Texas Instruments
Bild kan vara representation.
Se specifikationer för produktinformation.
LM120H-12
Visa detalj Datablad

LM120H-12

Product Overview

LM120H-12 is a voltage regulator integrated circuit belonging to the category of linear regulators. It is commonly used to provide a stable and regulated output voltage for various electronic devices. The LM120H-12 is known for its high precision, low dropout voltage, and thermal shutdown protection. It is typically available in a TO-3 metal can package and is designed to be used in applications where a reliable and precise voltage regulation is required.

Basic Information

  • Category: Linear Regulator
  • Use: Voltage Regulation
  • Characteristics: High precision, low dropout voltage, thermal shutdown protection
  • Package: TO-3 metal can
  • Essence: Stable and regulated output voltage
  • Packaging/Quantity: Typically sold individually or in small quantities

Specifications

The LM120H-12 has the following specifications: - Input Voltage Range: 14V to 35V - Output Voltage: 12V - Dropout Voltage: 2V - Maximum Output Current: 1.5A - Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LM120H-12 has three pins: 1. Input (Pin 1): Connects to the input voltage source. 2. Ground (Pin 2): Connected to the ground reference. 3. Output (Pin 3): Provides the regulated output voltage.

Functional Features

  • High precision voltage regulation
  • Low dropout voltage
  • Thermal shutdown protection
  • Short-circuit protection

Advantages and Disadvantages

Advantages

  • Precise and stable output voltage
  • Thermal shutdown protection ensures safety
  • Suitable for low dropout voltage applications

Disadvantages

  • Limited maximum output current (1.5A)
  • Higher power dissipation compared to switching regulators

Working Principles

The LM120H-12 operates by comparing the output voltage to a reference voltage and adjusting the pass transistor to maintain a constant output voltage. It utilizes feedback control to regulate the output voltage, ensuring stability and accuracy.

Detailed Application Field Plans

The LM120H-12 is commonly used in the following applications: - Power supply units for audio amplifiers - Voltage regulators for automotive electronics - Precision voltage regulation in industrial equipment

Detailed and Complete Alternative Models

Some alternative models to LM120H-12 include: - LM317: Adjustable voltage regulator with similar characteristics - LM7805: Fixed 5V voltage regulator suitable for lower voltage applications - LT1086: High current adjustable voltage regulator with thermal shutdown protection

In conclusion, the LM120H-12 is a reliable linear regulator known for its precision and stability in voltage regulation. Its use in various applications requiring a constant and accurate output voltage makes it a valuable component in electronic design and manufacturing.

[Word Count: 430]

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LM120H-12 i tekniska lösningar

Sure, here are 10 common questions and answers related to the application of LM120H-12 in technical solutions:

  1. What is the input voltage range for the LM120H-12?

    • The LM120H-12 has an input voltage range of 14V to 40V.

  2. What is the output voltage of the LM120H-12?

    • The LM120H-12 has a fixed output voltage of 12V.

  3. What is the maximum output current of the LM120H-12?

    • The LM120H-12 can provide a maximum output current of 3A.

  4. Is the LM120H-12 suitable for automotive applications?

    • Yes, the LM120H-12 is designed to operate in automotive environments and is suitable for automotive applications.

  5. Does the LM120H-12 require external components for operation?

    • Yes, the LM120H-12 requires external capacitors and resistors for stable operation.

  6. What is the thermal resistance of the LM120H-12?

    • The thermal resistance of the LM120H-12 is typically 5°C/W.

  7. Can the LM120H-12 be used in industrial control systems?

    • Yes, the LM120H-12 is suitable for use in industrial control systems due to its robust design.

  8. What is the operating temperature range of the LM120H-12?

    • The LM120H-12 can operate within a temperature range of -40°C to 125°C.

  9. Is the LM120H-12 protected against overcurrent and overtemperature conditions?

    • Yes, the LM120H-12 includes overcurrent and overtemperature protection features.

  10. Can the LM120H-12 be used in battery charging applications?

    • Yes, the LM120H-12 is commonly used in battery charging applications due to its stable output voltage and current capabilities.

I hope these questions and answers are helpful for your technical solutions involving the LM120H-12. Let me know if you need further assistance!