LTC3455EUF#TRPBF

Product Overview

Category

LTC3455EUF#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

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

Characteristics

• High efficiency: The LTC3455EUF#TRPBF 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 LTC3455EUF#TRPBF is available in a small form factor package, enabling space-saving designs.
• Low quiescent current: It features low quiescent current consumption, enhancing energy efficiency.

Package

The LTC3455EUF#TRPBF is packaged in a 16-pin QFN (Quad Flat No-Lead) package, which provides good thermal performance and ease of soldering.

Essence

The essence of LTC3455EUF#TRPBF lies in its ability to efficiently regulate and manage power supply, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

This product is typically supplied in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V - 5.5V
• Output Voltage Range: Adjustable from 1.2V to VIN
• Maximum Output Current: 500mA
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. SW: Switching node connection for the internal power switch
4. FB: Feedback pin for output voltage regulation
5. EN: Enable pin to control the device's operation
6. PG: Power Good indicator pin
7. VOUT: Output voltage pin

Functional Features

• High efficiency step-down DC-DC converter
• Adjustable output voltage through external resistors
• Soft-start feature for controlled startup
• Overcurrent and overtemperature protection
• Low quiescent current in shutdown mode

Advantages and Disadvantages

Advantages

• High conversion efficiency leads to reduced power losses
• Wide input voltage range allows for versatile applications
• Compact package enables space-saving designs
• Low quiescent current enhances energy efficiency

Disadvantages

• Limited maximum output current of 500mA may not be suitable for high-power applications
• Operating temperature range may restrict usage in extreme environments

Working Principles

The LTC3455EUF#TRPBF operates as a step-down DC-DC converter, converting a higher input voltage to a lower output voltage. It utilizes an internal power switch to regulate the output voltage based on the feedback received from the FB pin. The switching frequency of 1.2MHz ensures efficient power conversion. The device also incorporates various protection features to safeguard against overcurrent and overtemperature conditions.

Detailed Application Field Plans

The LTC3455EUF#TRPBF finds applications in a wide range of electronic devices and systems, including but not limited to: - Portable consumer electronics - Battery-powered devices - Industrial automation systems - Automotive electronics - IoT (Internet of Things) devices

Detailed and Complete Alternative Models

1. LT3480: Similar step-down DC-DC converter with higher maximum output current of 1A.
2. LTC3419: Step-down DC-DC converter with adjustable output voltage and higher operating temperature range.
3. LT8610: High-efficiency synchronous step-down DC-DC converter with a wider input voltage range.

These alternative models offer similar functionality to the LTC3455EUF#TRPBF, but with varying specifications and features.

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