
MC7806B
MC7806C
Characteristic
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
Output Voltage (T
J
= 25
°
C)
Output Voltage (5.0 mA
I
O
1.0 A, P
D
15 W)
V
O
5.75
6.0
6.25
5.75
6.0
6.25
Vdc
V
O
Vdc
8.0 Vdc
V
in
21 Vdc
-
-
-
5.7
6.0
6.3
9.0 Vdc
V
in
21 Vdc
5.7
6.0
6.3
-
-
-
Line Regulation, T
J
= 25
°
C (Note 6)
8.0 Vdc
V
in
25 Vdc
Reg
line
mV
-
5.5
120
-
0.5
24
9.0 Vdc
V
in
13 Vdc
-
1.4
60
-
0.8
12
Load Regulation, T
J
= 25
°
C (Note 6)
Reg
load
-
1.3
120
-
1.3
30
mV
5.0 mA
I
O
1.5 A
Quiescent Current (T
J
= 25
°
C)
I
B
-
3.3
8.0
-
3.3
8.0
mA
Quiescent Current Change
I
B
mA
8.0 Vdc
V
in
25 Vdc
-
-
-
-
0.3
1.3
5.0 mA
I
O
1.0 A
-
-
0.5
-
0.08
0.5
Ripple Rejection
RR
-
65
-
58
65
-
dB
9.0 Vdc
V
in
19 Vdc, f = 120 Hz
Dropout Voltage (I
O
= 1.0 A, T
J
= 25
°
C)
V
I
- V
O
-
2.0
-
-
2.0
-
Vdc
Output Noise Voltage (T
A
= 25
°
C)
V
n
-
10
-
-
10
-
V/V
O
10 Hz
f
100 kHz
Output Resistance f = 1.0 kHz
r
O
-
0.9
-
-
0.9
-
m
Short Circuit Current Limit (T
A
= 25
°
C)
I
SC
-
0.2
-
-
0.2
-
A
V
in
= 35 Vdc
Peak Output Current (T
J
= 25
°
C)
I
max
-
2.2
-
-
2.2
-
A
Average Temperature Coefficient of Output
Voltage
TCV
O
-
-0.3
-
-
-0.3
-
mV/
°
C
5. T
low
= 0
°
C for MC78XXAC, CT
= -40
°
C for MC78XXB, MC78XXAB, NCV7805
6. 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, NCV7805
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