S-1172B31-U5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • High precision
  • Low dropout voltage
  • Low quiescent current
  • Small package size
• Package: SOT-23-5
• Essence: Linear voltage regulator
• 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
• Output Current: 150mA
• Dropout Voltage: 160mV (typical)
• Quiescent Current: 30µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.3% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1172B31-U5T1U has a total of five pins arranged as follows:

```

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| | --| Vout | --| GND | --| NC | --| Vin | |___________| ```

1. Vout: Output voltage pin
2. GND: Ground pin
3. NC: No connection pin
4. Vin: Input voltage pin

Functional Features

• High precision voltage regulation
• Low dropout voltage ensures efficient power conversion
• Low quiescent current for reduced power consumption
• Thermal shutdown protection
• Short-circuit current limit protection

Advantages

• Compact SOT-23-5 package allows for space-saving designs
• Wide input voltage range enables versatile applications
• Excellent line and load regulation for stable output voltage
• Low dropout voltage minimizes power dissipation

Disadvantages

• Limited output current of 150mA may not be suitable for high-power applications
• SOT-23-5 package may require additional heat sinking for certain operating conditions

Working Principles

The S-1172B31-U5T1U is a linear voltage regulator that maintains a stable output voltage regardless of input voltage fluctuations. It achieves this by using a pass transistor to regulate the output voltage based on a reference voltage. The regulator continuously adjusts the pass transistor to maintain the desired output voltage, compensating for changes in load and input voltage.

Detailed Application Field Plans

The S-1172B31-U5T1U is commonly used in various electronic devices and systems, including: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive applications - Medical equipment

Detailed and Complete Alternative Models

• S-1172B33-U5T1U: Similar specifications with a higher output current of 300mA
• S-1172B30-U5T1U: Similar specifications with a lower output current of 100mA
• S-1172B29-U5T1U: Similar specifications with a lower output voltage range of 0.8V to 5.0V

Note: This entry provides an overview of the S-1172B31-U5T1U voltage regulator. For more detailed information, please refer to the datasheet provided by the manufacturer.

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