參數(shù)資料
型號: LM340T-12
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Series 3-Terminal Positive Regulators
中文描述: 12 V FIXED POSITIVE REGULATOR, PSFM3
封裝: POWER, PLASTIC, TO-220, 3 PIN
文件頁數(shù): 2/20頁
文件大小: 205K
代理商: LM340T-12
LM340, A Series
2
MOTOROLA ANALOG IC DEVICE DATA
MAXIMUM RATINGS
(TA = +25
°
C unless otherwise noted.)
Rating
Symbol
Value
Unit
Input Voltage (5.0 V – 18 V)
Input Voltage
(24 V)
Vin
35
40
Vdc
Power Dissipation and Thermal Characteristics
Plastic Package
TA = +25
°
C
Derate above TA = +25
°
C
Thermal Resistance, Junction–to–Air
TC= +25
°
C
Derate above TC = +75
°
C (See Figure 1)
Thermal Resistance, Junction–to–Case
PD
1/
θ
JA
θ
JA
PD
1/
θ
JA
θ
JC
Internally Limited
15.4
65
Internally Limited
200
5.0
W
mW/
°
C
°
C/W
W
mW/
°
C
°
C/W
Storage Temperature Range
Tstg
TJ
–65 to +150
°
C
Operating Junction Temperature Range
0 to +150
°
C
Representative Schematic Diagram
1.0k
210
Input
16k
6.7V
300
1.0k
100
200
3.6k
6.4k
520
3.0k
5.6k
10pF
300
13
0.12
Output
200
50
2.6k
6.0k
40
pF
Gnd
2.8k
3.9k
2.0k
6.0k
1.0k
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