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reference designLM2588T | Demoboard SNVA743

Texas Instruments LM2588T | Demoboard SNVA743

Inverted SEPIC made SIMPLE

Overview

TopologySEPIC Buck-Boost Topology
IC revision1

Description

The LM2586 is part of the LM258x family of SIMPLE SWITCHER® boost regulators from TexasInstruments. The internal NPN is capable of handling a voltage of 65V and has a current limit of 4A. Themaximum input voltage that the device can handle is 40V. Thus this device makes a good candidate forwide VIN solutions. The design shown here is created for a typical input of -5V and output of -12V at 1Aload current, with a common ground between input and output. But it can handle an input voltage range of-5V to -24V. The following sections will talk about the operation

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Status
Product series
L(µH)
ISAT,10%(A)
ISAT,30%(A)
IR,40K(A)
IRP,40K(A)
RDC max.(mΩ)
fres(MHz)
Size
Version
SamplesAvailability & Sample
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744770147
SPECWE-PD SMT Power Inductor, 47 µH, 3.3 A

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-PD SMT Power Inductor
Inductance47 µH
Saturation Current @ 10%3.3 A
Saturation Current @ 30%4.3 A
Rated Current3 A
Performance Rated Current4.25 A
DC Resistance64 mΩ
Self Resonant Frequency7.9 MHz
Size1280 
VersionStandard 
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