SI4442DY-T1-E3

Product Overview

• Belongs to: Integrated Circuits (ICs)
• Category: Power Management ICs
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, small package size
• Package: SOIC-8
• Essence: Regulates voltage for various electronic devices
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage: 2.5V to 6.5V
• Output Voltage: Adjustable from 0.8V to 5.5V
• Output Current: 500mA
• Dropout Voltage: 300mV at 500mA
• Operating Temperature: -40°C to 125°C

Detailed Pin Configuration

• Pin 1: Enable
• Pin 2: Vout
• Pin 3: GND
• Pin 4: NC
• Pin 5: Vin
• Pin 6: NC
• Pin 7: NC
• Pin 8: Vref

Functional Features

• Internal Thermal Shutdown
• Current Limit Protection
• Stable with Low ESR Ceramic Capacitors

Advantages and Disadvantages

• Advantages:
  • High efficiency
  • Wide input voltage range
  • Small package size
• Disadvantages:
  • Limited output current
  • Sensitive to load transients

Working Principles

The SI4442DY-T1-E3 is a voltage regulator that maintains a stable output voltage regardless of variations in the input voltage or load current. It achieves this by using feedback control to adjust the output voltage.

Detailed Application Field Plans

This voltage regulator is commonly used in battery-powered devices, portable electronics, and low-power applications where a stable voltage supply is essential.

Detailed and Complete Alternative Models

• LM1117MPX-ADJ/NOPB
• MIC5205-3.3YM5-TR
• MAX8881EUT33+T

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