S-1137A33-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: Power management IC
• 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 current
• Output Current: 500mA (maximum)
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137A33-M5T1U has a total of 5 pins arranged as follows:

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Pin Configuration: 1. VIN: Input voltage pin 2. GND: Ground pin 3. NC: No connection 4. VOUT: Output voltage pin 5. EN: Enable pin

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 during standby or idle 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 load and line regulation characteristics ensure stable output voltage.

Disadvantages: - Limited output current (500mA maximum) may not be suitable for high-power applications. - No adjustable output voltage option available.

Working Principles

The S-1137A33-M5T1U is a linear voltage regulator that uses a PNP transistor as the pass element. It regulates the output voltage by adjusting the resistance between the input and output pins. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass element accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The S-1137A33-M5T1U is commonly used in various electronic devices, including but not limited to: - Battery-powered devices - Portable audio players - Mobile phones - Digital cameras - Wireless communication modules

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the S-1137A33-M5T1U include: - S-1137B33-M5T1U: Similar specifications but with an adjustable output voltage option. - S-1137C33-M5T1U: Higher output current capability (up to 1A) for more demanding applications. - S-1137D33-M5T1U: Lower quiescent current (10µA typical) for ultra-low power consumption requirements.

Note: Please refer to the manufacturer's datasheets for detailed specifications of alternative models.

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