XB5333A 3.3V Low Dropout Regulator IC SOT23-5 Package
Review: 5 - "A masterpiece of literature" by John Doe, written onMay 4, 20020
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XB5306A 3.3V Low Dropout Regulator IC SOT23-6 Package
XB5306A 3.3V Low Dropout Regulator IC SOT23-6 Package
XB5306A 3.3V Low Dropout Regulator IC SOT23-6 Package_2
XB5306A 3.3V Low Dropout Regulator IC SOT23-6 Package
XB5306A 3.3V Low Dropout Regulator IC SOT23-6 Package
XB5306A 3.3V Low Dropout Regulator IC SOT23-6 Package_2

XB5333A 3.3V Low Dropout Regulator IC SOT23-5 Package

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  • Product SKU: INTEG215
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Highlights
  • Original, High Quality
  • KitsGuru Warranty
  • 3.3V Output
  • 300mA Current
  • Low Dropout ~200mV
  • SOT23-5
  • Protection Features
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Specification

Description

XB5333A Voltage Regulator IC – 3.3V Low Dropout Regulator (SOT-23-5)

The XB5333A is a high-performance, low dropout (LDO) linear voltage regulator designed to supply a fixed 3.3V output with up to 500mA of current. Packaged in a compact SOT-23-5 footprint, this IC is ideal for modern surface-mount designs in portable, IoT, and RF electronics.

It features low dropout voltage, low quiescent current, and strong power supply rejection ratio (PSRR). Built-in thermal shutdown and overcurrent protection ensure safety in demanding conditions.

Note: Use low ESR ceramic capacitors (≥1µF) on input and output for stable performance.

Technical Details

  • IC Name: XB5333A
  • Type: Fixed 3.3V Low Dropout Voltage Regulator
  • Output Voltage: 3.3V ±2%
  • Output Current: Up to 500mA
  • Input Voltage Range: 2.5V to 6.0V
  • Dropout Voltage: ~250mV @ 100mA, ~600mV @ 500mA
  • Quiescent Current: ~45µA typical
  • Line Regulation: ±0.2% typical
  • Load Regulation: ±0.4% typical
  • PSRR: ~70dB @ 1kHz
  • Internal Thermal Shutdown
  • Short Circuit and Overcurrent Protection
  • Package: SOT-23-5
  • Mounting Type: Surface Mount (SMT)
  • Operating Temperature: -40°C to +85°C

Features

  • Fixed 3.3V regulated output
  • Supports up to 500mA output current
  • Low dropout and quiescent current
  • High PSRR for noise-sensitive designs
  • Overcurrent and thermal protection built-in
  • Compact 5-pin SOT-23 package
  • Stable with low ESR ceramic capacitors

Applications

  • 3.3V power supply for microcontrollers and SoCs
  • Wi-Fi, Bluetooth, and RF modules (ESP8266, ESP32, NRF, etc.)
  • Portable and battery-powered electronics
  • Sensor modules and analog interfaces
  • DIY, wearables, and IoT development boards

Physical Attributes

  • Package: SOT-23-5
  • Pin Count: 5
  • Dimensions: ~2.9mm x 1.6mm x 1.1mm (L x W x H)
  • Mounting Type: Surface Mount (SMT)
  • Weight: ~0.05g

Package Includes

  • 1 x XB5333A 3.3V LDO Voltage Regulator IC (SOT-23-5 Package)

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