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LP38852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:具有使能功能的 1.5A、低输入电压 (0.93V)、可调节超低压降稳压器
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LP38852的产品详情:

The LP38852-ADJ is a high-current, fast-response regulator which can maintain output voltage regulation with extremely low 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 ultralow 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 this device makes it suitable for use in powering DSP, microcontroller core voltages, and switch-mode power supply post-regulators.

130 mV (typical) at 1.5-A load current.

10 mA (typical) at 1.5-A load current.

Programmable soft-start time.

For all available packages, see the orderable addendum at the end of the data sheet.

LP38852的优势和特性:
  • Input VIN Range 0.93 V to 5.5 V
  • Adjustable VOUT Range 0.8 V to 1.8 V
  • Wide VBIAS Supply Operating Range 3 V to 5.5 V
  • Dropout Voltage of 130 mV (Typical) at 1.5-A Load Current
  • Precision Output Voltage Across All Line and Load Conditions:
    • ±1.5% VADJ for TJ = 25°C
    • ±2% VADJ for 0°C ≤ TJ ≤ +125°C
    • ±3% VADJ for –40°C ≤ TJ ≤ +125°C
  • Overtemperature and Overcurrent Protection
  • Stable with 10-μF Ceramic Capacitors
  • Available in 7-pin TO-220, 7-Pin DDPAK/TO-263, and 8-Pin SO PowerPAD Packages
  • ?40°C to +125°C Operating Junction Temperature Range
LP38852的参数(英文):
  • Output options
  • Adjustable Output
  • Iout (Max) (A)
  • 1.5
  • Vin (Max) (V)
  • 5.5
  • Vin (Min) (V)
  • 0.93
  • Vout (Max) (V)
  • 1.8
  • Vout (Min) (V)
  • 0.8
  • Noise (uVrms)
  • 90
  • Iq (Typ) (mA)
  • 10
  • Thermal resistance θJA (°C/W)
  • 34
  • Rating
  • Catalog
  • Load capacitance (Min) (μF)
  • 10
  • Regulated outputs (#)
  • 1
  • Features
  • Enable, Soft start
  • Accuracy (%)
  • 3
  • PSRR @ 100 KHz (dB)
  • 35
  • Dropout voltage (Vdo) (Typ) (mV)
  • 130
  • Operating temperature range (C)
  • -40 to 125
LP38852具体的完整产品型号参数及价格(美元):

LP38852的完整型号有:LP38852MR-ADJ/NOPB、LP38852MRX-ADJ/NOPB、LP38852S-ADJ/NOPB、LP38852SX-ADJ/NOPB、LP38852T-ADJ/NOPB,以下是这些产品的关键参数及官网采购报价:

LP38852MR-ADJ/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LP38852MR-ADJ/NOPB的批量USD价格:1.386(1000+)

LP38852MRX-ADJ/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LP38852MRX-ADJ/NOPB的批量USD价格:1.155(1000+)

LP38852S-ADJ/NOPB,工作温度:-40 to 125,封装:DDPAK/TO-263 (KTW)-7,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LP38852S-ADJ/NOPB的批量USD价格:1.386(1000+)

LP38852SX-ADJ/NOPB,工作温度:-40 to 125,封装:DDPAK/TO-263 (KTW)-7,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LP38852SX-ADJ/NOPB的批量USD价格:1.155(1000+)

LP38852T-ADJ/NOPB,工作温度:-40 to 125,封装:TO-220 (NDZ)-7,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:SN,TI官网LP38852T-ADJ/NOPB的批量USD价格:1.155(1000+)

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LP38852的评估套件:

LP38852MR-ADJ/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LP38852MR-ADJ/NOPB的批量USD价格:1.386(1000+)

LP38852MRX-ADJ/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LP38852MRX-ADJ/NOPB的批量USD价格:1.155(1000+)

LP38852S-ADJ/NOPB,工作温度:-40 to 125,封装:DDPAK/TO-263 (KTW)-7,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LP38852S-ADJ/NOPB的批量USD价格:1.386(1000+)

LP38852SX-ADJ/NOPB,工作温度:-40 to 125,封装:DDPAK/TO-263 (KTW)-7,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LP38852SX-ADJ/NOPB的批量USD价格:1.155(1000+)

LP38852T-ADJ/NOPB,工作温度:-40 to 125,封装:TO-220 (NDZ)-7,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:SN,TI官网LP38852T-ADJ/NOPB的批量USD价格:1.155(1000+)

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