S-1112B51MC-L7KTFU

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOT-23-5

Essence: The S-1112B51MC-L7KTFU is a voltage regulator IC designed to provide a stable output voltage for various electronic devices.

Packaging/Quantity: The S-1112B51MC-L7KTFU is typically sold in reels containing 3,000 units.

Specifications

• Input Voltage Range: 2.0V - 6.0V
• Output Voltage: 5.1V
• Output Current: 150mA
• Dropout Voltage: 0.15V @ 100mA
• Quiescent Current: 30µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1112B51MC-L7KTFU has the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High output voltage accuracy provides stable and reliable performance.
• Low quiescent current minimizes power consumption during standby or idle mode.
• Thermal shutdown protection prevents damage due to excessive heat.
• Overcurrent protection safeguards the circuit from excessive current flow.

Advantages and Disadvantages

Advantages: - Compact SOT-23-5 package allows for space-saving integration into small electronic devices. - Wide input voltage range enables compatibility with various power sources. - Excellent voltage regulation ensures consistent performance. - Low quiescent current prolongs battery life in portable applications.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Dropout voltage may cause a slight decrease in efficiency.

Working Principles

The S-1112B51MC-L7KTFU operates as a linear voltage regulator. It regulates the input voltage to a stable 5.1V output voltage by utilizing an internal reference voltage and feedback control mechanism. The device adjusts the output voltage based on the difference between the reference voltage and the feedback voltage, ensuring a constant output regardless of input variations.

Detailed Application Field Plans

The S-1112B51MC-L7KTFU is commonly used in various electronic devices that require a stable 5.1V power supply. Some typical application fields include:

1. Portable electronic devices (e.g., smartphones, tablets, portable media players)
2. Battery-powered devices (e.g., wireless sensors, IoT devices)
3. Automotive electronics (e.g., infotainment systems, navigation systems)
4. Industrial equipment (e.g., control systems, measurement instruments)

Detailed and Complete Alternative Models

1. S-1112B50MC-L7KTFU: Similar to S-1112B51MC-L7KTFU but with a 5.0V output voltage.
2. S-1112B52MC-L7KTFU: Similar to S-1112B51MC-L7KTFU but with a 5.2V output voltage.
3. S-1112B53MC-L7KTFU: Similar to S-1112B51MC-L7KTFU but with a 5.3V output voltage.

These alternative models provide similar functionality with different output voltage options to suit specific application requirements.

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