LP38503-ADJ

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3A、可调节超低压降稳压器

产品详情

Output options Adjustable Output Iout (max) (A) 3 Vin (max) (V) 5.5 Vin (min) (V) 2.7 Vout (max) (V) 5 Vout (min) (V) 0.6 Noise (µVrms) 100 Iq (typ) (mA) 2 Thermal resistance θJA (°C/W) 33 Rating Catalog Load capacitance (min) (µF) 10 Regulated outputs (#) 1 Accuracy (%) 2 PSRR at 100 KHz (dB) 25 Dropout voltage (Vdo) (typ) (mV) 420 Operating temperature range (°C) -40 to 125
Output options Adjustable Output Iout (max) (A) 3 Vin (max) (V) 5.5 Vin (min) (V) 2.7 Vout (max) (V) 5 Vout (min) (V) 0.6 Noise (µVrms) 100 Iq (typ) (mA) 2 Thermal resistance θJA (°C/W) 33 Rating Catalog Load capacitance (min) (µF) 10 Regulated outputs (#) 1 Accuracy (%) 2 PSRR at 100 KHz (dB) 25 Dropout voltage (Vdo) (typ) (mV) 420 Operating temperature range (°C) -40 to 125
TO-263 (KTT) 5 154.8384 mm² 10.16 x 15.24 TO-263 (NDQ) 5 142.3416 mm² 10.16 x 14.01
  • Input Voltage: 2.7 V to 5.5 V
  • Adjustable Output Voltage: 0.6 V
    to 5 V
  • FlexCap: Stable with Ceramic, Tantalum,
    or Aluminum Capacitors
  • Stable With 10-µF Input and
    Output Capacitors
  • Low Ground-Pin Current
  • 25-nA Quiescent Current in Shutdown Mode
  • Ensured Output Current of 3 A
  • Ensured VADJ Accuracy of
    ±1.5% at 25°C (A Grade)
  • Ensured Accuracy of ±3.5% at
    25°C (STD)
  • Overtemperature and Overcurrent Protection
  • ENABLE (EN) Pin (LP38501 only)
  • –40°C to +125°C Operating
    Temperature Range
  • Input Voltage: 2.7 V to 5.5 V
  • Adjustable Output Voltage: 0.6 V
    to 5 V
  • FlexCap: Stable with Ceramic, Tantalum,
    or Aluminum Capacitors
  • Stable With 10-µF Input and
    Output Capacitors
  • Low Ground-Pin Current
  • 25-nA Quiescent Current in Shutdown Mode
  • Ensured Output Current of 3 A
  • Ensured VADJ Accuracy of
    ±1.5% at 25°C (A Grade)
  • Ensured Accuracy of ±3.5% at
    25°C (STD)
  • Overtemperature and Overcurrent Protection
  • ENABLE (EN) Pin (LP38501 only)
  • –40°C to +125°C Operating
    Temperature Range

TI’s FlexCap low-dropout (LDO) linear regulators feature unique compensation that allow use of any type of output capacitor with no limits on minimum or maximum equivalent series resistance (ESR). The LP38501 and LP38503 series of LDOs operate from a 2.7-V to 5.5-V input supply. These ultra-low-dropout linear regulators respond very quickly to step changes in load, making them suitable for low-voltage microprocessor applications. Developed on a CMOS process (utilizing a PMOS pass transistor) the LP38501-ADJ and LP38503-ADJ have low quiescent currents that change little with load current.

  • GND Pin Current: Typically 2 mA at 3-A load current.
  • Disable Mode: Typically 25-nA quiescent current when the EN pin is pulled low.
  • Simplified Compensation: Stable with any type of output capacitor, regardless of ESR.
  • Precision Output: grade versions available with 1.5% VADJ tolerance (25°C) and 3% over line, load, and temperature.

TI’s FlexCap low-dropout (LDO) linear regulators feature unique compensation that allow use of any type of output capacitor with no limits on minimum or maximum equivalent series resistance (ESR). The LP38501 and LP38503 series of LDOs operate from a 2.7-V to 5.5-V input supply. These ultra-low-dropout linear regulators respond very quickly to step changes in load, making them suitable for low-voltage microprocessor applications. Developed on a CMOS process (utilizing a PMOS pass transistor) the LP38501-ADJ and LP38503-ADJ have low quiescent currents that change little with load current.

  • GND Pin Current: Typically 2 mA at 3-A load current.
  • Disable Mode: Typically 25-nA quiescent current when the EN pin is pulled low.
  • Simplified Compensation: Stable with any type of output capacitor, regardless of ESR.
  • Precision Output: grade versions available with 1.5% VADJ tolerance (25°C) and 3% over line, load, and temperature.

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类型 标题 下载最新的英语版本 日期
* 数据表 LP3850x-ADJ, LP3850xA-ADJ 3-A FlexCap Low Dropout Linear Regulator for 2.7-V to 5.5-V Inputs 数据表 (Rev. I) PDF | HTML 2015年 8月 27日
应用手册 AN-2219 Precision Current Limiting with the LMP8646 and LP38501 (Rev. A) 2013年 4月 24日

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TO-263 (KTT) 5 查看选项
TO-263 (NDQ) 5 查看选项

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  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
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  • 制造厂地点
  • 封装厂地点

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