S-1137A18-U5T1G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current Capability
• Package: SOT-23-5
• Essence: Regulates voltage to ensure stable power supply
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage Range: 1.8V ± 2%
• Maximum Output Current: 1.0A
• Dropout Voltage: 200mV @ 500mA
• Quiescent Current: 75µA
• Line Regulation: ±0.3% (Typical)
• Load Regulation: ±0.5% (Typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137A18-U5T1G has a total of five pins arranged in the following configuration:

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

Functional Features

• Low dropout voltage ensures efficient power conversion
• High current capability allows for powering various components
• Enable pin provides control over the regulator's operation
• Overcurrent protection safeguards connected devices
• Thermal shutdown prevents overheating

Advantages

• Stable output voltage even under varying input conditions
• Compact SOT-23-5 package saves board space
• Low quiescent current minimizes power consumption
• Wide operating temperature range enables use in harsh environments

Disadvantages

• Limited output current may not be suitable for high-power applications
• Dropout voltage may cause a slight decrease in efficiency

Working Principles

The S-1137A18-U5T1G is a linear voltage regulator that maintains a constant output voltage regardless of changes in the input voltage. It achieves this by using a pass transistor to regulate the voltage drop across it. The enable pin allows the user to control the regulator's operation, enabling or disabling the output as needed. The overcurrent protection feature ensures that the connected devices are not subjected to excessive current, while the thermal shutdown prevents the regulator from overheating.

Detailed Application Field Plans

The S-1137A18-U5T1G is commonly used in various electronic devices and systems where a stable power supply is crucial. Some typical application fields include: - Battery-powered devices - Portable consumer electronics - Industrial automation systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

• S-1137A18-I6T1G: Same specifications but in a different package (SOT-23-6)
• S-1137A18-M6T1G: Same specifications but with a higher maximum output current (1.5A)
• S-1137A18-N6T1G: Same specifications but with a lower dropout voltage (150mV @ 500mA)

Note: This is not an exhaustive list, and there may be other alternative models available from different manufacturers.

This entry provides comprehensive information about the S-1137A18-U5T1G voltage regulator. Its basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models are covered in detail.