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參數(shù)資料
| 型號： | LM137MR |
| 英文描述： | Negative Adjustable Voltage Regulator |
| 中文描述： | 可調(diào)負電壓穩(wěn)壓器 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大小： | 273K |
| 代理商： | LM137MR |
LM237, LM337
3-TERMINAL ADJUSTABLE REGULATORS
SLVS047G – NOVEMBER 1981 – REVISED SEPTEMBER 2003
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
schematic diagram
ADJUSTMENT
OUTPUT
INPUT
absolute maximum ratings over operating temperature ranges (unless otherwise noted)
Input-to-output differential voltage, V
I
– V
O
Operating virtual junction temperature, T
J
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
Storage temperature range, T
stg
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
–40 V
150
°
C
260
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–65
°
C to 150
°
C
package thermal data (see Note 1)
PACKAGE
PowerFLEX
(KTE)
BOARD
θ
JC
3
°
C/W
θ
JA
23
°
C/W
High K, JESD 51-5
PowerFLEX
(KTP)
High K, JESD 51-5
19
°
C/W
28
°
C/W
TO-220 (KC)
High K, JESD 51-5
3
°
C/W
19
°
C/W
NOTE 1: Maximum power dissipation is a function of TJ(max),
θ
JA, and TA. The maximum allowable power dissipation at any allowable ambient
temperature is PD = (TJ(max) – TA)/
θ
JA. Operating at the absolute maximum TJ of 150
°
C can affect reliability.
recommended operating conditions
MIN
MAX
UNIT
IO
Output current
|VI – VO|
≤
40 V,
|VI – VO|
≤
10 V,
P
≤
15 W
P
≤
15 W
10
1500
mA
6
1500
150
TJ
Operating virtual junction temperature
LM237
–25
°
C
LM337
0
125
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| LM137R-8QR-B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage Regulator |
| LM137SG | 制造商:SEME-LAB 制造商全稱:Seme LAB 功能描述:1.5 AMP NEGATIVE ADJUSTABLE VOLTAGE REGULATOR |
| LM137SMD | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage Regulator |
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