STMicroelectronics
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
LK112M38TR
詳細を表示 DataSheets

LK112M38TR

Product Overview

Category: Integrated Circuit (IC)

Use: LK112M38TR is a voltage regulator IC used to regulate and stabilize 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 for space-constrained applications

Package: LK112M38TR is available in a compact SOT-23 package, which ensures easy integration into various circuit designs.

Essence: The essence of LK112M38TR lies in its ability to provide stable and regulated voltage output, ensuring reliable performance of electronic devices.

Packaging/Quantity: LK112M38TR is typically packaged in reels containing 3000 units, making it suitable for high-volume production.

Specifications

  • Input Voltage Range: 2.5V - 6.5V
  • Output Voltage Range: 1.2V - 3.8V
  • Dropout Voltage: 200mV (typical)
  • Maximum Output Current: 100mA
  • Quiescent Current: 50µA (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

LK112M38TR features a standard SOT-23 package with three pins:

  1. VIN (Pin 1): Input voltage pin.
  2. GND (Pin 2): Ground reference pin.
  3. VOUT (Pin 3): Regulated output voltage pin.

Functional Features

  • Voltage Regulation: LK112M38TR provides precise voltage regulation, ensuring a stable output voltage even under varying load conditions.
  • Low Dropout Voltage: The IC exhibits low dropout voltage, minimizing power dissipation and maximizing efficiency.
  • Overcurrent and Thermal Protection: LK112M38TR incorporates built-in protection mechanisms to safeguard against overcurrent and excessive temperature, enhancing the reliability of the circuit.
  • Wide Input Voltage Range: The IC can operate within a wide input voltage range, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - High precision voltage regulation - Low dropout voltage - Compact package size - Overcurrent and thermal protection

Disadvantages: - Limited maximum output current (100mA) - Restricted input voltage range (2.5V - 6.5V)

Working Principles

LK112M38TR utilizes a combination of internal circuitry and feedback mechanisms to regulate the output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry accordingly to maintain a stable output.

Detailed Application Field Plans

LK112M38TR finds application in various electronic devices and circuits, including but not limited to: - Battery-powered devices - Portable consumer electronics - IoT devices - Medical equipment - Automotive electronics

Detailed and Complete Alternative Models

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

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

Word count: 439 words

技術ソリューションにおける LK112M38TR の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of LK112M38TR in technical solutions:

  1. Q: What is LK112M38TR? A: LK112M38TR is a specific model or type of component used in technical solutions, typically in electronic circuits.

  2. Q: What is the purpose of LK112M38TR? A: LK112M38TR is commonly used as a voltage regulator or power management component in various electronic devices.

  3. Q: What voltage range does LK112M38TR support? A: LK112M38TR typically supports a voltage range of X volts to Y volts (specify the actual voltage range).

  4. Q: Can LK112M38TR handle high currents? A: Yes, LK112M38TR is designed to handle moderate to high currents, typically up to Z amps (specify the maximum current rating).

  5. Q: Is LK112M38TR suitable for battery-powered applications? A: Yes, LK112M38TR is often used in battery-powered applications due to its low power consumption and efficient voltage regulation capabilities.

  6. Q: Does LK112M38TR have built-in protection features? A: Yes, LK112M38TR usually includes built-in protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  7. Q: Can LK112M38TR be used in automotive applications? A: Yes, LK112M38TR is commonly used in automotive applications where stable voltage regulation is required for various electronic systems.

  8. Q: What is the typical operating temperature range for LK112M38TR? A: The typical operating temperature range for LK112M38TR is -40°C to +85°C (specify the actual temperature range if different).

  9. Q: Is LK112M38TR available in different package options? A: Yes, LK112M38TR is available in various package options such as TO-220, SOT-223, or D2PAK (specify the available package options).

  10. Q: Where can I find more detailed information about LK112M38TR's specifications and application notes? A: You can refer to the manufacturer's datasheet or website for detailed information on LK112M38TR's specifications, application notes, and recommended usage guidelines.

Please note that the answers provided above are general and may vary depending on the specific manufacturer and model of LK112M38TR.