LM337LMX

更新时间： 2024-11-23 12:04:47

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
13页	779K
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LM337L 3-Terminal Adjustable Regulator

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LM337LMX 数据手册

LM337L

www.ti.com

SNVS780D –MAY 1998–REVISED MAY 2013

LM337L 3-Terminal Adjustable Regulator

Check for Samples: LM337L

Normally, only a single 1μF solid tantalum output

FEATURES

capacitor is needed unless the device is situated

more than 6 inches from the input filter capacitors, in

which case an input bypass is needed. A larger

output capacitor can be added to improve transient

response. The adjustment terminal can be bypassed

to achieve very high ripple rejection ratios which are

difficult to achieve with standard 3-terminal

regulators.

•

Adjustable Output Down to 1.2V

Ensured 100mA Output Current

Line Regulation Typically 0.01%/V

Load Regulation Typically 0.1%

Current Limit Constant With Temperature

Eliminates the Need to Stock Many Voltages

Standard 3-Lead Transistor Package

80 dB Ripple Rejection

Besides replacing fixed regulators, the LM337L is

useful in a wide variety of other applications. Since

the regulator is “floating” and sees only the input-to-

output differential voltage, supplies of several

hundred volts can be regulated as long as the

maximum input-to-output differential is not exceeded.

Output is Short Circuit Protected

Available in the 6-Bump DSBGA Package

See AN-1112 (Literature Number SNVA009) for

DSBGA Considerations

Also, it makes an especially simple adjustable

switching regulator, a programmable output regulator,

or by connecting a fixed resistor between the

adjustment and output, the LM337L can be used as a

precision current regulator. Supplies with electronic

shutdown can be achieved by clamping the

adjustment terminal to ground which programs the

output to 1.2V where most loads draw little current.

DESCRIPTION

The LM337L is an adjustable 3-terminal negative

voltage regulator capable of supplying 100mA over a

1.2V to 37V output range. It is exceptionally easy to

use and requires only two external resistors to set the

output voltage. Furthermore, both line and load

regulation are better than standard fixed regulators.

Also, the LM337L is packaged in a standard TO-92

transistor package which is easy to use.

The LM337L is available in a standard TO-92

transistor package, SO-8 surface mount package,

and in our new 12 mil diameter bump DSBGA

package. The LM337L is rated for operation over a

−25°C to +125°C range.

In addition to higher performance than fixed

regulators, the LM337L offers full overload protection.

Included on the chip are current limit, thermal

overload protection and safe area protection. All

overload protection circuitry remains fully functional

even if the adjustment terminal is disconnected.

For applications requiring greater output current in

excess of 0.5A and 1.5A, see LM137 series data

sheets. For the positive complement, see series

LM117 and LM317L data sheets.

Typical Application

1.2V-25V Adjustable Regulator

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...13

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LM337LMX 替代型号

型号	品牌	替代类型	描述	数据表
LM337LM	TI	完全替代	LM337L 3-Terminal Adjustable Regulator
LM337LM/NOPB	TI	类似代替	LM337L 3-Terminal Adjustable Regulator
LM337LMX/NOPB	TI	类似代替	LM337L 3-Terminal Adjustable Regulator

与LM337LMX相关器件

型号	品牌	获取价格	描述	数据表
LM337LMX/NOPB	TI	获取价格	LM337L 3-Terminal Adjustable Regulator
LM337LZ	TI	获取价格	LM337L 3-Terminal Adjustable Regulator
LM337LZ	NSC	获取价格	3-Terminal Adjustable Regulator
LM337LZ/LFT1	TI	获取价格	LM337L 3-Terminal Adjustable Regulator
LM337LZ/LFT3	TI	获取价格	LM337L 3-Terminal Adjustable Regulator
LM337LZ/LFT4	TI	获取价格	LM337L 3-Terminal Adjustable Regulator
LM337LZ/NOPB	TI	获取价格	LM337L 3-Terminal Adjustable Regulator
LM337M	ONSEMI	获取价格	MEDIUM CURRENT THREE-TERMINAL ADJUSTABLE NEGATIVE VOLTAGE REGULATOR
LM337M/D	ONSEMI	获取价格	Three-Terminal Adjustable Output Negative Voltage Regulator
LM337MBT	MOTOROLA	获取价格	Adjustable Negative Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSFM3,

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