S-1137A19-U5T1G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current, Adjustable Output
• Package: SOT-23-5
• Essence: Regulates voltage to provide a stable output
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 0.8V to 5.0V
• Dropout Voltage: 200mV at 500mA
• Maximum Output Current: 1A
• Quiescent Current: 75µA
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137A19-U5T1G has a total of five pins arranged as follows:

```

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| | --| Vout | --| GND | --| NC | --| Vin | |___________| ```

• Vout: Output Voltage Pin
• GND: Ground Pin
• NC: No Connection Pin
• Vin: Input Voltage Pin

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High current capability allows for powering various components.
• Adjustable output voltage provides flexibility in different applications.
• Excellent line and load regulation for stable performance.
• Thermal shutdown protection prevents overheating.

Advantages

• Wide input voltage range enables compatibility with different power sources.
• Compact SOT-23-5 package saves space on PCBs.
• Low quiescent current minimizes power consumption.
• Robust design ensures reliability in demanding environments.

Disadvantages

• Limited output current compared to higher-rated voltage regulators.
• Dropout voltage may affect efficiency in low input voltage scenarios.

Working Principles

The S-1137A19-U5T1G 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 and adjusts the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is the minimum voltage difference required between the input and output for the regulator to function correctly.

Detailed Application Field Plans

The S-1137A19-U5T1G is commonly used in various electronic devices, including: - Battery-powered portable devices - Wireless communication systems - Industrial control systems - Automotive applications - Consumer electronics

Detailed and Complete Alternative Models

• S-1137A18-U5T1G: Similar specifications but with a fixed output voltage of 1.8V.
• S-1137A20-U5T1G: Similar specifications but with a fixed output voltage of 2.0V.
• S-1137A33-U5T1G: Similar specifications but with a fixed output voltage of 3.3V.
• S-1137A50-U5T1G: Similar specifications but with a fixed output voltage of 5.0V.

These alternative models provide options for different output voltage requirements while maintaining similar characteristics and package options.

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