LT3922IUFD-1#TRPBF

Product Overview

Category

LT3922IUFD-1#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for power management applications.

Characteristics

• Integrated circuit
• Power management functionality
• High efficiency
• Compact size
• Wide input voltage range
• Low quiescent current

Package

LT3922IUFD-1#TRPBF is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of LT3922IUFD-1#TRPBF lies in its ability to efficiently manage power in electronic devices, ensuring optimal performance and energy conservation.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 0.8V to 36V
• Maximum Output Current: 3A
• Switching Frequency: 400kHz
• Quiescent Current: 50μA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. SW: Switching node pin
4. FB: Feedback pin
5. EN: Enable pin
6. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• High efficiency ensures minimal power loss during operation.
• Adjustable output voltage enables flexibility in different applications.
• Overcurrent protection safeguards the device and connected components.
• Soft-start feature prevents excessive inrush current during startup.

Advantages

• High efficiency leads to reduced power consumption and longer battery life.
• Compact size allows for integration into space-constrained designs.
• Wide input voltage range provides versatility in power source selection.
• Overcurrent protection enhances device and system reliability.
• Soft-start feature prevents damage to components during startup.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Higher cost compared to non-integrated power management solutions.
• Sensitivity to external noise may require additional filtering components.

Working Principles

LT3922IUFD-1#TRPBF operates based on a switching regulator topology. It converts the input voltage to the desired output voltage by rapidly switching an internal power transistor. This switching action, along with the use of inductors and capacitors, efficiently regulates the output voltage while minimizing power loss.

Detailed Application Field Plans

LT3922IUFD-1#TRPBF finds application in various electronic devices, including but not limited to: - Portable electronic devices - Industrial automation systems - Automotive electronics - LED lighting systems - Telecommunication equipment

Detailed and Complete Alternative Models

1. LT3922IUFD-2#TRPBF

   • Similar specifications and features as LT3922IUFD-1#TRPBF
   • Different pin configuration

2. LT3922IUFD-3#TRPBF

   • Similar specifications and features as LT3922IUFD-1#TRPBF
   • Different package type

3. LT3922IUFD-4#TRPBF

   • Similar specifications and features as LT3922IUFD-1#TRPBF
   • Higher maximum output current

In conclusion, LT3922IUFD-1#TRPBF is a highly efficient integrated circuit used for power management in various electronic devices. Its compact size, wide input voltage range, and adjustable output voltage make it suitable for diverse applications. While it offers advantages such as high efficiency and overcurrent protection, it also has limitations in terms of maximum output current and cost. Understanding its working principles and considering alternative models can help in selecting the most appropriate solution for specific requirements.