LTC3835EUFD#PBF

Product Overview

Category

The LTC3835EUFD#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 efficiently regulate and control power supply voltages.

Characteristics

• High efficiency: The LTC3835EUFD#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.
• Adjustable output voltage: The IC allows for adjustable output voltage levels, providing flexibility in power supply design.
• Current mode control: It utilizes current mode control architecture, ensuring stable and reliable operation.

Package

The LTC3835EUFD#PBF is available in a small form factor package, known as the 28-lead QFN (Quad Flat No-Lead) package. This package provides excellent thermal performance and ease of integration into circuit boards.

Essence

The essence of the LTC3835EUFD#PBF lies in its ability to efficiently regulate power supply voltages, ensuring stable and reliable operation of electronic devices and systems.

Packaging/Quantity

The LTC3835EUFD#PBF is typically supplied in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: Adjustable from 0.8V to 55V
• Maximum Output Current: 3A
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. FB: Feedback pin for output voltage regulation
4. SS: Soft-start pin for controlling the startup behavior
5. EN: Enable pin for turning the IC on/off
6. VCC: Supply voltage pin for internal control circuitry
7. PGND: Power ground pin
8. SW: Switching node pin for connecting the external power switch

Functional Features

• Wide input voltage range allows for versatile applications.
• Adjustable output voltage provides flexibility in power supply design.
• Current mode control architecture ensures stable and reliable operation.
• Integrated protection features such as overvoltage, undervoltage, and overcurrent protection enhance system safety.
• Soft-start functionality enables controlled startup and prevents excessive inrush current.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power losses.
• Wide input voltage range accommodates various power sources.
• Adjustable output voltage offers design flexibility.
• Compact package size facilitates integration into space-constrained designs.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Higher switching frequencies may introduce additional noise in sensitive circuits.

Working Principles

The LTC3835EUFD#PBF operates based on a current mode control architecture. It regulates the output voltage by adjusting the duty cycle of the internal power switch. This control mechanism ensures stable and efficient power conversion.

Detailed Application Field Plans

The LTC3835EUFD#PBF finds applications in various fields, including but not limited to: 1. Industrial automation systems 2. Telecommunications equipment 3. Automotive electronics 4. Renewable energy systems 5. Consumer electronics

Detailed and Complete Alternative Models

1. LTC3835EUF#PBF: Similar to LTC3835EUFD#PBF, but without the exposed pad for enhanced thermal performance.
2. LTC3835HMS#PBF: A surface-mount package variant with a different pin configuration.
3. LTC3835MPMS#PBF: A higher power version with increased maximum output current capability.

These alternative models offer similar functionality and can be considered based on specific design requirements.

Word count: 540 words