S-1137D31-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 - 6.0V
• Output Voltage Range: 0.8V - 5.0V
• Dropout Voltage: 200mV at 500mA
• Maximum Output Current: 1A
• Quiescent Current: 75µA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137D31-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: VOUT (Output Voltage) Pin 4: NC (No Connection) 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 devices with higher current requirements.
• Adjustable output voltage provides flexibility in meeting specific voltage level requirements.
• Enable pin allows for easy on/off control of the regulator.

Advantages

• Wide input voltage range accommodates various power supply sources.
• Excellent line and load regulation ensure stable output voltage under different operating conditions.
• Low quiescent current minimizes power consumption in standby mode.
• Small package size (SOT-23-5) enables space-saving designs.

Disadvantages

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

Working Principles

The S-1137D31-U5T1G is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from the output, adjusting the pass transistor's resistance to maintain a stable output voltage level.

Detailed Application Field Plans

The S-1137D31-U5T1G is commonly used in various electronic devices and systems where a stable and regulated voltage supply is required. Some typical application fields include: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

• S-1137D30-U5T1G: Similar specifications but with a fixed output voltage of 3.0V.
• S-1137D33-U5T1G: Similar specifications but with a fixed output voltage of 3.3V.
• S-1137D50-U5T1G: Similar specifications but with a fixed output voltage of 5.0V.

Note: These alternative models provide fixed output voltages, unlike the adjustable output voltage of the S-1137D31-U5T1G.

This concludes the encyclopedia entry for the S-1137D31-U5T1G voltage regulator IC.