LK112M25TR

Product Overview

Category: Integrated Circuit (IC)

Use: LK112M25TR is a voltage regulator IC primarily used for regulating and stabilizing the output voltage in electronic circuits.

Characteristics: - High precision voltage regulation - Low dropout voltage - Wide input voltage range - Overcurrent and thermal protection - Small package size

Package: LK112M25TR is available in a compact SOT-23 package, which ensures easy integration into various circuit designs.

Essence: The essence of LK112M25TR lies in its ability to provide stable and regulated voltage output, ensuring reliable performance of electronic devices.

Packaging/Quantity: LK112M25TR is typically packaged in reels containing 3000 units, making it suitable for mass production and industrial applications.

Specifications

• Input Voltage Range: 2.5V - 6.5V
• Output Voltage Range: 1.2V - 5.5V
• Dropout Voltage: 200mV @ 100mA
• Maximum Output Current: 150mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

LK112M25TR features a standard SOT-23 package with three pins:

1. VIN (Pin 1): Input voltage pin. Connects to the power supply or voltage source.
2. GND (Pin 2): Ground pin. Connected to the common ground reference.
3. VOUT (Pin 3): Output voltage pin. Provides the regulated output voltage.

Functional Features

• Voltage Regulation: LK112M25TR ensures precise voltage regulation, maintaining a stable output voltage even under varying load conditions.
• Low Dropout Voltage: The IC exhibits a low dropout voltage, minimizing power dissipation and maximizing efficiency.
• Overcurrent and Thermal Protection: LK112M25TR incorporates built-in protection mechanisms to safeguard against overcurrent and excessive temperature, enhancing the reliability and longevity of the circuit.

Advantages and Disadvantages

Advantages: - High precision voltage regulation - Low dropout voltage for improved efficiency - Wide input voltage range for versatility - Overcurrent and thermal protection for enhanced reliability - Compact package size for easy integration

Disadvantages: - Limited maximum output current (150mA) - Not suitable for high-power applications

Working Principles

LK112M25TR operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage. By continuously monitoring and adjusting the voltage, it compensates for load variations and ensures a stable output.

Detailed Application Field Plans

LK112M25TR finds applications in various electronic devices and systems, including but not limited to: - Mobile phones and smartphones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices - IoT (Internet of Things) devices - Wearable technology

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with a fixed 3.3V output voltage.
2. LT1763: Offers higher maximum output current (500mA) and lower dropout voltage.
3. MCP1700: Provides a wide input voltage range and low quiescent current.

These alternative models offer similar functionality and can be considered depending on specific requirements and design constraints.

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