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LP2980

更新时间： 2024-01-16 04:36:02

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

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LP2980 数据手册

LP2980-N

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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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与LP2980相关器件

型号	品牌	获取价格	描述	数据表
LP2980-ADJ	NSC	获取价格	Micropower SOT, 50 mA Ultra Low-Dropout Adjustable Voltage Regulator
LP2980-ADJ	TI	获取价格	具有使能功能的 50mA、16V、可调节低压降稳压器
LP2980-ADJEP	NSC	获取价格	Micropower SOT, 50 mA Ultra Low-Dropout Adjustable Voltage Regulator
LP2980AIBP-3.3	NSC	获取价格	Micropower 50 mA Ultra Low-Dropout Regulator
LP2980AIBP-3.3/NOPB	TI	获取价格	3.3 V FIXED POSITIVE LDO REGULATOR, 0.225 V DROPOUT, PBGA5
LP2980AIBP-5.0	NSC	获取价格	Micropower 50 mA Ultra Low-Dropout Regulator
LP2980AIBP-5.0/NOPB	TI	获取价格	5V FIXED POSITIVE LDO REGULATOR, 0.225V DROPOUT, PBGA5, MICRO, BUMP, SMD-5
LP2980AIBPX-3.3	NSC	获取价格	Micropower 50 mA Ultra Low-Dropout Regulator
LP2980AIBPX-3.3/NOPB	TI	获取价格	3.3V FIXED POSITIVE LDO REGULATOR, 0.225V DROPOUT, PBGA5, MICRO, BUMP, SMD-5
LP2980AIBPX-5.0	NSC	获取价格	Micropower 50 mA Ultra Low-Dropout Regulator

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