S-1137A12-U5T1G

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-23-5
• Essence: Linear voltage regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 18V
• Output Voltage Range: 1.2V to 15V
• Output Current: 1A
• Dropout Voltage: 200mV at 1A
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Quiescent Current: 75μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137A12-U5T1G IC 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

• High efficiency: The S-1137A12-U5T1G offers high efficiency, minimizing power loss during voltage regulation.
• Low dropout voltage: With a low dropout voltage of only 200mV at 1A, the IC can maintain stable output voltage even when the input voltage is close to the desired output voltage.
• Wide input voltage range: The IC can accept input voltages ranging from 2.5V to 18V, making it suitable for various applications.
• Overcurrent protection: The S-1137A12-U5T1G incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
• Thermal shutdown protection: In case of excessive temperature, the IC automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages: - High efficiency ensures minimal power loss. - Low dropout voltage allows for stable output voltage even with low input voltages. - Wide input voltage range makes it versatile for different applications. - Overcurrent and thermal shutdown protection enhance reliability.

Disadvantages: - Limited output current of 1A may not be sufficient for high-power applications. - The SOT-23-5 package may require additional heat dissipation measures for certain scenarios.

Working Principles

The S-1137A12-U5T1G is a linear voltage regulator that operates by comparing the output voltage with a reference voltage. It adjusts the resistance between the input and output to maintain a constant output voltage. When the input voltage fluctuates, the regulator compensates by adjusting the resistance to ensure a stable output voltage.

Detailed Application Field Plans

The S-1137A12-U5T1G is commonly used in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable audio players - Mobile phones - Wireless communication systems - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the S-1137A12-U5T1G include: - S-1137B12-U5T1G: Similar specifications, but with an adjustable output voltage feature. - S-1137C12-U5T1G: Higher output current of 1.5A, suitable for more demanding applications. - S-1137D12-U5T1G: Lower output current of 500mA, suitable for low-power applications.

These alternative models provide options based on specific requirements and application scenarios.

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