IC manufacturers Analog Devices

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Analog Devices LT3758EMSE | Demoboard DC1342B

LT3758EMSE Demo Board | SEPIC, Vin: 18V to 72V, Vout: 24V/1A, (3x3 QFN)

Overview

TopologySEPIC Buck-Boost Topology
Input voltage18-72 V
Output 124 V / 1 A
IC revision1

Description

Demonstration circuit 1342B features the LT®3758AEMSE in a 300kHz SEPIC converter circuit, designed for a 24V output from a 18V to 72V input.

The LT3758A operates over an input range of 5.5V to 100V, suitable for automotive, telecom and industrial applications. It also exhibits a low shutdown current of 1μA, making it ideal for battery-operated systems. Thanks to a novel FBX pin architecture, the LT3758A can be connected directly to a resistor divider from either a positive output voltage ora negative output voltage to ground. It also packs many popular features such as soft-start, input undervoltage lockout, adjustable frequency and clock synchronization in a small 10-lead MSOP package or a 3mm × 3mm QFN package.

The LT3758A data sheet gives a complete description of the part, operation and application information. The data sheet must be read in conjunction with this quick start guide for demo circuit 1342B.

Products

Order Code Data­sheet Simu­lation Downloads Status Product seriesL1
(µH)
L2
(µH)
IR
(A)
IR 2
(A)
ISAT
(A)
RDC1 typ
(Ω)
RDC2 typ
(Ω)
RDC1 max
(Ω)
RDC2 max
(Ω)
fres
(MHz)
Type Samples
744870470SPEC
8 files Active i| Production is active. Expected lifetime: >10 years.WE-DD SMT Shielded Coupled Inductor 47 47 1.45 1.45 3.1 0.125 0.125 0.15 0.15 5 Crossed
Order Code Data­sheet Simu­lation
744870470SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesL1
(µH)
L2
(µH)
IR
(A)
IR 2
(A)
ISAT
(A)
RDC1 typ
(Ω)
RDC2 typ
(Ω)
RDC1 max
(Ω)
RDC2 max
(Ω)
fres
(MHz)
Type Samples