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參數(shù)資料
| 型號： | LM7812C |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | series voltage regulators |
| 中文描述： | 系列電壓穩(wěn)壓器 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 147K |
| 代理商： | LM7812C |
Electrical Characteristics LM78XXC
(Note 2) (Continued)
0C
≤
T
J
≤
125C unless otherwise noted.
Output Voltage
5V
10V
Typ
2.1
12V
19V
Typ
1.5
15V
23V
Typ
1.2
Input Voltage (unless otherwise noted)
Parameter
Short-Circuit
Current
Peak Output
Current
Average TC of
V
OUT
Input Voltage
Required to
Maintain
Line Regulation
Units
Symbol
Conditions
Min
Max
Min
Max
Min
Max
Tj = 25C
A
Tj = 25C
2.4
2.4
2.4
A
0C
≤
Tj
≤
+125C, I
O
= 5 mA
0.6
1.5
1.8
mV/C
V
IN
Tj = 25C, I
O
≤
1A
7.5
14.6
17.7
V
Note 1:
Thermal resistance of the TO-3 package (K, KC) is typically 4C/W junction to case and 35C/W case to ambient. Thermal resistance of the TO-220 package
(T) is typically 4C/W junction to case and 50C/W case to ambient.
Note 2:
All characteristics are measured with capacitor across the input of 0.22 μF, and a capacitor across the output of 0.1μF.All characteristics except noise voltage
and ripple rejection ratio are measured using pulse techniques (t
w
≤
10 ms, duty cycle
≤
5%). Output voltage changes due to changes in internal temperature must
be taken into account separately.
Note 3:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. For guaranteed specifications and the test conditions, see Elec-
trical Characteristics.
L
www.national.com
4
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM7812CK | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Voltage Regulators |
| LM7812CT | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) REGULATOR 12V 1A 4% 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(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| LM7812CT | 制造商:Fairchild Semiconductor Corporation 功能描述:V REG 14.5V TO 35V TO-220 制造商:Fairchild Semiconductor Corporation 功能描述:V REG, 14.5V TO 35V, TO-220 |
| LM7812CT/NOPB | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 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(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| LM7812CT_12 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3-Terminal 1A Positive Voltage Regulator |
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