LM137

更新时间： 2024-11-11 11:06:39

品牌	Logo	应用领域
德州仪器 - TI		电源电路线性稳压器IC
页数	文件大小	规格书
22页	2293K
描述
扩展温度 1.5A 可调节输出负电压稳压器/LDO

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LM137 数据手册

LM137, LM337-N

www.ti.com

SNVS778D –MAY 1999–REVISED APRIL 2013

LM137/LM337-N 3-Terminal Adjustable Negative Regulators

Check for Samples: LM137, LM337-N

FEATURES

DESCRIPTION

The LM137/LM337-N are adjustable 3-terminal

negative voltage regulators capable of supplying in

excess of −1.5A over an output voltage range of

−1.2V to −37V. These regulators are exceptionally

easy to apply, requiring only 2 external resistors to

set the output voltage and 1 output capacitor for

frequency compensation. The circuit design has been

optimized for excellent regulation and low thermal

transients. Further, the LM137 series features internal

current limiting, thermal shutdown and safe-area

compensation, making them virtually blowout-proof

against overloads.

•

Output Voltage Adjustable from −1.2V to −37V

1.5A Output Current Specified, −55°C to

+150°C

•

Line Regulation Typically 0.01%/V

Load Regulation Typically 0.3%

Excellent Thermal Regulation, 0.002%/W

77 dB Ripple Rejection

Excellent Rejection of Thermal Transients

50 ppm/°C Temperature Coefficient

Temperature-independent Current Limit

Internal Thermal Overload Protection

P⁺Product Enhancement Tested

Standard 3-lead Transistor Package

Output is Short Circuit Protected

The LM137/LM337-N serve

a wide variety of

applications including local on-card regulation,

programmable-output voltage regulation or precision

current regulation. The LM137/LM337-N are ideal

complements to the LM117/LM317 adjustable

positive regulators.

Table 1. LM137 Series Packages and Power

Capability

Device

Package

Rated Power

Dissipation

Design

Load

Current

LM137/337-N TO-3 (K)

TO (NDT)

20W

1.5A

0.5A

1.5A

LM337-N

TO-220 (NDE)

SOT-223 (DCY)

15W

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...22

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LM137 替代型号

型号	品牌	替代类型	描述	数据表
LM337L	TI	功能相似	100mA 负电压可调节线性稳压器
LM137H/NOPB	TI	功能相似	3-Terminal Adjustable Negative Regulators
LM120	TI	功能相似	LM120/LM320-N Series 3-Terminal Negative Regulators

与LM137相关器件

型号	品牌	获取价格	描述	数据表
LM137_08	STMICROELECTRONICS	获取价格	Three-terminal adjustable negative voltage regulators
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LM13700_16	TI	获取价格	Dual Operational Transconductance Amplifiers
LM13700A	ETC	获取价格
LM13700AN	NSC	获取价格	Dual Operational Transconductance Amplifiers with Linearizing Diodes and Buffers
LM13700AN/A+	ETC	获取价格	Transconductance Operational Amplifier
LM13700AN/B+	ETC	获取价格	Transconductance Operational Amplifier

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