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LP5952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 350mA、低输入电压 (0.9V)、线性稳压器
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LP5952的产品详情:

The LP5952 is a dual-supply-rail linear regulator optimized for powering ultralow-voltage circuits from a single Li-Ion cell or 3-cell NiMH/NiCd battery.

In the typical post-regulation application VBATT is directly connected to the battery (range 2.5 V to
5.5 V), and VIN is supplied by the output voltage of the DC-DC converter (range 0.7 V to 4.5 V).

The device offers superior dropout and transient features combined with very low quiescent currents. In shutdown mode (Enable (EN) pin pulled low) the device turns off and reduces battery consumption to 0.1 µA (typical). The LP5952 also features internal protection against overtemperature, overcurrent, and undervoltage conditions.

Depending upon application, only one or two tiny surface-mount external components are required; performance is specified for a –40°C to +125°C junction temperature range. The device is available in fixed output voltages from 0.5 V to 2 V. For availability, please contact your local Texas Instruments sales office.

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

LP5952的优势和特性:
  • Input Voltage Range: 0.7 V to 4.5 V
  • 2.5 V ≤ VBATT ≤ 5.5 V
  • 0.5V ≤ VOUT ≤ 2 V
  • Ensured 350-mA Output Current
  • For ILOAD = 350 mA:
    • VBATT ≥ VOUT(NOM) + 1.5 V or 2.5 V (Whichever is Higher)
  • For ILOAD = 150 mA:
    • VBATT ≥ VOUT(NOM) + 1.3 V or 2.5 V (Whichever is Higher)
  • Excellent Load Transient Response: ±15 mV Typical
  • Excellent Line Transient Response: ±1 mV Typical
  • 50-μA Typical Quiescent Current from VBATT
  • 10-μA Typical Quiescent Current from VIN
  • 0.1-μA Typical Quiescent Current in Shutdown
  • Noise voltage = 100 μVRMS Typical
  • Operates from a Single Li-Ion Cell or 3-Cell NiMH/NiCd Battery
  • Thermal-Overload and Short-Circuit Protection
LP5952的参数(英文):
  • Output options
  • Fixed Output
  • Iout (Max) (A)
  • 0.35
  • Vin (Max) (V)
  • 4.5
  • Vin (Min) (V)
  • 0.9
  • Vout (Max) (V)
  • 2
  • Vout (Min) (V)
  • 0.7
  • Fixed output options (V)
  • 1, 1.2, 1.3, 1.5, 1.6, 1.8
  • Noise (uVrms)
  • 100
  • Iq (Typ) (mA)
  • 0.061
  • Thermal resistance θJA (°C/W)
  • 181
  • Rating
  • Catalog
  • Load capacitance (Min) (μF)
  • 2.2
  • Regulated outputs (#)
  • 1
  • Features
  • Enable
  • Accuracy (%)
  • 3
  • PSRR @ 100 KHz (dB)
  • 38
  • Dropout voltage (Vdo) (Typ) (mV)
  • 88, 128
  • Operating temperature range (C)
  • -40 to 125
LP5952具体的完整产品型号参数及价格(美元):

LP5952的完整型号有:LP5952LC-1.2/NOPB、LP5952LC-1.3/NOPB、LP5952LC-1.5/NOPB、LP5952LC-1.8/NOPB、LP5952TL-1.0/NOPB、LP5952TL-1.2/NOPB、LP5952TL-1.3/NOPB、LP5952TL-1.5/NOPB、LP5952TL-1.6/NOPB、LP5952TL-1.8/NOPB、LP5952TLX-1.0/NOPB、LP5952TLX-1.2/NOPB、LP5952TLX-1.5/NOPB、LP5952TLX-1.8/NOPB,以下是这些产品的关键参数及官网采购报价:

LP5952LC-1.2/NOPB,工作温度:-40 to 125,封装:USON (NKH)-6,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:NIPDAU,TI官网LP5952LC-1.2/NOPB的批量USD价格:.22(1000+)

LP5952LC-1.3/NOPB,工作温度:-40 to 125,封装:USON (NKH)-6,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:NIPDAU,TI官网LP5952LC-1.3/NOPB的批量USD价格:.22(1000+)

LP5952LC-1.5/NOPB,工作温度:-40 to 125,封装:USON (NKH)-6,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:NIPDAU,TI官网LP5952LC-1.5/NOPB的批量USD价格:.22(1000+)

LP5952LC-1.8/NOPB,工作温度:-40 to 125,封装:USON (NKH)-6,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:NIPDAU,TI官网LP5952LC-1.8/NOPB的批量USD价格:.22(1000+)

LP5952TL-1.0/NOPB,工作温度:-40 to 125,封装:DSBGA (YZR)-5,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SNAGCU,TI官网LP5952TL-1.0/NOPB的批量USD价格:.264(1000+)

LP5952TL-1.2/NOPB,工作温度:-40 to 125,封装:DSBGA (YZR)-5,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SNAGCU,TI官网LP5952TL-1.2/NOPB的批量USD价格:.264(1000+)

LP5952TL-1.3/NOPB,工作温度:-40 to 125,封装:DSBGA (YZR)-5,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SNAGCU,TI官网LP5952TL-1.3/NOPB的批量USD价格:.22(1000+)

LP5952TL-1.5/NOPB,工作温度:-40 to 125,封装:DSBGA (YZR)-5,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SNAGCU,TI官网LP5952TL-1.5/NOPB的批量USD价格:.264(1000+)

LP5952TL-1.6/NOPB,工作温度:-40 to 125,封装:DSBGA (YZR)-5,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SNAGCU,TI官网LP5952TL-1.6/NOPB的批量USD价格:.22(1000+)

LP5952TL-1.8/NOPB,工作温度:-40 to 125,封装:DSBGA (YZR)-5,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SNAGCU,TI官网LP5952TL-1.8/NOPB的批量USD价格:.264(1000+)

LP5952TLX-1.0/NOPB,工作温度:-40 to 125,封装:DSBGA (YZR)-5,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SNAGCU,TI官网LP5952TLX-1.0/NOPB的批量USD价格:.22(1000+)

LP5952TLX-1.2/NOPB,工作温度:-40 to 125,封装:DSBGA (YZR)-5,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SNAGCU,TI官网LP5952TLX-1.2/NOPB的批量USD价格:.22(1000+)

LP5952TLX-1.5/NOPB,工作温度:-40 to 125,封装:DSBGA (YZR)-5,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SNAGCU,TI官网LP5952TLX-1.5/NOPB的批量USD价格:.22(1000+)

LP5952TLX-1.8/NOPB,工作温度:-40 to 125,封装:DSBGA (YZR)-5,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SNAGCU,TI官网LP5952TLX-1.8/NOPB的批量USD价格:.22(1000+)

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LP5952的评估套件:

LP5952LC-1.5EV — LP5952LC-1.5EV 评估板

The LP5952 is a Dual Supply Rail Linear Regulator optimized for powering ultra-low voltage circuits from a single Li-Ion cell or 3 cell NiMH/NiCd batteries.

In the typical post regulation application VBATT is directly connected to the battery (range 2.5V ?5.5V) and VIN is supplied by the output (...)

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