S-1133B40-U5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Overcurrent protection
  • Thermal shutdown protection
• Package: SOT-89
• Essence: Voltage regulation for electronic devices
• 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
• Output Current: 500mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 45μA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.2% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1133B40-U5T1U has the following pin configuration:

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| | --|----|-- |____| ```

Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: VOUT (Output Voltage)

Functional Features

• Voltage regulation: The S-1133B40-U5T1U provides a stable output voltage regardless of variations in the input voltage.
• Overcurrent protection: The IC automatically shuts down when the output current exceeds the specified limit, protecting the connected device.
• Thermal shutdown protection: In case of excessive temperature, the IC shuts down to prevent damage due to overheating.

Advantages and Disadvantages

Advantages: - High efficiency ensures minimal power loss. - Low dropout voltage allows for efficient regulation even with low input voltages. - Wide input voltage range provides flexibility in various applications. - Overcurrent and thermal shutdown protection enhance the safety and reliability of the circuit.

Disadvantages: - Limited output current of 500mA may not be suitable for high-power applications. - The SOT-89 package might require additional heat dissipation measures for certain operating conditions.

Working Principles

The S-1133B40-U5T1U is a linear voltage regulator that uses a feedback mechanism to maintain a constant output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to regulate the output. By controlling the pass transistor, it compensates for changes in the input voltage and load conditions, ensuring a stable output.

Detailed Application Field Plans

The S-1133B40-U5T1U is commonly used in various electronic devices that require regulated power supply, such as: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices

Detailed and Complete Alternative Models

• S-1133B40-I6T1U: Similar specifications but with an adjustable output voltage feature.
• S-1133B40-U5T2U: Higher output current capability of 1A.
• S-1133B40-U5T3U: Lower dropout voltage of 100mV.

These alternative models provide options based on specific requirements and can be considered as alternatives to the S-1133B40-U5T1U.

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