Datasheet > LM117JAN_15

LM117JAN_15

更新时间： 2024-10-02 01:20:51

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LM117JAN 3-Terminal Adjustable Regulator

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LM117JAN_15 数据手册

LM117JAN

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SNVS365A –MARCH 2006–REVISED MARCH 2013

LM117JAN 3-Terminal Adjustable Regulator

Check for Samples: LM117JAN

Also, it makes an especially simple adjustable

FEATURES

switching regulator, a programmable output regulator,

or by connecting a fixed resistor between the

adjustment pin and output, the LM117 can be used

•

Specified 0.5A or 1.5A Output Current

Adjustable Output Down to 1.2V

Current Limit Constant with Temperature

80 dB Ripple Rejection

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.

Output is Short-circuit Protected

For the negative complement, see LM137 series data

sheet.

DESCRIPTION

The LM117 adjustable 3-terminal positive voltage

regulator is capable of supplying either 0.5A or 1.5A

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. Further, both line and load

regulation are better than standard fixed regulators.

Connection Diagrams

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.

CASE IS OUTPUT

Figure 1. (TO-3)

Metal Can Package

Bottom View

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.

Steel Package

Package Number K0002C

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.

CASE IS OUTPUT

Figure 2. (TO)

Metal Can Package

Bottom View

Package Number NDT0003A

Table 1. LM117 Series Packages

Part Number Suffix

Package

Design Load Current

TO-3

1.5A

0.5A

NDT

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...24

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与LM117JAN_15相关器件

型号	品牌	获取价格	描述	数据表
LM117JAN-SP	TI	获取价格	LM117JAN 3-Terminal Adjustable Regulator
LM117K	TI	获取价格	LM117/LM317A/LM317-N 3-Terminal Adjustable Regulator
LM117K	NSC	获取价格	3-Terminal Adjustable Regulator
LM117K	SEME-LAB	获取价格	POSITIVE ADJUSTABLE VOLTAGE REGULATOR
LM117K	STMICROELECTRONICS	获取价格	1.2V TO 37V VOLTAGE REGULATOR
LM117K STEEL	TI	获取价格	具有短路保护功能的扩展温度 1.5A 可调线性稳压器 \| NDS \| 2 \| -55 to
LM117K STEEL/NOPB	TI	获取价格	具有短路保护功能的扩展温度 1.5A 可调线性稳压器 \| NDS \| 2 \| -55 to
LM117K/883	TI	获取价格	LM117QML 3-Terminal Adjustable Regulator
LM117K/883	NSC	获取价格	3-Terminal Adjustable Regulator
LM117K/883A	Linear	获取价格	ADJUSTABLE POSITIVE REGULATOR, MBFM2

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