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reference designLTC3374 | Demoboard DC2440A

Analog Devices LTC3374 | Demoboard DC2440A

LTC3374AEUHF High Accuracy 8-Channel Parallelable 1A Buck DC/DC

Overview

TopologyBuck Converter
Input voltage2.25-5.5 V
Output 12.5 V / 1 A
Output 21.8 V / 1 A
Output 32 V / 1 A
Output 41.2 V / 1 A
Output 53.3 V / 1 A
Output 61.5 V / 1 A
Output 71 V / 1 A
Output 83 V / 1 A
IC revisionA

Description

Demonstration circuit 2440A is an 8-output power supplyfeaturing the LTC®3374A with improved efficiency and accuracycompared to the LTC3374. The LTC3374A has eightsynchronous buck regulators each with an independentVIN supply. Up to four buck regulators may be paralleledtogether to create a higher power buck regulator with asingle inductor. The input range of the LTC3374A is idealfor single cell Li-Ion/Polymer battery applications.

More information

Parts approved by Analog Devices

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
fres(MHz)
VOP(V)
ISAT(A)
RDC max.(mΩ)
Material
Version
ISAT,10%(A)
RDC(mΩ)
Qty.
Pins
Type
Mount
L(mm)
H(mm)
IR(A)
Working Voltage(V (AC))
Operating Temperature
Packaging
SamplesAvailability & Sample
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744383560033
SPECWE-MAPI SMT Power Inductor, 0.33 µH, 14.95 A
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-MAPI SMT Power Inductor
Inductance0.33 µH
Performance Rated Current14.95 A
Saturation Current @ 30%16.7 A
DC Resistance6 mΩ
Self Resonant Frequency115 MHz
Operating Voltage80 V
Saturation Current12.4 A
DC Resistance7.2 mΩ
–
VersionSMT 
Saturation Current @ 10%7.95 A
–
Packaging Unit1000 
Pins2 
–
MountSMT 
Length4 mm
Height2 mm
Rated Current9.6 A
–
Operating Temperature -40 °C up to +125 °C
–
–Check availability
744383360068
SPECWE-MAPI SMT Power Inductor, 0.68 µH, 6.75 A
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-MAPI SMT Power Inductor
Inductance0.68 µH
Performance Rated Current6.75 A
Saturation Current @ 30%8.1 A
DC Resistance22 mΩ
Self Resonant Frequency85 MHz
Operating Voltage80 V
Saturation Current6.2 A
DC Resistance27 mΩ
–
VersionSMT 
Saturation Current @ 10%4.1 A
–
Packaging Unit1000 
Pins2 
–
MountSMT 
Length3 mm
Height2 mm
Rated Current4.5 A
–
Operating Temperature -40 °C up to +125 °C
–
–Check availability
744383560068
SPECWE-MAPI SMT Power Inductor, 0.68 µH, 13.15 A
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-MAPI SMT Power Inductor
Inductance0.68 µH
Performance Rated Current13.15 A
Saturation Current @ 30%12.7 A
DC Resistance7.5 mΩ
Self Resonant Frequency75 MHz
Operating Voltage80 V
Saturation Current9.4 A
DC Resistance9 mΩ
–
VersionSMT 
Saturation Current @ 10%5.8 A
–
Packaging Unit1000 
Pins2 
–
MountSMT 
Length4 mm
Height2 mm
Rated Current8.2 A
–
Operating Temperature -40 °C up to +125 °C
–
–Check availability
744316100
SPECWE-HCI SMT Flat Wire High Current Inductor, 1 µH, 14.8 A
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance1 µH
Performance Rated Current14.8 A
Saturation Current @ 30%11.5 A
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Self Resonant Frequency158 MHz
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–
DC Resistance5.225 mΩ
MaterialSuperflux 
VersionSMT 
Saturation Current @ 10%5.5 A
DC Resistance4.75 mΩ
Packaging Unit1500 
Pins2 
–
MountSMT 
Length5.5 mm
Height4 mm
–
–
Operating Temperature -40 °C up to +150 °C
–
–Check availability
74438336015
SPECWE-MAPI SMT Power Inductor, 1.5 µH, 5.35 A
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-MAPI SMT Power Inductor
Inductance1.5 µH
Performance Rated Current5.35 A
Saturation Current @ 30%5.85 A
DC Resistance33 mΩ
Self Resonant Frequency51 MHz
Operating Voltage80 V
Saturation Current4.5 A
DC Resistance39 mΩ
–
VersionSMT 
Saturation Current @ 10%2.95 A
–
Packaging Unit1000 
Pins2 
–
MountSMT 
Length3 mm
Height2 mm
Rated Current3.7 A
–
Operating Temperature -40 °C up to +125 °C
–
–Check availability
74438356022
SPECWE-MAPI SMT Power Inductor, 2.2 µH, 6.2 A
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-MAPI SMT Power Inductor
Inductance2.2 µH
Performance Rated Current6.2 A
Saturation Current @ 30%7.9 A
DC Resistance29 mΩ
Self Resonant Frequency34 MHz
Operating Voltage80 V
Saturation Current6.2 A
DC Resistance35 mΩ
–
VersionSMT 
Saturation Current @ 10%4.05 A
–
Packaging Unit1000 
Pins2 
–
MountSMT 
Length4 mm
Height2 mm
Rated Current4.7 A
–
Operating Temperature -40 °C up to +125 °C
–
–Check availability
74408943047
SPECWE-SPC SMT Power Inductor, 4.7 µH, –
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-SPC SMT Power Inductor
Inductance4.7 µH
–
–
DC Resistance45 mΩ
Self Resonant Frequency44 MHz
–
Saturation Current3.2 A
DC Resistance52 mΩ
–
VersionSMT 
–
–
Packaging Unit500 
Pins2 
–
MountSMT 
Length4.8 mm
Height3.8 mm
Rated Current2.2 A
–
Operating Temperature -40 °C up to +125 °C
–
–Check availability
60800213421
SPECWR-PHD Jumper, –, –
Simu­lation–
Availability
–
Downloads3 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Jumper
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–
–
–
–
–
–
–
–
–
–
–
Packaging Unit1000 
Pins2 
–
–
–
–
Rated Current3 A
Working Voltage200 V (AC)
Operating Temperature -25 °C up to +105 °C
PackagingBag 
–Check availability
62000311121
SPECWR-PHD Pin Header, –, –
Simu­lation–
Availability
–
Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header
–
–
–
–
–
–
–
–
–
–
–
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Packaging Unit1000 
Pins3 
TypeStraight 
MountTHT 
Length6 mm
–
Rated Current2 A
Working Voltage200 V (AC)
Operating Temperature -40 °C up to +105 °C
PackagingBag 
–Check availability