LM25141RGER

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics:
  • High efficiency voltage regulator
  • Wide input voltage range
  • Adjustable output voltage
  • Small package size
• Package: QFN-20
• Essence: LM25141RGER is a high-efficiency voltage regulator IC used in power management applications. It offers a wide input voltage range and an adjustable output voltage, making it suitable for various power supply requirements.
• Packaging/Quantity: The LM25141RGER is available in a QFN-20 package and is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 42V
• Output Voltage Range: 0.8V to 37V
• Output Current: Up to 1A
• Switching Frequency: 100 kHz to 2 MHz
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM25141RGER has a total of 20 pins arranged as follows:

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| | | 1 20| | | | 2 19| | | | 3 18| | | | 4 17| | | | 5 16| | | | 6 15| | | | 7 14| | | | 8 13| | | | 9 12| | | |10 11| |_______________| ```

Functional Features

• High efficiency conversion
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection
• Soft-start function

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile applications - High efficiency results in reduced power dissipation - Adjustable output voltage provides flexibility - Integrated protection features enhance reliability - Small package size saves board space

Disadvantages: - Limited output current capacity (up to 1A) - Higher switching frequency may require additional filtering components

Working Principles

The LM25141RGER operates as a buck converter, converting a higher input voltage to a lower output voltage. It utilizes a high-frequency switching transistor to control the energy transfer from the input to the output. The adjustable output voltage is achieved by regulating the duty cycle of the switching transistor.

Detailed Application Field Plans

The LM25141RGER can be used in various power management applications, including but not limited to: - Industrial automation systems - Automotive electronics - Telecommunications equipment - Battery-powered devices - Distributed power systems

Alternative Models

Here are some alternative models that offer similar functionality to the LM25141RGER: - LM2596S-ADJ - LT1370CR#PBF - TPS54331DR

These alternatives should be evaluated based on specific application requirements and desired features.

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