S-1135A31-U5T1G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Low dropout voltage
  • High output voltage accuracy
  • Low quiescent current
  • Thermal shutdown protection
• Package: SOT-23-5
• Essence: Voltage regulation for electronic devices
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical) at 100mA load
• Output Current: 100mA (maximum)
• Quiescent Current: 30μA (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1135A31-U5T1G IC has a total of five pins arranged as follows:

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

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High output voltage accuracy provides stable voltage supply.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection prevents overheating.

Advantages and Disadvantages

Advantages: - Compact SOT-23-5 package allows for space-saving integration. - Wide input voltage range enables versatile applications. - Excellent voltage regulation performance ensures reliable operation.

Disadvantages: - Limited output current may not be suitable for high-power devices. - No adjustable output voltage option available.

Working Principles

The S-1135A31-U5T1G is a linear voltage regulator that maintains a stable output voltage regardless of variations in the input voltage. It achieves this by using a feedback mechanism to adjust the internal pass transistor, compensating for changes in load and input conditions. The device operates in a low dropout mode, minimizing power dissipation and maximizing efficiency.

Detailed Application Field Plans

The S-1135A31-U5T1G is commonly used in various electronic devices that require a regulated power supply. Some potential application fields include: - Portable consumer electronics (e.g., smartphones, tablets) - Battery-powered devices (e.g., wearables, IoT devices) - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

• S-1135A18-U5T1G: Similar specifications, lower output voltage range (1.2V to 4.5V)
• S-1135A33-U5T1G: Similar specifications, higher output voltage range (1.2V to 6.0V)
• S-1135A50-U5T1G: Similar specifications, higher output voltage range (1.2V to 8.0V)

These alternative models offer similar functionality with slight variations in output voltage range to cater to different application requirements.

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