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Home » NEWEST Products » New by Manufacturer » Texas Instruments » LP38798 800mA Linear Regulator - TI
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Texas Instruments LP38798 800mA Linear Regulator

Texas Instruments LP38798 800mA Linear Regulator

Texas Instruments LP38798 Linear Regulator is a high-performance device capable of supplying 800mA output current. Designed to meet the requirements of sensitive RF/Analog circuitry, TI LP38798-ADJ implements a novel linear topology on an advanced CMOS process to deliver ultra-low output noise and high PSRR at switching power supply frequencies. LP38798SD-ADJ is stable with both ceramic and tantalum output capacitors and requires a minimum output capacitance of only 1µF for stability. LP38798-ADJ can operate over a wide input voltage range (3.0V to 20V), making it well-suited for many post-regulation applications. LP38798EVM evaluation board is designed to demonstrate the capabilities of the LP38798SD-ADJ. The EVM is intended to provide a flexible circuit configurations and access to points of interest.

  • Ultra-Low Output Noise: 5µVRMS (10Hz to 100 kHz)
  • High PSRR: 90 dB at 10 kHz, 60dB at 100kHz
  • Wide Operating Input Voltage Range: 3.0V to 20V
  • ±1.0% Output Voltage Initial Accuracy (TJ = 25°C)
  • Very Low Dropout: 200mV (Typical) at 800mA
  • Stable with Ceramic or Tantalum Output Capacitors
  • Excellent Line and Load Transient Response
  • Current Limit and Over-Temperature Protection
  • RF and VCO Power
  • Wireless LAN Devices
  • Wireless Cable Modems
  • Low Noise Post-Regulation

Typical Application Circuit
Typical Application Circuit

Block Diagram
Block Diagram
  • Texas Instruments