S-1133B44-U5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Small package size
• Package: SOT-23-5
• Essence: This IC is designed to regulate voltage in electronic circuits, ensuring a stable output voltage regardless of input variations.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 300mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1133B44-U5T1U IC has the following pin configuration:

```

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| | --| V IN|-- Pin 1 (Input Voltage) --| GND |-- Pin 2 (Ground) --| V OUT|-- Pin 3 (Output Voltage) --| NC |-- Pin 4 (No Connection) --| EN |-- Pin 5 (Enable) |____| ```

Functional Features

• Voltage Regulation: The IC maintains a constant output voltage even when the input voltage fluctuates.
• Low Dropout Voltage: It operates efficiently with a low dropout voltage, minimizing power dissipation.
• Enable Pin: The enable pin allows for easy on/off control of the regulator.
• Overcurrent Protection: The IC incorporates overcurrent protection to safeguard connected devices.

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Small package size - Overcurrent protection

Disadvantages: - Limited maximum output current (300mA) - Dropout voltage may affect performance in low voltage applications

Working Principles

The S-1133B44-U5T1U is a linear voltage regulator that uses a feedback mechanism to maintain a stable output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to compensate for any variations in the input voltage. This ensures a constant output voltage, even when the input voltage changes.

Detailed Application Field Plans

The S-1133B44-U5T1U IC finds applications in various electronic devices where a stable voltage supply is crucial. Some of the common application fields include: - Battery-powered devices - Portable electronics - IoT devices - Wearable devices - Consumer electronics

Detailed and Complete Alternative Models

• S-1133B44-M5T1U: Similar specifications but with a different package (SOT-25)
• S-1133B44-U5T2U: Higher maximum output current (500mA) but with a slightly higher dropout voltage
• S-1133B44-U5T3U: Lower quiescent current (10µA) but with a narrower input voltage range

These alternative models provide flexibility in choosing the most suitable voltage regulator based on specific requirements.

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