LM317LIPK

更新时间： 2024-11-18 12:01:27

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
17页	936K
描述
3-TERMINAL ADJUSTABLE REGULATOR

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LM317LIPK 数据手册

LM317L

www.ti.com

SLCS144D –JULY 2004–REVISED OCTOBER 2011

3-TERMINAL ADJUSTABLE REGULATOR

Check for Samples: LM317L

FEATURES

•

Output Voltage Range Adjustable 1.2 V to 32 V

When Used With External Resistor Divider

•

Output Regulation Typically 0.5%

Ripple Rejection Typically 80 dB

•

Output Current Capability of 100 mA

For Higher Output Current Requirements,

See LM317M (500 mA) and LM317 (1.5 A)

Input Regulation Typically 0.01% Per

Input-Voltage Change

D PACKAGE

(TOP VIEW)

PW PACKAGE

(TOP VIEW)

INPUT

OUTPUT

INPUT

OUTPUT

ADJUSTMENT

NC – No internal connection

OUTPUT terminals are all internally connected.

NC – No internal connection

LP PACKAGE

(TOP VIEW)

PK PACKAGE

(TOP VIEW)

INPUT

OUTPUT

ADJUSTMENT

DESCRIPTION/ORDERING INFORMATION

The LM317L is an adjustable three-terminal positive-voltage regulator capable of supplying 100 mA over an

output-voltage range of 1.2 V to 32 V. It is exceptionally easy to use and requires only two external resistors to

set the output voltage.

In addition to higher performance than fixed regulators, this regulator offers full overload protection, available

only in integrated circuits. Included on the chip are current-limiting and thermal-overload protection. All

overload-protection circuitry remains fully functional even when ADJUSTMENT is disconnected. Normally, no

capacitors are needed unless the device is situated far from the input filter capacitors, in which case an input

bypass is needed. An optional output capacitor can be added to improve transient response. ADJUSTMENT can

be bypassed to achieve very high ripple rejection, which is difficult to achieve with standard three-terminal

regulators.

In addition to replacing fixed regulators, the LM317L regulator 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. Its primary

application is that of a programmable output regulator, but by connecting a fixed resistor between ADJUSTMENT

and OUTPUT, this device can be used as a precision current regulator. Supplies with electronic shutdown can be

achieved by clamping ADJUSTMENT to ground, programming the output to 1.2 V, where most loads draw little

current.

The LM317LC is characterized for operation over the virtual junction temperature range of 0°C to 125°C. The

LM317LI is characterized for operation over the virtual junction temperature range of –40°C to 125°C.

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.

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...17

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LM317LIPK 替代型号

型号	品牌	替代类型	描述	数据表
LM317LIPKG3	TI	类似代替	100mA、35V 可调节线性稳压器 \| PK \| 3 \| -40 to 125
LM317LCPKG3	TI	类似代替	100mA、35V 可调节线性稳压器 \| PK \| 3 \| 0 to 125
LM317LCPK	TI	类似代替	3-TERMINAL ADJUSTABLE REGULATOR

与LM317LIPK相关器件

型号	品牌	获取价格	描述	数据表
LM317LIPKG3	TI	获取价格	100mA、35V 可调节线性稳压器 \| PK \| 3 \| -40 to 125
LM317LIPW	TI	获取价格	3-TERMINAL ADJUSTABLE REGULATOR
LM317LIPWG4	TI	获取价格	3/8 Pin 100mA Adjustable Positive Regulator 8-TSSOP -40 to 125
LM317LIPWR	TI	获取价格	3-TERMINAL ADJUSTABLE REGULATOR
LM317LITP	TI	获取价格	LM317L 3-Terminal Adjustable Regulator
LM317LITP	NSC	获取价格	IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PBGA6, MO-211BC, MICRO, SMD-6, Adjustabl
LM317LITP/NOPB	TI	获取价格	100mA、40V、高 PSRR、可调节线性稳压器 \| YPB \| 6 \| -40 to
LM317LITPX	NSC	获取价格	IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PBGA6, MO-211BC, MICRO, SMD-6, Adjustabl
LM317LITPX	TI	获取价格	LM317L 3-Terminal Adjustable Regulator
LM317LITPX/NOPB	TI	获取价格	100mA、40V、高 PSRR、可调节线性稳压器 \| YPB \| 6 \| -40 to

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