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參數(shù)資料
| 型號： | MC78T12AC |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
| 中文描述： | 三端固定電壓調節(jié)器 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大小： | 44K |
| 代理商： | MC78T12AC |
MC78TXX
3
Electrical Characteristics(MC78T12)
(Continued)
(V
I
= 19V, I
O
= 3.0 A, 0
°
C
≤
T
J
≤
+125
°
C, Po
≤
P
MAX
(Note1), unless otherwise specified. )
Note:
1. Although power dissipation is internally limited, specifications apply only for P
O
≤
Pmax, Pmax = 25W
2. Load and line regulation are specified at constant junction temperature. Change in Vo due heating effects must be taken into
account separately. Pulse testing with low duty is used. ( P
MAX
= 25W)
Parameter
Symbol
Conditions
Min.
11.5
11.4
Typ.
12
12
Max.
12.5
12.8
Unit
Output Voltage
Vo
5mA
≤
Io
≤
3.0A , T
J
=+25
°
C
14.5V
≤
VI
≤
27V, 5mA
≤
Io
≤
2.0A
14.5V
≤
VI
≤
35V, Io=5mA, T
J
=+25
°
C
14.5V
≤
VI
≤
35V, Io=1.0A, T
J
=+25
°
C
14.9V
≤
VI
≤
28V, Io =2.0A, T
J
=+25
°
C
16V
≤
VI
≤
22V, Io =3.0A, T
J
=+25
°
C
5mA
≤
Io
≤
3.0A, T
J
=+25
°
C
5mA
≤
Io
≤
3.0A
Pulse =10ms, P = 20W
TA = +25
°
C
5mA
≤
Io
≤
3.0A, T
J
=+25
°
C
5mA
≤
Io
≤
3.0A
14.5V
≤
VI
≤
35V, Io = 5mA
T
J
=+25
°
C ;
14.9V
≤
VI
≤
27V, Io =2.0A ;
5mA
≤
Io
≤
3.0A, T
J
=+25
°
C
f = 120Hz, 15V
≤
V
I
≤
25V, Io
=
2.0A
T
J
=+25
°
C
Io = 3A,T
J
=+25
°
C
T
A
=+25
°
C, 10Hz
≤
f
≤
100kHz
T
A
=+25
°
C
f = 1.0kHz
VI = 35V, T
J
=+25
°
C
V
Line Regulation (Note2)
V
O
-
6.0
45
mV
Load Regulation (Note2)
V
O
-
10
15
30
80
mV
mV
Thermal Regulation
REG
T
-
0.002
0.03
%Vo/W
Quiescent Current
I
Q
-
3.5
4.0
5.0
6.0
mA
mA
Quiescent Current Change
I
Q
-
0.1
0.8
mA
Ripple Rejection
RR
-
67
-
dB
Dropout Voltage
Output Noise Voltage
Peak Output Current
Output Resistance
Short Circuit Current Limit
Average Temperature
Coefficient of Output Voltage
V
O
/
T
V
D
V
N
I
PK
Ro
Isc
-
-
-
-
-
2.2
10
5.0
2.0
1.5
2.5
-
-
-
2.5
V
μ
V/Vo
A
m
A
Io = 5.0mA
-
0.5
-
mV/
°
C
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相關代理商/技術參數(shù) |
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| MC78T12ACT | 功能描述:IC REG LDO 12V 3A TO220AB RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品變化通告:Heatsink Pkg Change 09/Oct/2007 標準包裝:50 系列:- 穩(wěn)壓器拓撲結構:正，固定式 輸出電壓:24V 輸入電壓:最高 40 V 電壓 - 壓降（標準）:2V @ 1A 穩(wěn)壓器數(shù)量:1 電流 - 輸出:1A 電流 - 限制（最?。?- 工作溫度:0°C ~ 125°C 安裝類型:通孔 封裝/外殼:TO-220-3 供應商設備封裝:TO-220-3 包裝:管件 |
| MC78T12BT | 制造商:ON Semiconductor 功能描述:IC, LDO VOLT REG, 12V, 3A, TO-220, Primary Input Voltage:22V, Output Voltage Fix |
| MC78T12CK | 制造商:MOTOROLA 功能描述:TO-3 VOLTAGE REGULATOR |
| MC78T12CT | 功能描述:線性穩(wěn)壓器 - 標準 Positive Voltage Reg 3Terminal 3a 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 |
| MC78T12CT | 制造商:Fairchild Semiconductor Corporation 功能描述:Linear Voltage Regulator IC |
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