LTC3642EDD#TRPBF

Product Overview

Category

LTC3642EDD#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage regulation and power management purposes.

Characteristics

• High efficiency
• Low quiescent current
• Wide input voltage range
• Adjustable output voltage
• Compact package size

Package

LTC3642EDD#TRPBF is available in a DFN-12 package, which stands for Dual Flat No-leads. This package offers a small footprint and excellent thermal performance.

Essence

The essence of LTC3642EDD#TRPBF lies in its ability to efficiently regulate voltage levels, ensuring stable and reliable power supply to various electronic components.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 2.5V - 15V
• Output Voltage Range: 0.6V - 14V
• Maximum Output Current: 2A
• Quiescent Current: 40µA
• Switching Frequency: 1MHz

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. SW: Switch pin
4. FB: Feedback pin
5. EN: Enable pin
6. VOUT: Output voltage pin

Functional Features

• High efficiency synchronous step-down converter
• Integrated power MOSFETs
• Adjustable output voltage through external resistors
• Soft-start and current limit protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Wide input voltage range allows compatibility with various power sources
• Compact package size enables space-saving designs
• Adjustable output voltage provides flexibility in different applications

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Requires external resistors for output voltage adjustment, adding complexity to the circuit design

Working Principles

LTC3642EDD#TRPBF operates as a synchronous step-down converter. It takes an input voltage and efficiently steps it down to a lower, regulated output voltage. The integrated power MOSFETs ensure minimal power loss during the conversion process. The feedback pin (FB) allows the output voltage to be adjusted through external resistors. Soft-start and current limit protection features enhance system reliability, while thermal shutdown protection prevents overheating.

Detailed Application Field Plans

LTC3642EDD#TRPBF finds applications in various electronic devices, including but not limited to: - Portable electronic devices (e.g., smartphones, tablets) - Battery-powered systems - Industrial control systems - Automotive electronics - IoT devices

Detailed and Complete Alternative Models

1. LTC3642IDD#TRPBF: Similar to LTC3642EDD#TRPBF but available in an 8-lead DFN package.
2. LTC3642HDD#TRPBF: Higher maximum output current version of LTC3642EDD#TRPBF, capable of delivering up to 3A.
3. LTC3642MPDD#TRPBF: Military-grade version of LTC3642EDD#TRPBF, designed to meet stringent reliability standards.

These alternative models offer similar functionality with slight variations in package type, maximum output current, or environmental specifications.

In conclusion, LTC3642EDD#TRPBF is a highly efficient synchronous step-down converter used for voltage regulation and power management in various electronic devices. Its compact size, wide input voltage range, and adjustable output voltage make it suitable for a wide range of applications. While it has some limitations in terms of maximum output current and external resistor requirement, its advantages outweigh the disadvantages.