參數(shù)資料
型號(hào)： NCV7812BT
廠(chǎng)商： ON SEMICONDUCTOR
元件分類(lèi)： 基準(zhǔn)電壓源/電流源
英文描述： THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
中文描述： 12 V FIXED POSITIVE REGULATOR, SFM3
封裝： TO-220, 3 PIN
文件頁(yè)數(shù)： 9/32頁(yè)
文件大?。?/td> 234K
代理商： NCV7812BT
MC7800, MC7800A, NCV7805
http://onsemi.com
9
ELECTRICAL CHARACTERISTICS
(V
in
= 15 V, I
O
= 500 mA, T
J
= T
low
to T
high
(Note 13), unless otherwise noted)
MC7809B
MC7809C
Characteristic
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
Output Voltage (T
J
= 25
°
C)
V
O
8.65
9.0
9.35
8.65
9.0
9.35
Vdc
Output Voltage (5.0 mA
≤
I
O
≤
1.0 A, P
D
≤
15 W)
V
O
Vdc
11.5 Vdc
≤
V
in
≤
24 Vdc
8.55
9.0
9.45
8.55
9.0
9.45
Line Regulation, T
J
= 25
°
C (Note 14)
Reg
line
mV
11 Vdc
≤
V
in
≤
26 Vdc
6.2
32
6.2
32
11.5 Vdc
≤
V
in
≤
17 Vdc
1.8
16
1.8
16
Load Regulation, T
J
= 25
°
C (Note 14)
Reg
load
1.5
35
1.5
35
mV
5.0 mA
≤
I
O
≤
1.5 A
Quiescent Current
I
B
3.4
8.0
3.4
8.0
mA
Quiescent Current Change
I
B
mA
11.5 Vdc
≤
V
in
≤
26 Vdc
1.0
1.0
5.0 mA
≤
I
O
≤
1.0 A
0.5
0.5
Ripple Rejection
RR
56
61
56
61
dB
11.5 Vdc
≤
V
in
≤
21.5 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
1.0
1.0
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
0.5
0.5
mV/
°
C
13.T
low
= 0
°
C for MC78XXAC, C
=
40
°
C for MC78XXB, MC78XXAB, NCV7805
14.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
high
= +125
°
C for MC78XXAC, C, NCV7805
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