參數(shù)資料
型號: L7812
廠商: 意法半導(dǎo)體
英文描述: positive voltage regulators
中文描述: 正電壓調(diào)節(jié)器
文件頁數(shù): 2/34頁
文件大?。?/td> 1801K
代理商: L7812
L7800 SERIES
2/34
Table 1: Absolute Maximum Ratings
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is
not implied.
Table 2: Thermal Data
Figure 2: Schematic Diagram
Symbol
Parameter
Value
Unit
V
I
DC Input Voltage
for V
O
= 5 to 18V
for V
O
= 20, 24V
35
40
V
I
O
P
tot
T
stg
Output Current
Power Dissipation
Storage Temperature Range
Operating Junction Temperature
Range
Internally Limited
Internally Limited
-65 to 150
-55 to 150
0 to 150
°C
T
op
for L7800
for L7800C
°C
Symbol
Parameter
D
2
PAK
TO-220
TO-220FP TO-220FM
TO-3
Unit
R
thj-case
Thermal Resistance Junction-case Max
Thermal Resistance Junction-ambient
Max
3
5
5
5
4
°C/W
R
thj-amb
62.5
50
60
60
35
°C/W
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