Datasheet > LP2980-N

LP2980-N

更新时间： 2024-11-22 12:04:55

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德州仪器 - TI		稳压器
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描述
Micropower 50 mA Ultra Low-Dropout Regulator In SOT-23 Package

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LP2980-N 数据手册

LP2980-N

www.ti.com

SNOS733M –APRIL 2000–REVISED JUNE 2013

LP2980-N Micropower 50 mA Ultra Low-Dropout Regulator In SOT-23 Package

Check for Samples: LP2980-N

FEATURES

DESCRIPTION

The LP2980-N is a 50 mA, fixed-output voltage

regulator designed specifically to meet the

requirements of battery-powered applications.

•

Ultra Low Dropout Voltage

•

Output Voltage Accuracy 0.5% (A Grade)

Ensured 50 mA Output Current

Using an optimized VIP (Vertically Integrated PNP)

Requires Only 1 μF External Capacitance

< 1 μA Quiescent Current When Shutdown

Low Ground Pin Current at all Load Currents

High Peak Current Capability (150 mA Typical)

Wide Supply Voltage Range (16V Max)

Fast Dynamic Response to Line and Load

Low Z_OUTOver Wide Frequency Range

process,

the

LP2980-N

delivers

unequaled

performance in all specifications critical to battery-

powered designs:

Dropout Voltage. Typically 120 mV @ 50 mA load,

and 7 mV @ 1 mA load.

Ground Pin Current. Typically 375 μA @ 50 mA

load, and 80 μA @ 1 mA load.

Sleep Mode. Less than 1 μA quiescent current when

ON/OFF pin is pulled low.

Over-Temperature and Over-Current

Protection

Minimum Part Count. Requires only 1 μF of external

•

−40°C to +125°C Junction Temperature Range

capacitance on the regulator output.

APPLICATIONS

Precision Output. 0.5% tolerance output voltages

available (A grade).

•

Cellular Phone

Palmtop/Laptop Computer

Personal Digital Assistant (PDA)

Camcorder, Personal Stereo, Camera

5.0V, 4.7V, 3.3V, 3.0V and 2.5V versions available as

standard products.

Block Diagram

Figure 1.

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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LP2980-N 替代型号

型号	品牌	替代类型	描述	数据表
LP3995	TI	功能相似	Micropower 150-mA CMOS Voltage Regulator With Active Shutdown
LP3878-ADJ	TI	功能相似	Micropower 800-mA Low-Noise
LP38691	TI	功能相似	LP38693 500mA Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors

与LP2980-N相关器件

型号	品牌	获取价格	描述	数据表
LP2981	TI	获取价格	100-MA ULTRA DROPOUT REGULATOR WITH SHUTDOWN
LP2981	NSC	获取价格	Micropower 100 mA Ultra Low-Dropout Regulator
LP2981	HGSEMI	获取价格	LDO/VLDO低压差稳压器
LP2981_07	TI	获取价格	100-mA ULTRA-LOW DROPOUT REGULATOR WITH SHUTDOWN
LP2981_08	TI	获取价格	100-mA ULTRA-LOW DROPOUT REGULATOR WITH SHUTDOWN
LP2981-125DBVR	TI	获取价格	100-MA ULTRA DROPOUT REGULATOR WITH SHUTDOWN
LP2981-125DBVT	TI	获取价格	100-MA ULTRA DROPOUT REGULATOR WITH SHUTDOWN
LP2981-125YEQR	TI	获取价格	1.25V FIXED POSITIVE LDO REGULATOR, 0.375V DROPOUT, PBGA5, CSP-5
LP2981-125YZQR	TI	获取价格	1.25V FIXED POSITIVE LDO REGULATOR, 0.375V DROPOUT, PBGA5, LEAD FREE, CSP-5
LP2981-125YZUR	TI	获取价格	1.25V FIXED POSITIVE LDO REGULATOR, 0.375V DROPOUT, PBGA5, LEAD FREE, CSP-5

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