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reference designLTC7810ILXE | Demoboard RD231

Toshiba LTC7810ILXE | Demoboard RD231

48 V Bus Compatible 1.2 V/100 A Double Step-Down DC-DC Converter

Overview

TopologyBuck Converter
Input voltage40-59.5 V
Output 11.2 V / 100 A
IC revision1

Description

The 48 V power supply for servers is getting popular in order to reduce power consumption of data centers. This DC-DC converter can convert the 48 V bus voltage to 1.2 V/100 A for several devices on a server efficiently. Design files and guides for circuit design and operation are available as reference design.

Features

  • Provides 1.2 V/100 A from the 48 V bus line very efficiently
  • Total efficiency 83 % (Vin = 50 V at 100 % load condition)
  • Outline size : 198 mm x 151 mm
  • Provides the latest power MOSFET totally

Typical applications

  • Server

More information

Parts approved by Toshiba

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(nH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC max.(Ω)
fres(MHz)
Wire Type
LR(nH)
IR(A)
RDC(mΩ)
Material
Mount
ISAT(A)
SamplesAvailability & Sample
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744308020
SPECWE-HCM SMT High Current Flat Wire Inductor, 200 nH, 54.3 A

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.

Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-HCM SMT High Current Flat Wire Inductor
Inductance200 nH
Performance Rated Current54.3 A
Saturation Current @ 10%44 A
Saturation Current @ 30%50.4 A
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Self Resonant Frequency45 MHz
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Rated Inductance198 nH
Rated Current25 A
DC Resistance0.37 mΩ
MaterialMnZn 
MountSMT 
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–Check availability
744774022
SPECWE-PD2 SMT Power Inductor, 2200 nH, –
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-PD2 SMT Power Inductor
Inductance2200 nH
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DC Resistance0.041 Ω
Self Resonant Frequency54 MHz
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Rated Current4.6 A
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MaterialNiZn 
MountSMT 
Saturation Current8.2 A
–Check availability
74437324100
SPECWE-LHMI SMT Power Inductor, 10000 nH, 1.95 A
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-LHMI SMT Power Inductor
Inductance10000 nH
Performance Rated Current1.95 A
Saturation Current @ 10%1.5 A
Saturation Current @ 30%3.15 A
DC Resistance0.243 Ω
Self Resonant Frequency23 MHz
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–
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MountSMT 
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–Check availability
7443632200
SPECWE-HCF SMT High Current Inductor, 22000 nH, 13.8 A
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-HCF SMT High Current Inductor
Inductance22000 nH
Performance Rated Current13.8 A
Saturation Current @ 10%13 A
Saturation Current @ 30%15 A
DC Resistance0.01172 Ω
Self Resonant Frequency12.5 MHz
Wire TypeFlat 
Rated Inductance21100 nH
Rated Current12.5 A
DC Resistance10.65 mΩ
MaterialMnZn 
MountSMT 
Saturation Current15 A
–Check availability