參數(shù)資料
型號： MC7818
廠商： ON SEMICONDUCTOR
元件分類： 基準電壓源/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)： 17/32頁
文件大小： 270K
代理商： MC7818
MC7800, MC7800A, NCV7805
http://onsemi.com
17
ELECTRICAL CHARACTERISTICS
(V
in
= 33 V, I
O
= 500 mA, T
J
= T
low
to T
high
(Note 28), unless otherwise noted)
MC7824B
MC7824C
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
23
24
25
23
24
25
Vdc
V
O
Vdc
27 Vdc
≤
V
in
≤
38 Vdc
-
-
-
22.8
24
25.2
28 Vdc
≤
V
in
≤
38 Vdc
22.8
24
25.2
-
-
-
Line Regulation, (Note 29)
Reg
line
mV
27 Vdc
≤
V
in
≤
38 Vdc
-
11.5
480
-
2.7
60
30 Vdc
≤
V
in
≤
36 Vdc
-
3.8
240
-
2.7
48
Load Regulation, (Note 29)
Reg
load
-
2.1
480
-
4.4
65
mV
5.0 mA
≤
I
O
≤
1.5 A
Quiescent Current
I
B
-
3.6
8.0
-
3.6
6.5
mA
Quiescent Current Change
I
B
mA
27 Vdc
≤
V
in
≤
38 Vdc
-
-
-
-
-
1.0
5.0 mA
≤
I
O
≤
1.0 A
-
-
0.5
-
-
0.5
Ripple Rejection
RR
-
54
-
50
54
-
dB
28 Vdc
≤
V
in
≤
38 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
-
1.4
-
-
1.4
-
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
-
-2.0
-
-
-2.0
-
mV/
°
C
28.T
low
= 0
°
C for MC78XXAC, CT
=
40
°
C for MC78XXB, MC78XXAB, NCV7805
29.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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相關代理商/技術參數(shù)
參數(shù)描述
MC7818A 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3-Terminal 1A Positive Voltage Regulator
MC7818AC 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
MC7818ACD2T 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
MC7818ACT 功能描述:線性穩(wěn)壓器 - 標準 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 負載調節(jié): 最大輸入電壓:5.5 V 線路調整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L
MC7818ACTG 功能描述:線性穩(wěn)壓器 - 標準 18V 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 負載調節(jié): 最大輸入電壓:5.5 V 線路調整率: 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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