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LP3871的基本参数
  • 制造厂商:TI
  • 产品类别:电源管理
  • 技术类目:线性和低压降 (LDO) 稳压器
  • 功能描述:具有电源正常指示和使能功能的 800mA、7V、低压降稳压器
  • 点击这里打开及下载LP3871的技术文档资料
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LP3871的产品详情:

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).

LP3871的优势和特性:
  • 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
LP3871的参数(英文):
  • Output options
  • Fixed Output
  • Iout (Max) (A)
  • 0.8
  • Vin (Max) (V)
  • 7
  • Vin (Min) (V)
  • 2.5
  • Vout (Max) (V)
  • 5
  • Vout (Min) (V)
  • 1.8
  • Fixed output options (V)
  • 1.8, 2.5, 3.3, 5
  • Noise (uVrms)
  • 100
  • Iq (Typ) (mA)
  • 5
  • Thermal resistance θJA (°C/W)
  • 40
  • Rating
  • Catalog
  • Load capacitance (Min) (μF)
  • 10
  • Regulated outputs (#)
  • 1
  • Features
  • Enable, Power good
  • Accuracy (%)
  • 2
  • Dropout voltage (Vdo) (Typ) (mV)
  • 240
  • Operating temperature range (C)
  • -40 to 125
LP3871具体的完整产品型号参数及价格(美元):

LP3871的完整型号有:LP3871EMP-1.8/NOPB、LP3871EMP-2.5/NOPB、LP3871EMP-3.3/NOPB、LP3871EMP-5.0/NOPB、LP3871EMPX-3.3/NOPB、LP3871ES-1.8/NOPB、LP3871ES-2.5/NOPB、LP3871ES-3.3/NOPB、LP3871ESX-1.8/NOPB、LP3871ESX-2.5/NOPB、LP3871ESX-3.3/NOPB,以下是这些产品的关键参数及官网采购报价:

LP3871EMP-1.8/NOPB,工作温度:-40 to 125,封装:SOT-223 (NDC)-5,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LP3871EMP-1.8/NOPB的批量USD价格:1.046(1000+)

LP3871EMP-2.5/NOPB,工作温度:-40 to 125,封装:SOT-223 (NDC)-5,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LP3871EMP-2.5/NOPB的批量USD价格:1.046(1000+)

LP3871EMP-3.3/NOPB,工作温度:-40 to 125,封装:SOT-223 (NDC)-5,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LP3871EMP-3.3/NOPB的批量USD价格:1.255(1000+)

LP3871EMP-5.0/NOPB,工作温度:-40 to 125,封装:SOT-223 (NDC)-5,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LP3871EMP-5.0/NOPB的批量USD价格:1.046(1000+)

LP3871EMPX-3.3/NOPB,工作温度:-40 to 125,封装:SOT-223 (NDC)-5,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LP3871EMPX-3.3/NOPB的批量USD价格:1.046(1000+)

LP3871ES-1.8/NOPB,工作温度:-40 to 125,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LP3871ES-1.8/NOPB的批量USD价格:1.255(1000+)

LP3871ES-2.5/NOPB,工作温度:-40 to 125,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LP3871ES-2.5/NOPB的批量USD价格:1.255(1000+)

LP3871ES-3.3/NOPB,工作温度:-40 to 125,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LP3871ES-3.3/NOPB的批量USD价格:1.255(1000+)

LP3871ESX-1.8/NOPB,工作温度:-40 to 125,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:500个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LP3871ESX-1.8/NOPB的批量USD价格:1.046(1000+)

LP3871ESX-2.5/NOPB,工作温度:-40 to 125,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:500个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LP3871ESX-2.5/NOPB的批量USD价格:1.046(1000+)

LP3871ESX-3.3/NOPB,工作温度:-40 to 125,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:500个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LP3871ESX-3.3/NOPB的批量USD价格:1.046(1000+)

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LP3871的评估套件:

LP3871EMP-1.8/NOPB,工作温度:-40 to 125,封装:SOT-223 (NDC)-5,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LP3871EMP-1.8/NOPB的批量USD价格:1.046(1000+)

LP3871EMP-2.5/NOPB,工作温度:-40 to 125,封装:SOT-223 (NDC)-5,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LP3871EMP-2.5/NOPB的批量USD价格:1.046(1000+)

LP3871EMP-3.3/NOPB,工作温度:-40 to 125,封装:SOT-223 (NDC)-5,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LP3871EMP-3.3/NOPB的批量USD价格:1.255(1000+)

LP3871EMP-5.0/NOPB,工作温度:-40 to 125,封装:SOT-223 (NDC)-5,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LP3871EMP-5.0/NOPB的批量USD价格:1.046(1000+)

LP3871EMPX-3.3/NOPB,工作温度:-40 to 125,封装:SOT-223 (NDC)-5,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LP3871EMPX-3.3/NOPB的批量USD价格:1.046(1000+)

LP3871ES-1.8/NOPB,工作温度:-40 to 125,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LP3871ES-1.8/NOPB的批量USD价格:1.255(1000+)

LP3871ES-2.5/NOPB,工作温度:-40 to 125,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LP3871ES-2.5/NOPB的批量USD价格:1.255(1000+)

LP3871ES-3.3/NOPB,工作温度:-40 to 125,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LP3871ES-3.3/NOPB的批量USD价格:1.255(1000+)

LP3871ESX-1.8/NOPB,工作温度:-40 to 125,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:500个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LP3871ESX-1.8/NOPB的批量USD价格:1.046(1000+)

LP3871ESX-2.5/NOPB,工作温度:-40 to 125,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:500个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LP3871ESX-2.5/NOPB的批量USD价格:1.046(1000+)

LP3871ESX-3.3/NOPB,工作温度:-40 to 125,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:500个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LP3871ESX-3.3/NOPB的批量USD价格:1.046(1000+)

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