S-1137D29-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: ±0.4% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137D29-M5T1U IC 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: - Wide input voltage range allows for versatile applications. - Small package size (SOT-23-5) enables space-saving designs. - Excellent line and load regulation for reliable voltage output.

Disadvantages: - Limited maximum output current of 150mA may not be sufficient for high-power applications. - No built-in short-circuit protection, requiring external circuitry for such cases.

Working Principles

The S-1137D29-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 pass transistor adjusts its resistance to maintain a constant output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The S-1137D29-M5T1U IC finds applications in various electronic devices, including but not limited to: - Battery-powered portable devices - Mobile phones and smartphones - Digital cameras - Portable audio players - Wireless communication modules

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the S-1137D29-M5T1U include: - S-1137D29-M5T1G - S-1137D29-M5T2U - S-1137D29-M5T2G - S-1137D29-M5T3U - S-1137D29-M5T3G

These models have comparable specifications and pin configurations, providing flexibility in design choices.

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