LT3507AHUHF#PBF

Product Overview

Category

The LT3507AHUHF#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices and systems to regulate and control power supply voltages efficiently.

Characteristics

• High efficiency: The LT3507AHUHF#PBF offers high conversion efficiency, minimizing power losses during voltage regulation.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Compact package: The IC is available in a small form factor package, enabling space-saving designs.
• Low quiescent current: It consumes minimal current when in standby mode, enhancing energy efficiency.

Package and Quantity

The LT3507AHUHF#PBF is typically packaged in a compact and robust 16-pin QFN package. It is commonly sold in reels containing a specified quantity of ICs.

Specifications

• Input Voltage Range: 2.5V to 45V
• Output Voltage Range: 0.8V to 40V
• Maximum Output Current: 3A
• Switching Frequency: Adjustable up to 2MHz
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3507AHUHF#PBF features a 16-pin QFN package with the following pin configuration:

1. VIN: Input voltage pin
2. SW: Switching node connection
3. GND: Ground reference
4. FB: Feedback pin for output voltage regulation
5. SS: Soft-start capacitor connection
6. VCC: Supply voltage for internal circuitry
7. PGND: Power ground connection
8. SYNC: Synchronization input for external clock
9. RT/CLK: Timing resistor/clock frequency setting
10. VFB: Feedback voltage output for monitoring
11. SS/TRK: Soft-start/tracking capacitor connection
12. EN/UVLO: Enable/undervoltage lockout control
13. VCC: Supply voltage for internal circuitry
14. PGND: Power ground connection
15. SW: Switching node connection
16. VIN: Input voltage pin

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• Adjustable switching frequency enables optimization for different applications.
• Integrated soft-start and tracking functions ensure smooth startup and transient response.
• Overcurrent and overvoltage protection mechanisms safeguard the IC and connected components.

Advantages

• High efficiency results in reduced power dissipation and longer battery life.
• Compact package facilitates space-constrained designs.
• Wide input voltage range enhances versatility across different applications.
• Comprehensive protection features enhance system reliability.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Requires careful consideration of thermal management due to potential heat dissipation.

Working Principles

The LT3507AHUHF#PBF operates based on a switching regulator topology, utilizing high-frequency switching to efficiently regulate the output voltage. It employs a feedback mechanism to continuously monitor and adjust the output voltage, ensuring stability and accuracy.

Application Field Plans

The LT3507AHUHF#PBF finds application in various fields, including but not limited to: - Portable electronic devices - Automotive systems - Industrial equipment - Telecommunications infrastructure - Renewable energy systems

Alternative Models

For similar power management requirements, alternative models to consider include: - LT3507A-1 - LT3507B - LT3507C - LT3507D

These alternatives offer similar functionality and characteristics, providing flexibility in design choices.

In conclusion, the LT3507AHUHF#PBF is a highly efficient integrated circuit designed for power management applications. Its compact package, wide input voltage range, and comprehensive protection features make it suitable for various electronic devices and systems. With its working principles based on switching regulation, this IC offers stable and accurate output voltage control. It finds application in diverse fields and has alternative models available for design flexibility.