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參數(shù)資料
| 型號： | MC7800A |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | 1.0 A Positive Voltage Regulators(1.0 A 正向穩(wěn)壓器) |
| 中文描述： | 1.0一個正電壓穩(wěn)壓器（1.0甲正向穩(wěn)壓器） |
| 文件頁數(shù)： | 8/20頁 |
| 文件大?。?/td> | 204K |
| 代理商： | MC7800A |
MC7800, MC7800A, LM340, LM340A Series, NCV7805
http://onsemi.com
8
ELECTRICAL CHARACTERISTICS (continued)
(V
in
= 19 V, I
O
= 500 mA, T
J
= T
low
to T
high
[Note 1], unless
otherwise noted.)
MC7812B
MC7812C/LM340T–12
Characteristic
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
Output Noise Voltage (T
A
= 25
°
C)
10 Hz
≤
f
≤
100 kHz
V
n
–
10
–
–
10
–
μ
V/V
O
Output Resistance f = 1.0 kHz
r
O
–
1.1
–
–
1.1
–
m
Short Circuit Current Limit (T
A
= 25
°
C)
V
in
= 35 Vdc
Peak Output Current (T
J
= 25
°
C)
I
SC
–
0.2
–
–
0.2
–
A
I
max
–
2.2
–
–
2.2
–
A
Average Temperature Coefficient of Output Voltage
TCV
O
–
–0.8
–
–
–0.8
–
mV/
°
C
ELECTRICAL CHARACTERISTICS
(V
in
= 19 V, I
O
= 1.0 A, T
J
= T
low
to T
high
[Note 1], unless otherwise noted.)
MC7812AB/MC7812AC/LM340AT–12
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (T
J
= 25
°
C)
V
O
11.75
12
12.25
Vdc
Output Voltage (5.0 mA
≤
I
O
≤
1.0 A, P
D
≤
15 W)
14.8 Vdc
≤
V
in
≤
27 Vdc
Line Regulation (Note 2)
14.8 Vdc
≤
V
in
≤
30 Vdc, I
O
= 500 mA
16 Vdc
≤
V
in
≤
22 Vdc, I
O
= 1.0 A
14.5 Vdc
≤
V
in
≤
27 Vdc, T
J
= 25
°
C
Load Regulation (Note 2)
5.0 mA
≤
I
O
≤
1.5 A, T
J
= 25
°
C
5.0 mA
≤
I
O
≤
1.0 A
Quiescent Current
V
O
11.5
12
12.5
Vdc
Reg
line
mV
–
–
–
3.8
2.2
6.0
18
20
120
Reg
load
mV
–
–
–
–
25
25
I
B
–
3.4
6.0
mA
Quiescent Current Change
15 Vdc
≤
V
in
≤
30 Vdc, I
O
= 500 mA
14.8 Vdc
≤
V
in
≤
27 Vdc, T
J
= 25
°
C
5.0 mA
≤
I
O
≤
1.0 A, T
J
= 25
°
C
Ripple Rejection
15 Vdc
≤
V
in
≤
25 Vdc, f = 120 Hz, I
O
= 500 mA
Dropout Voltage (I
O
= 1.0 A, T
J
= 25
°
C)
I
B
mA
–
–
–
–
–
–
0.8
0.8
0.5
RR
55
60
–
dB
V
I
– V
O
–
2.0
–
Vdc
Output Noise Voltage (T
A
= 25
°
C)
10 Hz
≤
f
≤
100 kHz
V
n
–
10
–
μ
V/V
O
Output Resistance (f = 1.0 kHz)
r
O
–
1.1
–
m
Short Circuit Current Limit (T
A
= 25
°
C)
V
in
= 35 Vdc
Peak Output Current (T
J
= 25
°
C)
I
SC
–
0.2
–
A
I
max
–
2.2
–
A
Average Temperature Coefficient of Output Voltage
TCV
O
–
–0.8
–
mV/
°
C
1. T
low
= 0
°
C for MC78XXAC, C, LM340AT–XX, LM340T–XX
=
40
°
C for MC78XXB, MC78XXAB, NCV7805
2. 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, LM340AT–XX, LM340T–XX, NCV7805
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MC7800AE | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:1.0 A Positive Voltage Regulators |
| MC7805 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:穩(wěn)壓器 1.0A Positive Voltage Regulators |
| MC7805.2CT | 制造商:ON Semiconductor 功能描述: |
| MC7805A | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3-Terminal 1A Positive Voltage Regulator |
| MC7805ABD2T | 功能描述:線性穩(wěn)壓器 - 標準 5V 1A Postive RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
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