S-1137A34-M5T1U

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: 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
• Dropout Voltage: 200mV (typical) at 100mA load
• Output Current: 150mA (maximum)
• Quiescent Current: 30μA (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.3% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137A34-M5T1U has a total of five pins arranged as follows:

```

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| | --| Vout GND|-- Pin 1 --| Vin NC |-- Pin 2 --| EN NC |-- Pin 3 --| NC NC |-- Pin 4 --| NC Vin |-- Pin 5 |___________| ```

Functional Features

• Low dropout voltage ensures stable operation even with low input voltages.
• High output voltage accuracy provides precise voltage regulation.
• Low quiescent current minimizes power consumption in standby mode.
• Thermal shutdown protection prevents the IC from overheating.

Advantages and Disadvantages

Advantages: - Compact SOT-23-5 package allows for space-saving designs. - Wide input voltage range enables versatile applications. - Excellent line and load regulation ensures stable output voltage.

Disadvantages: - Limited output current of 150mA may not be sufficient for high-power applications. - No built-in short-circuit protection.

Working Principles

The S-1137A34-M5T1U is a linear voltage regulator that maintains a constant output voltage regardless of variations in the input voltage or load conditions. It achieves this by using a pass transistor to regulate the voltage drop across it. The internal circuitry monitors the output voltage and adjusts the pass transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The S-1137A34-M5T1U is commonly used in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive applications - Medical equipment

Detailed and Complete Alternative Models

• S-1137A33-M5T1U: Similar specifications, but with a fixed output voltage of 3.3V.
• S-1137A50-M5T1U: Similar specifications, but with a fixed output voltage of 5.0V.
• S-1137A25-M5T1U: Similar specifications, but with a fixed output voltage of 2.5V.

These alternative models provide options for different output voltage requirements while maintaining similar characteristics and package types.

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