LP3852 - 1.5A 快速响应超低压降线性稳压器

LP3852是TI德州仪器公司的一款单通道LDO产品，LP3852是1.5A 快速响应超低压降线性稳压器，本站介绍了LP3852的封装应用图解、特点和优点、功能等，并给出了与LP3852相关的TI元器件型号供参考。

LP3852 - 1.5A 快速响应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 Supply Voltage: 2.5 V to 7 V
Ultra-Low Dropout Voltage
Stable with Selected Ceramic Capacitors
Low Ground-Pin Current
Load Regulation of 0.06%
10-nA Quiescent Current in Shutdown Mode
Specified Output Current of 1.5 A DC
Output Voltage Accuracy ± 1.5%
ERROR Pin Indicates Output Status
SENSE Option Improves Load Regulation
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 LP3852 and LP3855 series of fast ultra-low dropout linear regulators operate from a 2.5-V to 7-V input supply. A 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 LP3852 and LP3855 are developed on a CMOS process which allows low quiescent-current operation independent of output load current, typically 4 mA at 1.5-A load current. This CMOS process also allows the LP3852 and LP3855 to operate under extremely low dropout conditions, typically 24 mV at 150-mA load current and 240 mV at 1.5-A load current.

The LP3852 has an ERROR pin; it goes low when the output voltage drops 10% below nominal value. The LP3855 has a SENSE pin to improves regulation at remote loads.

The LP3852 and LP3855 are available with fixed output voltages from 1.8 V to 5 V with a specified accuracy of ±1.5% at room temperature, and ±3% over all conditions (varying line, load, and temperature). Contact Texas Instruments Sales for specific voltage option needs.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LP3852 LP3855	SOT (5)	6.50 mm x 3.56 mm
	TO-263 (5)	10.16 mm x 8.42 mm
	TO-220 (5)	14.986 mm x 10.16 mm

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