EmbeddedRelated.com
    Parts    Linear Tech / ADI LT Series Family    LT8705EUHF    LT8705EUHF#PBF
LT8705EUHF#PBF

LT8705EUHF#PBF

Analog Devices
Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost
NRND6,014 in stock
Datasheet Mouser Compare Prices

Overview

The LT8705EUHF#PBF is a high-performance synchronous four-switch buck-boost DC/DC controller that operates from input voltages above, below, or equal to the output voltage. It features four independent regulation loops for input/output current and voltage, providing high efficiency and precise power management in a wide range of DC/DC conversion tasks.

Why Choose This Part

The device supports a wide input and output range up to 80V, making it suitable for high-voltage industrial and automotive applications. Its synchronous architecture ensures high efficiency, while the integrated input/output current monitoring and regulation loops simplify complex power management designs.

Applications

High Power Battery Charging
The four-loop regulation system allows for precise constant-current and constant-voltage charging profiles across wide input voltage ranges.
Automotive Power Systems
Maintains a stable output voltage during cold-crank or load-dump conditions where the input voltage can swing significantly above or below the target.
Solar Powered Systems
Ideal for maximum power point tracking (MPPT) applications where the panel voltage fluctuates significantly relative to the battery or load voltage.
Telecom Power Supplies
Provides reliable voltage regulation for 48V systems requiring high-efficiency conversion and robust protection features.

Getting Started

Engineers should utilize the DC1924A evaluation board for rapid prototyping and performance validation. Use Analog Devices LTspice for circuit simulation and stability analysis of the compensation network before finalizing PCB layout.