LM117NDT/EM

更新时间： 2024-10-02 11:06:43

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
36页	1265K
描述
耐辐射 QMLV、4.2V 至 40V 输入、1.5A 可调输出线性稳压器 \| NDT \| 3 \| 25 to 25

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LM117NDT/EM 数据手册

LM117QML, LM117QML-SP

www.ti.com

SNVS356D –MARCH 2006–REVISED APRIL 2013

LM117QML 3-Terminal Adjustable Regulator

Check for Samples: LM117QML, LM117QML-SP

FEATURES

DESCRIPTION

The LM117 series of adjustable 3-terminal positive

•

Available with Radiation Ensured

voltage regulators is capable of supplying either 0.5A

or 1.5A over a 1.2V to 37V output range. They are

exceptionally easy to use and require only two

external resistors to set the output voltage. Further,

both line and load regulation are better than standard

fixed regulators.

–

High Dose Rate 100 krad(Si)

ELDRS Free 100 krad(Si)

•

Specified max. 0.3% Load Regulation (LM117)

Specified 0.5A or 1.5A Output Current

Adjustable Output Down to 1.2V

In addition to higher performance than fixed

regulators, the LM117 series offers full overload

protection available only in IC's. 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.

Current Limit Constant with Temperature

80 dB Ripple Rejection

Output is Short-Circuit Protected

Normally, no capacitors are needed unless the device

is situated more than 6 inches from the input filter

capacitors in which case an input bypass is needed.

An optional 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.

Besides replacing fixed regulators, the LM117 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,

i.e., avoid short-circuiting the output.

Also, it makes an especially simple adjustable

switching regulator, a programmable output regulator,

or by connecting a fixed resistor between the

adjustment pin and output, the LM117 can be used

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.

For the negative complement, see LM137 series data

sheet.

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...36

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与LM117NDT/EM相关器件

型号	品牌	获取价格	描述	数据表
LM117QML	TI	获取价格	LM117QML 3-Terminal Adjustable Regulator
LM117QML-SP	TI	获取价格	耐辐射 QMLV、4.2V 至 40V 输入、1.5A 可调输出线性稳压器
LM117R	SEME-LAB	获取价格	POSITIVE ADJUSTABLE VOLTAGE REGULATOR
LM117S	ETC	获取价格	Positive Adjustable Voltage Regulator
LM117SMD	SEME-LAB	获取价格	POSITIVE ADJUSTABLE VOLTAGE REGULATOR
LM117SMD05	SEME-LAB	获取价格	POSITIVE ADJUSTABLE VOLTAGE REGULATOR
LM117SMD-8QR-B	ETC	获取价格	Voltage Regulator
LM117T	ETC	获取价格	Positive Adjustable Voltage Regulator
LM117WG/883	ETC	获取价格	Positive Adjustable Voltage Regulator
LM117WG-MLS	NSC	获取价格	IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, CDSO16, CERAMIC, SOIC-16, Adjustable Pos

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