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LP3882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:1.5A、超低压降稳压器
  • 点击这里打开及下载LP3882的技术文档资料
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LP3882的产品详情:

The LP3882 is a high current, fast response regulator which can maintain output voltage regulation with minimum input to output voltage drop. Fabricated on a CMOS process, the device operates from two input voltages: Vbias provides voltage to drive the gate of the N-MOS power transistor, while Vin is the input voltage which supplies power to the load. The use of an external bias rail allows the part to operate from ultra low Vin voltages. Unlike bipolar regulators, the CMOS architecture consumes extremely low quiescent current at any output load current. The use of an N-MOS power transistor results in wide bandwidth, yet minimum external capacitance is required to maintain loop stability.

The fast transient response of these devices makes them suitable for use in powering DSP, Microcontroller Core voltages and Switch Mode Power Supply post regulators. The parts are available in TO-220, DDPAK/TO-263 and SO PowerPad packages.

Dropout Voltage: 110 mV (typ) at 1.5A load current.

Ground Pin Current: 3 mA (typ) at full load.

Shutdown Current: 60 nA (typ) when S/D pin is low.

Precision Output Voltage: 1.5% room temperature accuracy.

LP3882的优势和特性:
  • Ultra Low Dropout Voltage (110 mV at 1.5A typ)
  • Low Ground Pin Current
  • Load Regulation of 0.04%/A
  • 60 nA Typical Quiescent Current in Shutdown
  • 1.5% Output Accuracy (25°C)
  • TO-220, DDPAK/TO-263 and SO PowerPad Packages
  • Over Temperature/Over Current Protection
  • ?40°C to +125°C Junction Temperature Range

All trademarks are the property of their respective owners.

LP3882的参数(英文):
  • Output options
  • Fixed Output
  • Iout (Max) (A)
  • 1.5
  • Vin (Max) (V)
  • 5.5
  • Vin (Min) (V)
  • 1.31
  • Vout (Max) (V)
  • 1.8
  • Vout (Min) (V)
  • 1.2
  • Fixed output options (V)
  • 1.2, 1.5, 1.8
  • Noise (uVrms)
  • 90
  • Iq (Typ) (mA)
  • 4
  • Thermal resistance θJA (°C/W)
  • 40
  • Rating
  • Catalog
  • Load capacitance (Min) (μF)
  • 4.7
  • Regulated outputs (#)
  • 1
  • Features
  • Accuracy (%)
  • 2
  • PSRR @ 100 KHz (dB)
  • 45
  • Dropout voltage (Vdo) (Typ) (mV)
  • 110
  • Operating temperature range (C)
  • -40 to 125
LP3882具体的完整产品型号参数及价格(美元):

LP3882的完整型号有:LP3882EMR-1.2/NOPB、LP3882EMR-1.5/NOPB、LP3882EMR-1.8/NOPB、LP3882EMRX-1.2/NOPB、LP3882ES-1.2/NOPB、LP3882ES-1.5/NOPB、LP3882ESX-1.2/NOPB、LP3882ESX-1.5/NOPB,以下是这些产品的关键参数及官网采购报价:

LP3882EMR-1.2/NOPB,工作温度:-40 to 125,封装:SO PowerPAD (DDA)-8,包装数量MPQ:95个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LP3882EMR-1.2/NOPB的批量USD价格:2.574(1000+)

LP3882EMR-1.5/NOPB,工作温度:-40 to 125,封装:SO PowerPAD (DDA)-8,包装数量MPQ:95个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LP3882EMR-1.5/NOPB的批量USD价格:2.145(1000+)

LP3882EMR-1.8/NOPB,工作温度:-40 to 125,封装:SO PowerPAD (DDA)-8,包装数量MPQ:95个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LP3882EMR-1.8/NOPB的批量USD价格:2.145(1000+)

LP3882EMRX-1.2/NOPB,工作温度:-40 to 125,封装:SO PowerPAD (DDA)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LP3882EMRX-1.2/NOPB的批量USD价格:2.145(1000+)

LP3882ES-1.2/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LP3882ES-1.2/NOPB的批量USD价格:2.574(1000+)

LP3882ES-1.5/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LP3882ES-1.5/NOPB的批量USD价格:2.574(1000+)

LP3882ESX-1.2/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LP3882ESX-1.2/NOPB的批量USD价格:2.145(1000+)

LP3882ESX-1.5/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LP3882ESX-1.5/NOPB的批量USD价格:2.145(1000+)

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LP3882的评估套件:

MLTLDO2EVM-037 — 用于 DCY、DDA 和 KVU 封装的通用 LDO 线性稳压器评估模块

借助采用多种封装选项的 MLTLDO2EVM-037 低压降 (LDO) 评估模块 (EVM),设计工程师能评估可能用于其自身电路应用的线性稳压器采用多种常见封装时的运行情况和性能。这种 EVM 配置包含一个 DDA、3 引脚和 5 引脚 KVU 以及 DCY 封装,便于工程师焊接和评估部件。

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