LTC3853IUJ#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3853IUJ#PBF

Manufacturer

Analog Devices

Introduction

The LTC3853IUJ#PBF is a high-performance, triple output step-down switching regulator controller designed for power management applications.

Product Features and Performance

Triple output step-down switching regulator for efficient power conversion

Supports synchronous rectification for improved efficiency

Wide input voltage range from 4.5V to 24V accommodating a variety of power sources

Adjustable switching frequency from 250kHz to 750kHz allows flexibility in design

High duty cycle up to 98% enables low dropout operation

Integrated current limit, enable, frequency control, power good, soft start, and tracking functions for enhanced control and protection

Product Advantages

High efficiency and low power loss due to synchronous rectification

Flexibility in application due to a wide input voltage range and adjustable switching frequency

Precision control features ensure safe operation under various conditions

Compact 40-WFQFN Exposed Pad package saves board space

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Output Configuration: Positive

Topology: Buck

Number of Outputs: 3

Output Phases: 3

Voltage Supply (Vcc/Vdd): 4.5V ~ 24V

Frequency Switching: 250kHz ~ 750kHz

Duty Cycle (Max): 98%

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

Integrated protection features for over-current, over-temperature, and under-voltage lockout ensure reliable operation

Manufactured by Analog Devices, recognized for high-quality electronic components

Compatibility

Compatible with a wide range of external MOSFETs for design flexibility

Application Areas

Telecommunications

Networking equipment

Computing systems

Industrial control

Distributed power systems

Product Lifecycle

Status: Active

The product is currently in production with no immediate plan for discontinuation, ensuring long-term availability. Upgrades or replacements can be considered as technology advances.

Several Key Reasons to Choose This Product

High efficiency and flexibility in power management designs due to advanced features and wide input voltage range

Comprehensive control and protection features ensure system stability and reliability

Manufactured by Analog Devices, ensuring high-quality and performance

Wide application potential, from telecommunications to industrial controls

Long-term availability supports product development cycles and lifecycle management