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LP3855 - 产品图解：
LP3855-1.5A 快速响应超低压降线性稳压器
LP3855-单通道LDO-线性稳压器(LDO)-电源管理
LP3855-LP385x 1.5-A Fast Response Ultra-Low Dropout Linear Regulators
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TI产品 - LP3855介绍

LP3855 - 1.5A 快速响应超低压降线性稳压器

LP3855是TI德州仪器公司的一款单通道LDO产品，LP3855是1.5A 快速响应超低压降线性稳压器，本站介绍了LP3855的封装应用图解、特点和优点、功能等，并给出了与LP3855相关的TI元器件型号供参考。

LP3855 - 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 NUMBERPACKAGEBODY SIZE (NOM)
LP3852 LP3855SOT (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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