S-1137C15-U5T1G

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output voltage accuracy - Low quiescent current - Thermal shutdown protection - Overcurrent protection - Short-circuit protection

Package: SOT-23-5

Essence: The S-1137C15-U5T1G is a voltage regulator IC designed to provide a stable output voltage for various electronic devices.

Packaging/Quantity: The S-1137C15-U5T1G is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage: 1.5V
• Output Current: 500mA
• Dropout Voltage: 200mV @ 100mA
• Quiescent Current: 30µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137C15-U5T1G has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. NC (No Connection)
4. VOUT (Output Voltage)
5. EN (Enable)

Functional Features

• Low Dropout Voltage: The S-1137C15-U5T1G exhibits a low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.
• High Output Voltage Accuracy: This voltage regulator provides a highly accurate output voltage of 1.5V, making it suitable for applications requiring precise voltage regulation.
• Low Quiescent Current: With a low quiescent current of only 30µA, the S-1137C15-U5T1G minimizes power consumption when the load is light.
• Thermal Shutdown Protection: The IC incorporates a thermal shutdown feature that protects it from overheating, ensuring reliable operation under varying temperature conditions.
• Overcurrent and Short-Circuit Protection: The S-1137C15-U5T1G includes built-in protection against overcurrent and short-circuit events, safeguarding both the IC and the connected circuitry.

Advantages and Disadvantages

Advantages: - High output voltage accuracy - Low dropout voltage - Thermal shutdown and overcurrent protection - Small package size (SOT-23-5) - Low quiescent current

Disadvantages: - Limited output current capacity (500mA)

Working Principles

The S-1137C15-U5T1G operates as a linear voltage regulator. It regulates the input voltage to a stable 1.5V output voltage by utilizing an internal voltage reference and feedback control mechanism. When the input voltage exceeds the desired output voltage, the IC reduces the voltage difference across its internal pass transistor, resulting in a regulated output voltage.

Detailed Application Field Plans

The S-1137C15-U5T1G is commonly used in various electronic devices that require a stable 1.5V power supply. Some typical application fields include:

1. Mobile Phones
2. Portable Media Players
3. Digital Cameras
4. Wireless Headsets
5. Battery-Powered IoT Devices

Detailed and Complete Alternative Models

1. S-1137C15-M5T1G
2. S-1137C15-I5T1G
3. S-1137C15-R5T1G
4. S-1137C15-T5T1G
5. S-1137C15-V5T1G

These alternative models offer similar specifications and functionality to the S-1137C15-U5T1G, providing flexibility in design choices.

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