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AP7381-33SA-7

Fixed-Output Low Dropout Regulator

AP7381-33SA-7 is a Diodes Incorporated fixed 3.3 V low dropout regulator delivering up to 80 mA from a compact 3-lead SOT-23. Low dropout voltage and low quiescent current with built-in overcurrent and thermal protection make it a simple, robust point-of-load for appliances, lighting and portable designs.

ManufacturerDiodes Incorporated
PackageSOT-23 (SA), 3-lead; Tape & Reel (-7 suffix)
SeriesAP7381

Power IC Specifications

ParameterValue / Specification
Function / TopologyFixed-output linear low dropout (LDO) regulator
Input VoltageUp to 12 V maximum input (confirm exact rating by datasheet)
Output Voltage / CurrentFixed 3.3 V output, up to 80 mA output current
FeaturesLow dropout voltage and low quiescent current with built-in overcurrent and thermal protection
Quiescent CurrentLow quiescent current suited to always-on standby rails
RegulationTight line and load regulation for stable point-of-load rails
Temperature Grade-40 °C to +85 °C operating range
Package / CaseSOT-23 (SA), 3-lead; Tape & Reel (-7 suffix)

Power Features & Applications

  • Fixed 3.3 V output in a minimal 3-lead SOT-23 footprint
  • Up to 80 mA output current for low-power loads
  • Low dropout voltage extends usable battery or adapter range
  • Low quiescent current suits always-on standby rails
  • Built-in overcurrent and thermal shutdown protection
  • Tape and reel packing for volume assembly

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Frequently Asked Questions

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