LT3485EDD-1#PBF

Product Overview

Category

The LT3485EDD-1#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 to regulate and control power supply voltages efficiently.

Characteristics

• High efficiency voltage regulation
• Low quiescent current consumption
• Wide input voltage range
• Adjustable output voltage
• Compact package size
• Robust design for reliable performance

Package

The LT3485EDD-1#PBF is available in a small form factor dual in-line package (DD-Pak). This package ensures easy integration into circuit boards and provides thermal dissipation capabilities.

Essence

The essence of the LT3485EDD-1#PBF lies in its ability to efficiently manage power supply voltages, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

The LT3485EDD-1#PBF is typically packaged in reels or tubes, containing a specified quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.7V to 36V
• Output Voltage Range: Adjustable from 1.24V to 34V
• Maximum Output Current: 1.5A
• Quiescent Current: 50µA
• Switching Frequency: 1MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3485EDD-1#PBF features a standard pin configuration with the following pins:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin for controlling the IC's operation
5. SW: Switching pin for power transfer
6. VOUT: Output voltage pin

Functional Features

• High-efficiency step-down voltage regulation
• Adjustable output voltage through feedback pin
• Enable pin for easy control of IC operation
• Overcurrent protection
• Thermal shutdown protection
• Soft-start functionality for smooth power-up

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Wide input voltage range allows for versatile applications
• Compact package size enables space-saving designs
• Robust design ensures reliable performance in various conditions

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Requires external components for proper operation
• Higher cost compared to some alternative models

Working Principles

The LT3485EDD-1#PBF operates as a step-down (buck) converter, converting higher input voltages to lower output voltages efficiently. It utilizes a switching regulator topology to achieve high conversion efficiency. The IC controls the switching of an internal power MOSFET to regulate the output voltage based on the feedback received from the FB pin.

Detailed Application Field Plans

The LT3485EDD-1#PBF finds extensive use in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronics - Industrial automation equipment - Automotive electronics - LED lighting systems - Telecommunications equipment

Detailed and Complete Alternative Models

While the LT3485EDD-1#PBF offers excellent performance and features, there are alternative models available in the market that cater to different requirements. Some notable alternatives include: - LM2576-ADJ - TPS5430 - ADP2303 - MAX5033

These alternative models provide similar functionality and can be considered based on specific application needs.

In conclusion, the LT3485EDD-1#PBF is a versatile and efficient power management IC that finds widespread use in various electronic devices. Its high efficiency, wide input voltage range, and compact package make it an ideal choice for many applications. However, designers should consider alternative models based on specific requirements and cost considerations.