SQ4946EY-T1-E3

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, compact design
• Package: TO-220, SOT-223
• Essence: Regulates input voltage to a stable output voltage
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.2V to 20V
• Output Current: 1A
• Dropout Voltage: 300mV at 1A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

• Pin 1: Input Voltage (VIN)
• Pin 2: Ground (GND)
• Pin 3: Output Voltage (VOUT)

Functional Features

• High Efficiency: Minimizes power loss
• Low Dropout Voltage: Suitable for low input-output voltage differentials
• Compact Design: Space-saving and versatile

Advantages

• Stable Output: Provides consistent voltage regulation
• Wide Input Voltage Range: Versatile for various applications
• Thermal Shutdown Protection: Safeguards against overheating

Disadvantages

• Limited Output Current: Not suitable for high-power applications
• Temperature Sensitivity: Performance may vary with temperature changes

Working Principles

The SQ4946EY-T1-E3 utilizes internal circuitry to compare the output voltage to a reference voltage and adjusts the pass device to maintain a stable output voltage.

Detailed Application Field Plans

• Automotive Electronics: Powering sensors, actuators, and control modules
• Consumer Electronics: Battery-powered devices, portable equipment
• Industrial Control Systems: Powering microcontrollers, sensors, and interface circuits

Detailed and Complete Alternative Models

• LM317: Adjustable voltage regulator with higher output current capability
• LM7805: Fixed 5V voltage regulator with wider temperature range

---

This comprehensive entry provides an in-depth understanding of the SQ4946EY-T1-E3 voltage regulator, including its specifications, features, advantages, and application fields.