XB3303A 3.3V Low Dropout Regulator IC SOT23-3 Package
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XB3303A 3.3V Low Dropout Regulator IC SOT23-3 Package_3
XB3303A 3.3V Low Dropout Regulator IC SOT23-3 Package
XB3303A 3.3V Low Dropout Regulator IC SOT23-3 Package_3
XB3303A 3.3V Low Dropout Regulator IC SOT23-3 Package

XB3303A 3.3V Low Dropout Regulator IC SOT23-3 Package

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  • Product SKU: INTEG211
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Highlights
  • Original, High Quality
  • KitsGuru Warranty
  • Fixed 3.3V LDO Regulator
  • SOT23-3 Package
  • Output: 300mA max
  • Input: 4.5V–6V
  • Dropout: ~250mV
  • Quiescent Current: ~60µA
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Specification

Description

XB3303A Voltage Regulator IC – 3.3V Low Dropout Regulator (SOT-23-3)

The XB3303A is a high-performance, fixed-output low dropout (LDO) linear voltage regulator designed to provide a stable 3.3V output from higher input voltages. It supports up to 300mA output current and is well-suited for powering microcontrollers, sensors, and wireless modules in compact designs.

Featuring low quiescent current and a compact SOT-23-3 package, the XB3303A is ideal for space-constrained and battery-operated applications. Integrated short circuit and thermal protection enhances reliability.

Note: Use recommended input/output capacitors (typically 1µF ceramic) for optimal performance.

Technical Details

  • IC Name: XB3303A
  • Type: Fixed 3.3V Low Dropout Voltage Regulator
  • Output Voltage: 3.3V ±2%
  • Output Current: Up to 300mA
  • Input Voltage Range: 2.8V to 6.0V
  • Dropout Voltage: ~300mV @ 100mA
  • Quiescent Current: ~35µA typical
  • Line Regulation: ±0.2% typical
  • Load Regulation: ±0.4% typical
  • Internal Thermal Shutdown
  • Short Circuit and Overcurrent Protection
  • Package: SOT-23-3
  • Mounting Type: Surface Mount (SMT)
  • Operating Temperature: -40°C to +85°C

Features

  • Fixed 3.3V regulated output
  • Delivers up to 300mA current
  • Low dropout voltage and ultra-low quiescent current
  • Integrated thermal and short circuit protection
  • Compact SOT-23-3 surface-mount package
  • Excellent line/load regulation
  • Ideal for portable and battery-powered applications

Applications

  • Microcontroller power supply (3.3V logic)
  • IoT and RF modules (e.g., ESP8266, ESP32, NRF)
  • Sensor and analog circuitry
  • Battery-operated portable devices
  • Wearables and compact electronic projects

Physical Attributes

  • Package: SOT-23-3
  • Pin Count: 3
  • Dimensions: ~2.9mm x 1.3mm x 1.0mm (L x W x H)
  • Mounting Type: Surface Mount (SMT)
  • Weight: ~0.05g

Package Includes

  • 1 x XB3303A 3.3V LDO Voltage Regulator IC (SOT-23-3 Package)

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