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Fast-Response High-Accuracy Adjustable LDO Linear Regulator with Enable and Soft-Start



  • Adjustable VOUT range of 0.80V to 1.8V
  • Wide VBIAS Supply operating range of 3.0V to 5.5V
  • Stable with 10µF Ceramic capacitors
  • Dropout voltage of 240 mV (typical) at 3A load current
  • Precision VADJ across all line and load conditions:
         - ± 1.5% VADJ for TJ = 25°C
         - ± 2.0% VADJ for 0°C ≤ T, ≤ +125°C
         - ± 3.0% VADJ for -40°C ≤ T, ≤ +125°C
  • Over-Temperature and Over-Current protection
  • -40°C to +125°C Operating Junction Temperature Range


  • ASIC Power Supplies In:
         - Desktops, Notebooks, and Graphics Cards, Servers
         - Gaming Set Top Boxes, Printers and Copiers
  • Server Core and I/O Supplies
  • DSP and FPGA Power Supplies
  • SMPS Post-Regulator


Texas Instruments  LP38853EVAL

This board is designed to allow the evaluation of the LP38853S-ADJ Voltage Regulator. Each board is assembled and tested in the factory. This evaluation board has the TO-263 7-lead package mounted, and the output voltage is set to 1.20V.