TDK-Lambda i7C Non-Isolated Buck-Boost DC-DC Converters

TDK-Lambda i7C Non-Isolated Buck-Boost DC-DC Converters are non-isolated step-up/step-down converters that are ideal for generating additional DC output voltage rails up to 300W from a single output 12V, 24V, or 48V AC-DC power supply. These highly efficient i7C devices accept a wide DC input and feature a wide output adjustment range. The i7C DC-DC converters feature a Power Good signal, switching frequency synchronization, and output current monitoring. TDK-Lambda i7C Non-Isolated Buck-Boost DC-DC Converters are available in three mechanical configurations: low profile open frame, baseplate construction for conduction cooling, and an integral heat sink for convection or forced air cooling.

Features

Up to 300W in a 1/16th brick pin-out provides high power density in less board space
Up to 97% high efficiency allows longer battery life and lower power consumed
Wide 5V to 28V or 9.6V to 48V output adjustment
Wide 9V_DC to 53V_DC input range

Cost-effective low-component count with minimal external components
Low airflow with minimal derating requirements makes it easy to cool in the end system
Baseplate and heatsink options
Step-up and step-down functionality

Applications

Medical
Test and measurement
General industrial

Communications
Battery-powered equipment

Specifications

25A maximum input current
±4 output voltage tolerance
250kHz switching frequency
330µF to 3000µF external load capacitance
Overtemperature protection
5% to 95% RH humidity (operating and storage)

Temperature ranges
- -40°C to +125°C operating
- -55°C to +125°C storage
Convection, conduction (baseplate), or forced air cooling
3-year warranty

TDK-Lambda i7C Non-Isolated Buck-Boost DC-DC Converters

Features

Applications

Specifications

Application Circuit

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