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LP3982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 300mA、高精度、低压降稳压器
  • 点击这里打开及下载LP3982的技术文档资料
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LP3982的产品详情:

The LP3982 low-dropout (LDO) CMOS linear regulator is available in 1.8-V, 2.5-V, 2.82-V, 3-V,
3.3-V, and adjustable versions. They deliver 300 mA of output current. Packaged in an 8-pin VSSOP, the LP3982 is pin- and package-compatible with Maxim’s MAX8860. The LM3982 is also available in the small footprint WSON package.

The LP3982 suits battery-powered applications because of its shutdown mode (1 nA typical), low quiescent current (90 µA typical), and LDO voltage (120 mV typical). The low dropout voltage allows for more utilization of a battery’s available energy by operating closer to its end-of-life voltage. The LP3982 device’s PMOS output transistor consumes relatively no drive current compared to PNP LDO regulators.

This PMOS regulator is stable with small ceramic capacitive loads (2.2 µF typical).

These devices also include regulation fault detection, a bandgap voltage reference, constant current limiting, and thermal-overload protection.

LP3982的优势和特性:
  • 2.5-V to 6-V Input Range
  • MAX8860 Pin, Package, and Specification Compatible
  • 300-mA Output Current
  • 120-mV Typical Dropout at 300 mA
  • 90-μA Typical Quiescent Current
  • 1-nA Typical Shutdown Mode
  • 60-dB Typical PSRR
  • 120-μs Typical Turnon Time
  • Stable With Small Ceramic Output Capacitors
  • 37-μVRMS Output Voltage Noise (10 Hz to 100 kHz)
  • Overtemperature/Overcurrent Protection
  • ±2% Output Voltage Tolerance
  • Create a Custom Design Using the LP3982 With the WEBENCH? Power Designer
LP3982的参数(英文):
  • Output options
  • Adjustable Output, Fixed Output
  • Iout (Max) (A)
  • 0.3
  • Vin (Max) (V)
  • 6
  • Vin (Min) (V)
  • 2.5
  • Vout (Max) (V)
  • 3.3
  • Vout (Min) (V)
  • 1.8
  • Fixed output options (V)
  • 1.8, 2.5, 2.82, 3, 3.3
  • Noise (uVrms)
  • 37
  • Iq (Typ) (mA)
  • 0.09
  • Thermal resistance θJA (°C/W)
  • 53
  • Rating
  • Catalog
  • Load capacitance (Min) (μF)
  • 2.2
  • Regulated outputs (#)
  • 1
  • Features
  • Enable, Power good
  • Accuracy (%)
  • 2
  • PSRR @ 100 KHz (dB)
  • 20
  • Dropout voltage (Vdo) (Typ) (mV)
  • 120
  • Operating temperature range (C)
  • -40 to 85
LP3982具体的完整产品型号参数及价格(美元):

LP3982的完整型号有:LP3982ILD-1.8/NOPB、LP3982ILD-2.5/NOPB、LP3982ILD-3.0/NOPB、LP3982ILD-3.3/NOPB、LP3982ILD-ADJ/NOPB、LP3982ILDX-1.8/NOPB、LP3982ILDX-3.3/NOPB、LP3982ILDX-ADJ/NOPB、LP3982IMM-1.8/NOPB、LP3982IMM-2.5/NOPB、LP3982IMM-3.0/NOPB、LP3982IMM-3.3/NOPB、LP3982IMM-ADJ、LP3982IMM-ADJ/NOPB、LP3982IMMX-1.8/NOPB、LP3982IMMX-2.5/NOPB、LP3982IMMX-2.82/NOPB、LP3982IMMX-ADJ/NOPB、LP3982IMM-3.0、LP3982IMM-3.3,以下是这些产品的关键参数及官网采购报价:

LP3982ILD-1.8/NOPB,工作温度:-40 to 85,封装:WSON (NGM)-8,包装数量MPQ:1000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LP3982ILD-1.8/NOPB的批量USD价格:.256(1000+)

LP3982ILD-2.5/NOPB,工作温度:-40 to 85,封装:WSON (NGM)-8,包装数量MPQ:1000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LP3982ILD-2.5/NOPB的批量USD价格:.213(1000+)

LP3982ILD-3.0/NOPB,工作温度:-40 to 85,封装:WSON (NGM)-8,包装数量MPQ:1000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LP3982ILD-3.0/NOPB的批量USD价格:.213(1000+)

LP3982ILD-3.3/NOPB,工作温度:-40 to 85,封装:WSON (NGM)-8,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:NIPDAU,TI官网LP3982ILD-3.3/NOPB的批量USD价格:.256(1000+)

LP3982ILD-ADJ/NOPB,工作温度:-40 to 85,封装:WSON (NGM)-8,包装数量MPQ:1000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LP3982ILD-ADJ/NOPB的批量USD价格:.256(1000+)

LP3982ILDX-1.8/NOPB,工作温度:-40 to 85,封装:WSON (NGM)-8,包装数量MPQ:4500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LP3982ILDX-1.8/NOPB的批量USD价格:.213(1000+)

LP3982ILDX-3.3/NOPB,工作温度:-40 to 85,封装:WSON (NGM)-8,包装数量MPQ:4500个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:NIPDAU,TI官网LP3982ILDX-3.3/NOPB的批量USD价格:.213(1000+)

LP3982ILDX-ADJ/NOPB,工作温度:-40 to 85,封装:WSON (NGM)-8,包装数量MPQ:4500个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:NIPDAU,TI官网LP3982ILDX-ADJ/NOPB的批量USD价格:.213(1000+)

LP3982IMM-1.8/NOPB,工作温度:-40 to 85,封装:VSSOP (DGK)-8,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LP3982IMM-1.8/NOPB的批量USD价格:.256(1000+)

LP3982IMM-2.5/NOPB,工作温度:-40 to 85,封装:VSSOP (DGK)-8,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LP3982IMM-2.5/NOPB的批量USD价格:.256(1000+)

LP3982IMM-3.0/NOPB,工作温度:-40 to 85,封装:VSSOP (DGK)-8,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LP3982IMM-3.0/NOPB的批量USD价格:.213(1000+)

LP3982IMM-3.3/NOPB,工作温度:-40 to 85,封装:VSSOP (DGK)-8,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LP3982IMM-3.3/NOPB的批量USD价格:.213(1000+)

LP3982IMM-ADJ,工作温度:-40 to 85,封装:VSSOP (DGK)-8,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:SNPB,TI官网LP3982IMM-ADJ的批量USD价格:.298(1000+)

LP3982IMM-ADJ/NOPB,工作温度:-40 to 85,封装:VSSOP (DGK)-8,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LP3982IMM-ADJ/NOPB的批量USD价格:.256(1000+)

LP3982IMMX-1.8/NOPB,工作温度:-40 to 85,封装:VSSOP (DGK)-8,包装数量MPQ:3500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LP3982IMMX-1.8/NOPB的批量USD价格:.213(1000+)

LP3982IMMX-2.5/NOPB,工作温度:-40 to 85,封装:VSSOP (DGK)-8,包装数量MPQ:3500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LP3982IMMX-2.5/NOPB的批量USD价格:.213(1000+)

LP3982IMMX-2.82/NOPB,工作温度:-40 to 85,封装:VSSOP (DGK)-8,包装数量MPQ:3500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LP3982IMMX-2.82/NOPB的批量USD价格:.213(1000+)

LP3982IMMX-ADJ/NOPB,工作温度:-40 to 85,封装:VSSOP (DGK)-8,包装数量MPQ:3500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LP3982IMMX-ADJ/NOPB的批量USD价格:.213(1000+)

LP3982IMM-3.0,工作温度:-40 to 85,封装:VSSOP (DGK)-8,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:SNPB,TI官网LP3982IMM-3.0的批量USD价格:.288(1000+)

LP3982IMM-3.3,工作温度:-40 to 85,封装:VSSOP (DGK)-8,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:SNPB,TI官网LP3982IMM-3.3的批量USD价格:.288(1000+)

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LP3982的评估套件:

TIDA-01172 — 具有单通道 LDO 且适用于 MSP430 器件的动态电压调节电源解决方案参考设计

本参考设计可节省功耗,适用于 MSP430 FRAM 器件或其他利用加电滞后功能的系统。TIDA-01172 采用可调节 LDO 和 RC 延时时间,从而由更高的启动电压转换至最终低功耗运行电压。
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