IC manufacturers Analog Devices

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Analog Devices LTC7103

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

Overview

TopologyBuck Converter
Input voltage12-100 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

Products

Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(µH)
ISAT,10%
(A)
ISAT,30%
(A)
IR,40K
(A)
IRP,40K
(A)
RDC max.
(mΩ)
fres
(MHz)
SizeVersion Samples
7447709470SPEC
8 files Active i| Production is active. Expected lifetime: >10 years.WE-PD SMT Power Inductor 47 4.5 5.5 3.8 4.9 60 6.5 1210 Standard
Order Code Data­sheet Simu­lation
7447709470SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(µH)
ISAT,10%
(A)
ISAT,30%
(A)
IR,40K
(A)
IRP,40K
(A)
RDC max.
(mΩ)
fres
(MHz)
SizeVersion Samples