LTC3854EDDB#TRPBF - Linear Technology

Manufacturer Part Number

LTC3854EDDB#TRPBF

Manufacturer

Analog Devices

Introduction

The LTC3854EDDB#TRPBF is a high-performance step-down switching controller used for power management applications.

Product Features and Performance

Step-down voltage regulator

High efficiency with synchronous rectification

Operational range: 4.5V to 38V input supply

Fixed switching frequency at 400kHz

Maximum duty cycle of 98%

Capable of driving a top-side N-channel MOSFET and a bottom-side N-channel synchronous MOSFET

Internal soft start to limit inrush current during startup

Product Advantages

Compatibility with a wide range of supply voltages

High efficiency due to synchronous rectification, reducing heat and improving overall system performance

Compact 12-WFDFN exposed pad package saves board space

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Output Configuration: Positive

Topology: Buck

Number of Outputs: 1

Output Phases: 1

Voltage Supply (Vcc/Vdd): 4.5V ~ 38V

Frequency Switching: 400kHz

Duty Cycle (Max): 98%

Synchronous Rectifier: Yes

Quality and Safety Features

Built-in thermal shutdown

Overvoltage protection

Undervoltage lockout

Compatibility

Surface mount compatible

Can be used with a variety of N-channel MOSFETs

Application Areas

Distributed power systems

Industrial supplies

Computing power delivery

Networking power management

Product Lifecycle

Active product status

Not indicated as nearing discontinuation

Replacements and upgrades might be offered if needed

Several Key Reasons to Choose This Product

High-efficiency conversion suitable for energy-sensitive applications

Wide input voltage range accommodating diverse power sources

Compact packaging suitable for space-constrained applications

Reliable and durable with built-in protection features

Synchronous rectification for lower system temperatures and improved performance