LT3507HUHF#PBF

Product Overview

Category

The LT3507HUHF#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is primarily used for voltage regulation and power conversion in various electronic devices and systems.

Characteristics

• High efficiency: The LT3507HUHF#PBF offers high efficiency power conversion, minimizing energy loss 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 compact package, ensuring space-saving integration into electronic designs.
• Low quiescent current: It features low quiescent current consumption, enhancing overall system efficiency.

Package and Quantity

The LT3507HUHF#PBF is packaged in a small outline integrated circuit (SOIC) package. It is typically supplied in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 45V
• Output Voltage Range: 1.24V to 40V
• Maximum Output Current: 2A
• Switching Frequency: Adjustable up to 2MHz
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3507HUHF#PBF has the following pin configuration:

1. VIN: Input voltage pin
2. SW: Switching node connection
3. GND: Ground reference pin
4. FB: Feedback pin for output voltage regulation
5. VOUT: Output voltage pin
6. SS: Soft-start capacitor connection
7. RT: External resistor for setting switching frequency
8. SYNC: Synchronization input for external clock

Functional Features

• Wide input voltage range allows for versatile applications.
• Adjustable switching frequency enables optimization for different system requirements.
• Integrated power MOSFETs simplify the design and reduce external component count.
• Soft-start feature prevents excessive inrush current during startup.
• Synchronization capability allows for synchronization with an external clock source.

Advantages and Disadvantages

Advantages

• High efficiency power conversion reduces energy loss.
• Compact package facilitates space-saving integration.
• Wide input voltage range enhances versatility.
• Low quiescent current consumption improves overall system efficiency.

Disadvantages

• Limited maximum output current (2A) may not be suitable for high-power applications.
• External synchronization may be required for specific system requirements.

Working Principles

The LT3507HUHF#PBF operates based on a pulse-width modulation (PWM) control scheme. It regulates the output voltage by adjusting the duty cycle of the internal power switches. This regulation is achieved through feedback from the FB pin, which compares the actual output voltage with a reference voltage. The IC continuously adjusts the duty cycle to maintain the desired output voltage despite changes in input voltage or load conditions.

Application Field Plans

The LT3507HUHF#PBF finds application in various fields, including but not limited to: 1. Portable electronic devices: Power management for smartphones, tablets, and portable media players. 2. Industrial automation: Voltage regulation for control systems and motor drives. 3. Automotive electronics: Power conversion for automotive infotainment systems and lighting applications. 4. Renewable energy systems: Voltage regulation for solar panels and wind turbines. 5. Telecommunications: Power management for network equipment and communication devices.

Alternative Models

For similar power management applications, alternative models to the LT3507HUHF#PBF include: - LT3507A: Similar specifications with enhanced features. - LT3507H: Higher maximum output current capability. - LT3507L: Lower quiescent current consumption.

These alternative models provide flexibility in choosing the most suitable IC based on specific application requirements.

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