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Analog Devices LT3790 | Demoboard DC2123B

60V Synchronous 4-Switch Buck-Boost Controller

Overview

TopologyBuck-Boost Converter
Input voltage8-56 V
Output 124.5 V / 5 A
IC revisionB

Description

The DC2123B is a 60V four-switch synchronous buck-boostcontroller that demonstrates the high power capability of the LT®3790. The output is 24V and the maximum output current is 5A. The switching frequency is 200kHz and efficiency is as high as 98% for a 24V input.The LT3790 is capable of high power operation. DC2123B can be altered for increased output power with higher minimum input voltage. If VIN remains always above 20V, IOUT can be increased to 12A+ (for 290W output) by changing RS2 to 4mΩ.

Products

Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC
(mΩ)
fres
(MHz)
Material Samples
7443551470SPEC
8 files WE-HCI SMT Flat Wire High Current Inductor 4.7 14.9 6 15 7 30 WE-PERM
Order Code Data­sheet Simu­lation
7443551470SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC
(mΩ)
fres
(MHz)
Material Samples