S-1137D20-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 pieces 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-1137D20-M5T1U has a total of five pins arranged as follows:

```

---

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

• Vout: Output Voltage
• Vin: Input Voltage
• GND: Ground
• EN: Enable pin
• NC: No Connection

Functional Features

• Low dropout voltage ensures stable operation even with small input-output voltage differentials.
• High output voltage accuracy provides precise regulation for sensitive electronic components.
• Low quiescent current minimizes power consumption in standby or idle mode.
• Thermal shutdown protection prevents the IC from overheating and damaging itself.

Advantages

• Wide input voltage range allows for flexibility in various applications.
• Small package size (SOT-23-5) enables space-saving designs.
• Excellent line and load regulation ensure stable output voltage under different operating conditions.
• Low quiescent current prolongs battery life in portable devices.

Disadvantages

• Limited output current (100mA maximum) may not be suitable for high-power applications.
• Dropout voltage of 200mV may cause a slight voltage drop across the regulator.

Working Principles

The S-1137D20-M5T1U is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from a voltage divider network. The error amplifier adjusts the pass transistor's resistance to maintain a constant output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

The S-1137D20-M5T1U is commonly used in various electronic devices and systems, including: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive applications - Communication equipment

Detailed and Complete Alternative Models

• S-1137D18-M5T1U: Similar specifications but with an output voltage range of 1.2V to 4.8V.
• S-1137D25-M5T1U: Similar specifications but with an output voltage range of 1.2V to 5.8V.
• S-1137D30-M5T1U: Similar specifications but with an output voltage range of 1.2V to 6.3V.

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

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