參數(shù)資料
型號: MC7805ABD2T
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: 5 V FIXED POSITIVE REGULATOR, PSSO2
封裝: D2PAK-3
文件頁數(shù): 11/32頁
文件大?。?/td> 234K
代理商: MC7805ABD2T
MC7800, MC7800A, NCV7805
http://onsemi.com
11
ELECTRICAL CHARACTERISTICS
(V
in
= 19 V, I
O
= 500 mA, T
J
= T
low
to T
high
(Note 16), unless otherwise noted)
MC7812B
MC7812C
Characteristic
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
Output Voltage (T
J
= 25
°
C)
V
O
11.5
12
12.5
11.5
12
12.5
Vdc
Output Voltage (5.0 mA
I
O
1.0 A, P
D
15 W)
V
O
Vdc
14.5 Vdc
V
in
27 Vdc
11.4
12
12.6
15.5 Vdc
V
in
27 Vdc
11.4
12
12.6
Line Regulation, T
J
= 25
°
C (Note 17)
Reg
line
mV
14.5 Vdc
V
in
30 Vdc
7.5
240
3.8
24
16 Vdc
V
in
22 Vdc
2.2
120
0.3
24
14.8 Vdc
V
in
27 Vdc, I
O
= 1.0 A
48
Load Regulation, T
J
= 25
°
C (Note 17)
Reg
load
1.6
240
8.1
60
mV
5.0 mA
I
O
1.5 A
Quiescent Current
I
B
3.4
8.0
3.4
6.5
mA
Quiescent Current Change
I
B
mA
14.5 Vdc
V
in
30 Vdc, I
O
= 1.0 A, T
J
= 25
°
C
0.7
15 Vdc
V
in
30 Vdc
1.0
0.8
5.0 mA
I
O
1.0 A
0.5
0.5
Ripple Rejection
RR
60
55
60
dB
15 Vdc
V
in
25 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
1.1
1.1
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
0.8
0.8
mV/
°
C
16.T
low
= 0
°
C for MC78XXAC, C
=
40
°
C for MC78XXB, MC78XXAB, NCV7805
17.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.
T
= +125
°
C for MC78XXAC, C, NCV7805
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