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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(fù)電壓穩(wěn)壓器 |
| 文件頁數(shù)： | 5/10頁 |
| 文件大小： | 273K |
| 代理商： | LM137MR |
LM237, LM337
3-TERMINAL ADJUSTABLE REGULATORS
SLVS047G – NOVEMBER 1981 – REVISED SEPTEMBER 2003
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
C1
+
C2
R1
R2
+
INPUT
OUTPUT
ADJUSTMENT
LM237
or
LM337
VO
VI
C1 is a 1-
μ
F solid tantalum capacitor required only if the regulator is more than 10 cm (4 in) from the power-supply filter capacitor.
C2 is a 1-
μ
F solid tantalum or 10-
μ
F aluminum electrolytic capacitor required for stability.
R2
R1
–VO
–1.25
1
R1 typically is 120
.
, where VO is the output in volts.
Figure 1. Adjustable Negative-Voltage Regulator
ADJUSTMENT
OUTPUT
INPUT
VI
RS
VO
LM237
or
LM337
RS =ILIMIT
Figure 2. Current-Limiting Circuit
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM237MR | Negative Adjustable Voltage Regulator |
| LM237H | NEGATIVE VOLTAGE REGULATORS THREE-TERMINAL ADJUSTABLE |
| LM237K | NEGATIVE VOLTAGE REGULATORS THREE-TERMINAL ADJUSTABLE |
| LM237SP | NEGATIVE VOLTAGE REGULATORS THREE-TERMINAL ADJUSTABLE |
| LM239AN | Quad Single Supply Comparators |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM137QML | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3-Terminal Adjustable Negative Regulators |
| LM137R | 制造商:SEME-LAB 制造商全稱:Seme LAB 功能描述:1.5 AMP NEGATIVE ADJUSTABLE VOLTAGE REGULATOR |
| 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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