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LM1117S-3.3 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
LM1117S-3.3HTC13225Yes

LM1117S-3.

The LM1117S-3.3 is a low-dropout (LDO) linear voltage regulator manufactured by HTC (HTC Korea Co., Ltd.).

Specifications:

  • Output Voltage: 3.3V (fixed)
  • Input Voltage Range: Up to 15V
  • Dropout Voltage: 1.2V (typical at 800mA load)
  • Output Current: Up to 800mA
  • Line Regulation: 0.2% (typical)
  • Load Regulation: 0.4% (typical)
  • Package: SOT-223 (Surface-Mount)
  • Operating Temperature Range: -40°C to +125°C
  • Protection Features: Overcurrent and thermal shutdown

Description:

The LM1117S-3.3 is a fixed-output LDO regulator designed to provide a stable 3.3V supply with low dropout voltage, making it suitable for battery-powered and noise-sensitive applications.

Features:

  • Low dropout voltage (1.2V typical)
  • High output current capability (800mA)
  • Stable with low-ESR capacitors (≥10μF)
  • Internal thermal and current-limit protection
  • Available in a compact SOT-223 package

This regulator is commonly used in power supplies for microcontrollers, embedded systems, and portable electronics.

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