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reference designLTC7891 | Demoboard EVAL-LTC7891-AZ

Analog Devices LTC7891 | Demoboard EVAL-LTC7891-AZ

High Frequency Step-Down Supply with EPC GaN FETs

Overview

TopologyBuck Converter
Input voltage15-72 V
Switching frequency500-600 kHz
Output 112 V / 20 A

Typical applications

  • Cabin Experience & Infotainment; Cluster Display and Rear Seat Entertainment
  • Industrial power systems
  • Wireless Infrastructure

More information

Products

Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC max.(mΩ)
fres(MHz)
Wire Type
Ti
Ø OD(mm)
Ø ID(mm)
Packaging
Qty.
Pins
Type
Mount
L(mm)
H(mm)
IR(A)
Working Voltage(V (AC))
Operating Temperature
Samples
7443630310
WE-HCF SMT High Current Inductor, 3.1 µH, 33.15 A
Simu­lation
Downloads9 files

EDA models: Components ZIP

CAD files ZIP

Electric models ZIP

Download all 9 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCF SMT High Current Inductor
Inductance3.1 µH
Performance Rated Current33.15 A
Saturation Current @ 10%41 A
Saturation Current @ 30%45 A
DC Resistance2.3 mΩ
Self Resonant Frequency29 MHz
Wire TypeFlat 
–
–
–
–
Packaging Unit100 
Pins2 
–
MountSMT 
Length20.8 mm
Height13.5 mm
Rated Current26 A
–
Operating Temperature -40 °C up to +125 °C
9774010243R
WA-SMSI SMT Steel Spacer with internal Thread M2, –, –
Simu­lation–
Downloads7 files

EDA models: Components ZIP

CAD files ZIP

Download all 7 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWA-SMSI SMT Steel Spacer with internal Thread M2
–
–
–
–
–
–
–
Inner ThreadM2 
Outer Diameter4.35 mm
Inner Diameter2.8 mm
PackagingTape and Reel 
Packaging Unit1500 
–
–
–
Length1 mm
–
–
–
Operating Temperature -55 °C up to +150 °C
60800213421
WR-PHD Jumper, –, –
Simu­lation–
Downloads3 files

CAD files ZIP

Download all 3 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Jumper
–
–
–
–
–
–
–
–
–
–
PackagingBag 
Packaging Unit1000 
Pins2 
–
–
–
–
Rated Current3 A
Working Voltage200 V (AC)
Operating Temperature -25 °C up to +105 °C
62000621121
WR-PHD Pin Header, –, –
Simu­lation–
Downloads7 files

EDA models: Components ZIP

CAD files ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header
–
–
–
–
–
–
–
–
–
–
PackagingBag 
Packaging Unit1000 
Pins6 
TypeStraight 
MountTHT 
Length6 mm
–
Rated Current2 A
Working Voltage200 V (AC)
Operating Temperature -40 °C up to +105 °C