LTC3421EUF#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3421EUF#PBF

Manufacturer

Analog Devices

Introduction

The LTC3421EUF#PBF is a versatile, high-performance step-up (boost) DC-DC switching regulator designed for power management applications.

Product Features and Performance

Adjustable output voltage from 2.4V to 5.25V

Capable of delivering 1A switch current

Wide input voltage range from 0.5V to 4.5V

Flexible switching frequency: 100kHz to 3MHz

Supports a single output

Operation temperature range of -40°C to 85°C

Product Advantages

Wide input voltage range supports operations from single-cell batteries to fixed 3.3V or 5V rails.

High-switching frequency allows for smaller external components, reducing board space and total solution cost.

Adjustable output voltage enables versatility across different applications.

Efficient power conversion extends battery life in portable applications.

Key Technical Parameters

Voltage Input (Min): 0.5V

Voltage Input (Max): 4.5V

Voltage Output (Min/Fixed): 2.4V

Voltage Output (Max): 5.25V

Current Output: 1A (Switch)

Frequency Switching: 100kHz ~ 3MHz

Operating Temperature: -40°C ~ 85°C (TA)

Quality and Safety Features

The product is designed and tested to meet high-quality and safety standards, ensuring reliable operation in diverse environments.

Compatibility

Surface Mount 24-WFQFN Exposed Pad package supports standard manufacturing processes.

Non-synchronous rectifier design allows flexibility in choosing external components.

Application Areas

Portable electronics

Wireless and RF power supplies

Energy harvesting

Low-power IoT devices

Product Lifecycle

The LTC3421EUF#PBF is currently active and not nearing discontinuation.

Replacements or upgrades should be sourced directly from Analog Devices' current product line if needed.

Several Key Reasons to Choose This Product

High efficiency and flexibility in design with adjustable output voltage.

Supports very low to moderate input voltages, accommodating various power sources.

Compact design achievable due to high-switching frequencies.

Reliable performance in a broad range of operating temperatures makes it suitable for industrial and commercial applications.

Part of Analog Devices, known for high-quality and innovative semiconductor solutions.