LTC3895IFE#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3895IFE#TRPBF

Manufacturer

Analog Devices

Introduction

High voltage, synchronous step-down DC-DC controller

Product Features and Performance

High input voltage range up to 140V

Synchronous rectification for improved efficiency

Selectable switching frequency from 50kHz to 900kHz

Integrated N-channel MOSFET drivers

100% duty cycle capability for low dropout

Current mode operation for excellent line and load transient response

Soft start feature to limit inrush current during startup

Power Good flag for output voltage monitoring

Phase lockable frequency (50kHz to 900kHz)

Product Advantages

Able to operate from a wide range of input voltages

Engineered for high performance in harsh environments

Supports high step-down ratios

Enables efficient power conversion for high power density

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down (Buck topology)

Number of Outputs: 1

Voltage - Supply (Vcc/Vdd): 4V to 140V

Frequency - Switching: 50kHz to 900kHz

Duty Cycle (Max): 100%

Operating Temperature range: -40°C to 125°C

Quality and Safety Features

Over-temperature, over-current and short-circuit protection

Under-voltage lockout and thermal shutdown

Robust TSSOP package with exposed pad for enhanced thermal dissipation

Compatibility

Suitable for surface-mount technology (SMT)

Compatible with a wide range of inductors and capacitors for design flexibility

Application Areas

Telecommunication power supplies

Automotive battery regulation

Industrial power systems

Aviation and aerospace electronics

Heavy-duty machinery

Product Lifecycle

Status: Active

No current indication of discontinuation

Potential for long-term availability and support

Several Key Reasons to Choose This Product

Robust input voltage range accommodating various applications

Integrated features reduce external component requirements

High efficiency and thermal performance suitable for compact designs

Flexible design options due to adjustable switching frequency

Stable operation across a wide temperature range

Ability to synchronize to an external clock for noise-sensitive applications