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Analog Devices LTC3765 | Demoboard DC2199B-C

LTC3765/LTC3766 300W Isolated Forward Converter with Synchronous Rectification

Overview

TopologyBuck-Boost Converter
Input voltage36-60 V
Output 156 V / 5.4 A
IC revisionA

Description

Demonstration circuit 2199B-C is a 300W isolated forwardconverter with synchronous rectification featuring theLTC3765/LTC3766 chip-set. It produces a regulated 56V,5.4A output from an input voltage range of 36V to 60V.This circuit was designed to demonstrate the high levelsof performance, efficiency, and small solution size attainableusing these parts in an active-clamp-reset forwardconverter power supply, suitable for telecom, industrial,and other applications. It has a 4.7in2 solution footprintarea. Synchronous rectification helps to attain an efficiency approaching 96%. Secondary-side control eliminatescomplex opto-coupler feedback, providing fast transientresponse with minimum output capacitance.

Products

Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC max.
(mΩ)
fres
(MHz)
Samples
7443643300SPEC
8 files WE-HCF SMT High Current Inductor 33 34.95 10.5 11.5 2.64 7
Order Code Data­sheet Simu­lation
7443643300SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC max.
(mΩ)
fres
(MHz)
Samples