LP3871 - 0.8A 快速超低压降线性稳压器

LP3871是TI德州仪器公司的一款单通道LDO产品，LP3871是0.8A 快速超低压降线性稳压器，本站介绍了LP3871的封装应用图解、特点和优点、功能等，并给出了与LP3871相关的TI元器件型号供参考。

LP3871 - 0.8A 快速超低压降线性稳压器 - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品特性

Input Voltage: 2.5 V to 7 V
Ultra-Low-Dropout Voltage
Low Ground Pin Current
Load Regulation of 0.04%
10-nA Quiescent Current in Shutdown Mode
Specified Output Current of 0.8-A DC
Output Voltage Accuracy ±1.5%
ERROR Flag Indicates Output Status
SENSE Option Improves Load Regulation
Minimum Output Capacitor Requirements
Overtemperature/Overcurrent Protection
−40°C to +125°C Junction Temperature Range

产品应用

Microprocessor Power Supplies
GTL, GTL+, BTL, and SSTL Bus Terminators
Power Supplies for DSPs
SCSI Terminator
Post Regulators
High-Efficiency Linear Regulators
Battery Chargers
Other Battery-Powered Applications

产品说明

The LP3871 and LP3874 series of fast ultra-low-dropout linear regulators operate from a 2.5-V to 7-V input supply. Wide range of preset output voltage options are available. These ultra-low-dropout linear regulators respond very quickly to step changes in load, which makes them suitable for low voltage microprocessor applications. The devices are developed on a CMOS process which allows low quiescent current operation independent of output load current. This CMOS process also allows the LP3871 and LP3874 to operate under extremely low dropout conditions.

Dropout Voltage: Ultra-low-dropout voltage; typically 24 mV at 80-mA load current and 240 mV at 0.8-A load current.

Ground Pin Current: Typically 6 mA at 0.8-A load current.

Shutdown Mode: Typically 10-nA quiescent current when the SD pin is pulled low.

ERROR Flag: ERROR flag goes low when the output voltage drops 10% below nominal value.

SENSE: SENSE pin improves regulation at remote loads.

Precision Output Voltage: Multiple output voltage options are available ranging from 1.8 V to 5 V with a ensured accuracy of ±1.5% at room temperature, and ±3% over all conditions (varying line, load, and temperature).

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LP3871 LP3874	SOT-223 (5)	6.50 mm x 3.56 mm
LP3871 LP3874	DDPAK/ TO-263 (5)	10.16 mm x 8.42 mm

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