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Linear & low-dropout (LDO) regulators

LP38513-ADJ

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3-A, adjustable ultra-low-dropout voltage regulator with low-noise & enable

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Data sheet

LP38513-ADJ

ACTIVE
Data sheet Order now

Product details

Output options Adjustable Output Iout (max) (A) 3 Vin (max) (V) 5.5 Vin (min) (V) 2.25 Vout (max) (V) 5 Vout (min) (V) 0.5 Rating Catalog Noise (µVrms) 25 PSRR at 100 KHz (dB) 28 Iq (typ) (mA) 8 Thermal resistance θJA (°C/W) 67 Load capacitance (min) (µF) 10 Regulated outputs (#) 1 Features Enable Accuracy (%) 2 Dropout voltage (Vdo) (typ) (mV) 470 Operating temperature range (°C) -40 to 125
Output options Adjustable Output Iout (max) (A) 3 Vin (max) (V) 5.5 Vin (min) (V) 2.25 Vout (max) (V) 5 Vout (min) (V) 0.5 Rating Catalog Noise (µVrms) 25 PSRR at 100 KHz (dB) 28 Iq (typ) (mA) 8 Thermal resistance θJA (°C/W) 67 Load capacitance (min) (µF) 10 Regulated outputs (#) 1 Features Enable Accuracy (%) 2 Dropout voltage (Vdo) (typ) (mV) 470 Operating temperature range (°C) -40 to 125
TO-263 (NDQ) 5 142.3416 mm² 10.16 x 14.01
  • 2.25V to 5.5V Input Voltage Range
  • Adjustable Output Voltage Range of 0.5V to 4.5V
  • 3.0A Output Load Current
  • ±2.0% Accuracy over Line, Load, and Full-Temperature Range from -40°C to +125°C
  • Stable with tiny 10 µF ceramic capacitors
  • Enable pin
  • Typically less than 1 µA of Ground pin current when Enable pin is low
  • 25dB of PSRR at 100 kHz
  • Over-Temperature and Over-Current Protection
  • TO-263 THIN 5-Pin Surface Mount Package

All trademarks are the property of their respective owners.

  • 2.25V to 5.5V Input Voltage Range
  • Adjustable Output Voltage Range of 0.5V to 4.5V
  • 3.0A Output Load Current
  • ±2.0% Accuracy over Line, Load, and Full-Temperature Range from -40°C to +125°C
  • Stable with tiny 10 µF ceramic capacitors
  • Enable pin
  • Typically less than 1 µA of Ground pin current when Enable pin is low
  • 25dB of PSRR at 100 kHz
  • Over-Temperature and Over-Current Protection
  • TO-263 THIN 5-Pin Surface Mount Package

All trademarks are the property of their respective owners.

The LP38513-ADJ Fast-Transient Response Low-Dropout Voltage Regulator offers the highest-performance in meeting AC and DC accuracy requirements for powering Digital Cores. The LP38513-ADJ uses a proprietary control loop that enables extremely fast response to change in line conditions and load demands. Output Voltage DC accuracy at 2.5% over line, load and full temperature range from -40°C to +125°C. The LP38513-ADJ is designed for inputs from the 2.5V, 3.3V, and 5.0V rail, is stable with 10 μF ceramic capacitors, and has an adjustable output voltage. The LP38513-ADJ provides excellent transient performance to meet the demand of high performance digital core ASICs, DSPs, and FPGAs found in highly-intensive applications such as servers, routers/switches, and base stations.

The LP38513-ADJ Fast-Transient Response Low-Dropout Voltage Regulator offers the highest-performance in meeting AC and DC accuracy requirements for powering Digital Cores. The LP38513-ADJ uses a proprietary control loop that enables extremely fast response to change in line conditions and load demands. Output Voltage DC accuracy at 2.5% over line, load and full temperature range from -40°C to +125°C. The LP38513-ADJ is designed for inputs from the 2.5V, 3.3V, and 5.0V rail, is stable with 10 μF ceramic capacitors, and has an adjustable output voltage. The LP38513-ADJ provides excellent transient performance to meet the demand of high performance digital core ASICs, DSPs, and FPGAs found in highly-intensive applications such as servers, routers/switches, and base stations.
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Type Title Date
* Data sheet 3A Fast-Transient Response Adjustable Low-Dropout Linear Voltage Regulator datasheet (Rev. C) 01 Apr 2013
EVM User's guide AN-1670 LP38513TJ-ADJ Evaluation Board (Rev. B) 24 Apr 2013
Application note AN-1797 TO-263 THIN Package (Rev. A) 24 Apr 2013

Design & development

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Evaluation board

LP38513TJ-ADJEV — LP38513-ADJ 3A Fast-Transient Response Adj Low-Dropout Linear Voltage Regulator EVM

LP38513-ADJ 3A Fast-Transient Response Adjustable Low-Dropout Linear Voltage Regulator Evaluation Board

User guide: PDF
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