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reference designLTC7103

Analog Devices LTC7103

105V, 2.3A Low EMI Synchronous Step-Down Regulator

Overview

TopologyBuck Converter
Input voltage5-100 V
Switching frequency200-2000 kHz
Output 15 V / 2.3 A

Description

TheLTC®7103is a highefficiency, monolithic synchronousstep-downDC/DCconverterutilizing a constantfrequency,average currentmode control architecture. Itoperates froman input voltage range of 4.4V to 105V and provides anadjustable regulated output voltage from 1V to VIN whiledelivering up to 2.3A of output current.

Features

n Wide VIN Range: 4.4V to 105V (110V Abs Max)n Ultralow EMI/EMC Emissions: CISPR 25 Compliantn 2µA IQ When Regulating 48VIN to 3.3VOUTn Fast and Accurate Output Current Programming andMonitoring with No External RSENSEn Brick Wall Current Limitn Low Minimum On-Time: 40nsn Wide VOUT Range: 1V to VINn 100% Maximum Duty Cycle Operation

Typical applications

  • Industrial, Avionics and Heavy Equipment
  • Automotive and Military Systems
  • Battery Chargers and CC/CV Supplies
  • Medical Instruments and Telecommunication Systems

More information

Products

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Data­sheet
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Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
Qty.
SamplesAvailability & Sample
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7443551181
SPECWE-HCI SMT Flat Wire High Current Inductor, 18 µH, 7.4 A
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance18 µH
Performance Rated Current7.4 A
Saturation Current @ 10%3.5 A
Saturation Current @ 30%7.5 A
DC Resistance22 mΩ
Self Resonant Frequency16 MHz
MaterialWE-PERM 
Packaging Unit400 
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