IC manufacturers Analog Devices

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Analog Devices LTC7130

20V 20A Monolithic Buck Converter with Ultralow DCR Sensing

Overview

TopologyBuck Converter
Input voltage5-20 V
Switching frequency250-770 kHz
Output 11.2 V / 40 A
Output 25 V / 5 A
Output 31.5 V / 20 A

Description

monolithic converter that can deliver up to 20A continuousload current. It employs a unique architecture which enhancesthe signal-to-noise ratio of the current sense signal, allowingthe use of a very low DC resistance power inductor tomaximize efficiency in high current applications. This featurealso reduces the switching jitter commonly found in lowDCR applications. The LTC7130 also includes a high speeddifferential remote sense amplifier and a programmable currentsense limit that can be selected from 10mV to 30mV toset the output current limit up to 20A. In addition, the DCRtemperature compensation feature limits the maximumoutput current precisely over temperature.The LTC7130 also features a precise 0.6V reference with aguaranteed limit of ±0.5% that provides an accurate outputvoltage. A 5V to 20V input voltage range supports a widevariety of bus voltages and various types of batteries.The LTC7130 is offered in a compact and low profile BGA packageavailable with SnPb/RoHS compliant terminal finishes.

Features

Wide VIN Range: 4.5V to 20VOptimized for Low Duty Cycle ApplicationsHigh Efficiency: Up to 95%LTC Proprietary Current Mode ArchitectureHigh Current Parallel OperationUltralow DCR Current Sensing with Temperature CompensationProgrammable Output Current LimitHigh Speed Differential Remote Sense Amplifier±0.5% Output Voltage Regulation AccuracyOutput Short-Circuit Protection with Soft RecoveryProgrammable Soft-Start, TrackingProgrammable Fixed Frequency: 250kHz to 770kHzEXTVCC for Reduced Power DissipationFault Indicator for Output UV/OV Conditions6.25mm × 7.5mm × 2.22mm BGA Package

Typical applications

  • Distributed High Power Density Systems
  • Telecom/Datacom Systems
  • DSP, FPGA, ASIC Reference Designs

Products

Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(nH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC
(mΩ)
fres
(MHz)
MaterialLR
(nH)
IR
(A)
Samples
744308025SPEC

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.

8 files Active i| Production is active. Expected lifetime: >10 years.WE-HCM SMT High Current Flat Wire Inductor 250 54.3 41.6 46.5 0.37 40 MnZn 246 25
744325072SPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

8 files Active i| Production is active. Expected lifetime: >10 years.WE-HCI SMT Flat Wire High Current Inductor 720 37.8 14 35 1.3 115 Superflux 600
Order Code Data­sheet Simu­lation
744308025SPEC

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.

744325072SPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(nH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC
(mΩ)
fres
(MHz)
MaterialLR
(nH)
IR
(A)
Samples