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LM2575-12WT
Product Overview
Category: Voltage Regulator
Use: Step-Down (Buck) Switching Regulator
Characteristics: High Efficiency, Wide Input Voltage Range
Package: TO-220, TO-263, DDPAK/TO-263, TO-220-5L, TO-263-5L
Essence: Regulating voltage efficiently
Packaging/Quantity: Tube/50 units, Tape & Reel/2500 units
Specifications
- Input Voltage Range: 4.75V to 40V
- Output Voltage: 12V
- Output Current: Up to 1A
- Switching Frequency: 52 kHz
- Efficiency: Up to 80%
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The LM2575-12WT has a standard TO-220 package with the following pin configuration: 1. Vin (Pin 1): Input Voltage 2. GND (Pin 2): Ground 3. Vout (Pin 3): Output Voltage
Functional Features
- Internal Thermal Shutdown
- Short Circuit Protection
- Adjustable Output Voltage with External Resistor
Advantages and Disadvantages
Advantages: - Wide Input Voltage Range - High Efficiency - Built-in Protection Features
Disadvantages: - Limited Output Current (Up to 1A)
Working Principles
The LM2575-12WT is a step-down switching regulator that uses a pulse-width modulation (PWM) control circuit to efficiently convert a higher input voltage to a lower output voltage. It operates by controlling the duty cycle of the internal switch to regulate the output voltage.
Detailed Application Field Plans
The LM2575-12WT is commonly used in various applications such as: - Power Supplies for Industrial Equipment - Automotive Electronics - Battery Chargers - LED Lighting Systems
Detailed and Complete Alternative Models
Some alternative models to the LM2575-12WT include: - LM2576-12WT: Similar specifications with adjustable output voltage - LM2596-12WT: Buck-boost switching regulator with wider input voltage range
In conclusion, the LM2575-12WT is a versatile voltage regulator with a wide range of applications and reliable performance.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM2575-12WT v technických řešeních
Sure, here are 10 common questions and answers related to the application of LM2575-12WT:
Question: What is the input voltage range for LM2575-12WT?
Answer: The input voltage range for LM2575-12WT is typically 4V to 40V.Question: What is the output voltage of LM2575-12WT?
Answer: The output voltage of LM2575-12WT is fixed at 12V.Question: What is the maximum output current of LM2575-12WT?
Answer: The maximum output current of LM2575-12WT is 1A.Question: Can LM2575-12WT be used in a step-down (buck) converter circuit?
Answer: Yes, LM2575-12WT is designed for use in step-down (buck) converter applications.Question: What is the typical efficiency of LM2575-12WT?
Answer: The typical efficiency of LM2575-12WT is around 80-90% depending on the input and output conditions.Question: Is an external diode required for LM2575-12WT?
Answer: No, LM2575-12WT has an integrated diode for the output.Question: What is the operating temperature range of LM2575-12WT?
Answer: The operating temperature range of LM2575-12WT is typically -40°C to 125°C.Question: Can LM2575-12WT be used in automotive applications?
Answer: Yes, LM2575-12WT is suitable for automotive applications with proper thermal considerations.Question: Does LM2575-12WT require an external compensation network?
Answer: No, LM2575-12WT has internal compensation, simplifying the design.Question: What are the typical applications for LM2575-12WT?
Answer: LM2575-12WT is commonly used in automotive, industrial, and consumer electronics for generating a regulated 12V output from a higher input voltage.