S-1135B19-U5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • High efficiency
  • Low dropout voltage
  • Small package size
  • Wide input voltage range
• 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
• Dropout Voltage: 200mV (typical) at 100mA load current
• Maximum Output Current: 150mA
• Quiescent Current: 40µA (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.3% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1135B19-U5T1U IC has the following pin configuration:

```

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

Functional Features

• Voltage regulation: The S-1135B19-U5T1U maintains a constant output voltage, compensating for input voltage fluctuations.
• Low dropout voltage: The IC operates with a minimal voltage difference between the input and output, maximizing efficiency.
• Enable pin: The enable pin allows for easy control of the regulator's operation by enabling or disabling the output voltage.
• Thermal shutdown protection: The IC includes built-in thermal protection to prevent damage due to excessive heat.

Advantages and Disadvantages

Advantages: - High efficiency ensures minimal power loss. - Small package size saves board space. - Wide input voltage range accommodates various applications. - Low dropout voltage enables operation with low input voltages.

Disadvantages: - Limited maximum output current (150mA). - Requires external components for stability and filtering.

Working Principles

The S-1135B19-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. By regulating the voltage, it ensures that the connected electronic devices receive a consistent and reliable power supply.

Detailed Application Field Plans

The S-1135B19-U5T1U is commonly used in various electronic devices and applications, including but not limited to: - Battery-powered devices - Portable consumer electronics - IoT devices - Medical equipment - Industrial automation systems

Detailed and Complete Alternative Models

• S-1135B19-M5T1U: Similar specifications and pin configuration, but with a different package (SOT-23-5).
• S-1135B19-U5T2U: Higher maximum output current (300mA) with similar specifications and pin configuration.
• S-1135B19-M3T1U: Smaller package size (SOT-89-3) with similar specifications and pin configuration.

Note: These alternative models are provided as examples and may not cover all available options. It is recommended to consult the manufacturer's datasheet for a comprehensive list of alternatives.

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