S-1137A28-U5T1G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current, Adjustable Output
• Package: SOT-23-5
• Essence: Regulates input voltage to a desired output voltage level
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 0.8V to 5.0V
• Dropout Voltage: 200mV at 500mA
• Maximum Output Current: 1A
• Quiescent Current: 75µA
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137A28-U5T1G IC 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 regulation even with small input-output voltage differentials.
• High current capability allows for powering various electronic components.
• Adjustable output voltage provides flexibility in meeting specific requirements.
• Enable pin allows for easy on/off control of the regulator.

Advantages

• Wide input voltage range enables compatibility with different power sources.
• Excellent line and load regulation ensures stable output voltage under varying conditions.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Small package size (SOT-23-5) facilitates space-constrained applications.

Disadvantages

• Dropout voltage of 200mV may limit the use in ultra-low power applications.
• Limited output current of 1A may not be sufficient for high-power devices.

Working Principles

The S-1137A28-U5T1G is a linear voltage regulator that utilizes a pass transistor to regulate the input voltage. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly to maintain a stable output voltage level.

Detailed Application Field Plans

The S-1137A28-U5T1G is commonly used in various electronic devices, including: - Battery-powered portable devices - Mobile phones and smartphones - Digital cameras - Portable audio players - Wireless communication modules

Detailed and Complete Alternative Models

• S-1137A33-U5T1G: Similar specifications but with an output voltage range of 0.8V to 3.3V.
• S-1137A50-U5T1G: Similar specifications but with an output voltage range of 0.8V to 5.0V and higher maximum output current of 1.5A.
• S-1137B28-U5T1G: Similar specifications but with an adjustable output voltage range of 0.8V to 2.8V.

Note: These alternative models are provided as examples and may not cover all available options.

This entry provides comprehensive information about the S-1137A28-U5T1G voltage regulator IC. Its basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models have been covered.