S-1137D28-U5T1U

Basic Information Overview

• Category: Electronic Component
• Use: Voltage Regulator
• Characteristics: High Efficiency, Low Dropout Voltage
• Package: TO-252-5L (DPAK)
• Essence: Regulates voltage to a stable level
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V - 28V
• Output Voltage Range: 2.5V - 5.5V
• Output Current: 3A
• Dropout Voltage: 0.25V @ 3A
• Quiescent Current: 100µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. NC (No Connection)
5. VOUT (Output Voltage)

Functional Features

• High efficiency up to 95%
• Low dropout voltage ensures stable output even with low input voltage
• Built-in overcurrent protection
• Thermal shutdown protection prevents overheating
• Fast transient response for sudden load changes

Advantages

• Wide input voltage range allows for versatile applications
• Compact package size for space-constrained designs
• Low quiescent current minimizes power consumption
• Excellent line and load regulation for accurate voltage control

Disadvantages

• Limited output current may not be suitable for high-power applications
• Requires external capacitors for stability
• Higher cost compared to traditional linear regulators

Working Principles

The S-1137D28-U5T1U is a voltage regulator that maintains a stable output voltage regardless of variations in the input voltage. It utilizes a feedback mechanism to continuously adjust the internal circuitry, ensuring the desired output voltage is maintained. The regulator operates by comparing the output voltage with a reference voltage and adjusting the internal pass transistor accordingly.

Detailed Application Field Plans

The S-1137D28-U5T1U is commonly used in various electronic devices that require a stable power supply. Some typical applications include: - Battery-powered devices - Portable audio players - Wireless communication systems - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

1. S-1137D33-U5T1U: Similar to S-1137D28-U5T1U, but with an output voltage range of 2.8V - 5.5V.
2. S-1137D25-U5T1U: Similar to S-1137D28-U5T1U, but with an output voltage range of 2.5V - 4.5V.
3. S-1137D30-U5T1U: Similar to S-1137D28-U5T1U, but with an output voltage range of 3.0V - 5.5V.

These alternative models provide flexibility in choosing the appropriate output voltage range for specific applications.

In conclusion, the S-1137D28-U5T1U is a voltage regulator with high efficiency, low dropout voltage, and excellent stability. It finds wide application in various electronic devices, providing a reliable power supply solution.