LTC3861EUHE#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3861EUHE#PBF

Manufacturer

Analog Devices

Introduction

The LTC3861EUHE#PBF is a member of Analog Devices' PolyPhase® series, a sophisticated Power Management Integrated Circuit (PMIC) specifically designed for DC-DC switching control.

Product Features and Performance

Dual output, phase-extensible switching controller

Supports step-down (buck) conversion topology

Operates with input voltages from 3V to 5.5V

Flexible switching frequency range from 250kHz to 3MHz

Maximum duty cycle of 91.5%

Advanced control features including current limit, enable, frequency control, phase control, power good indicator, soft start, and tracking

Operational over a wide temperature range from -40°C to 125°C

Product Advantages

Precise control over power conversion for enhanced system efficiency

Dual-phase operation reduces input ripple and improves thermal management

High-frequency operation allows use of smaller, lower-cost external components

Broad temperature operating range suits demanding applications

Key Technical Parameters

Output Type: PWM Signal

Function: Step-Down

Number of Outputs: 2

Output Phases: 2

Voltage Supply (Vcc/Vdd): 3V to 5.5V

Frequency Switching: 250kHz to 3MHz

Duty Cycle (Max): 91.5%

Operating Temperature: -40°C to 125°C

Quality and Safety Features

Over-current protection enables safe operation under abnormal conditions

Thermal shutdown feature prevents overheating and potential damage

Compatibility

Surface Mount technology for ease of assembly

36-WFQFN exposed pad package for efficient heat dissipation

Application Areas

Multi-phase regulators

Distributed Power Systems

Networking and telecommunications equipment

FPGA and DSP power supplies

Product Lifecycle

Status: Active, indicating continuous manufacture and availability

No indication of nearing discontinuation, ensuring long-term availability

Several Key Reasons to Choose This Product

The LTC3861EUHE#PBF's PolyPhase® capability enables scalable multi-phase systems for efficient power management.

The flexibility in switching frequency allows designers to optimize the size and efficiency of the power supply.

Comprehensive control and safety features ensure reliable and protected operation under various conditions.

Supports a wide range of power supply applications, ensuring versatility.

Manufactured by Analog Devices, a leader in power management solutions, ensuring high quality and reliability.