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Analog Devices LTC3374 | Demoboard DC2440A
LTC3374AEUHF High Accuracy 8-Channel Parallelable 1A Buck DC/DC
Overview
| Topology | Buck Converter |
| Input voltage | 2.25-5.5 V |
| Output 1 | 2.5 V / 1 A |
| Output 2 | 1.8 V / 1 A |
| Output 3 | 2 V / 1 A |
| Output 4 | 1.2 V / 1 A |
| Output 5 | 3.3 V / 1 A |
| Output 6 | 1.5 V / 1 A |
| Output 7 | 1 V / 1 A |
| Output 8 | 3 V / 1 A |
| IC revision | A |
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
Products
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) | Pins | Type | Mount | L(mm) | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-MAPI SMT Power Inductor, 0.33 µH, 14.95 A | Status Activei| Production 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 | – | Pins2 | – | MountSMT | Length4 mm | Height2 mm | Rated Current9.6 A | – | Operating Temperature -40 °C up to +125 °C | ||||
 | WE-MAPI SMT Power Inductor, 0.68 µH, 6.75 A | Status Activei| Production 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 | – | Pins2 | – | MountSMT | Length3 mm | Height2 mm | Rated Current4.5 A | – | Operating Temperature -40 °C up to +125 °C | ||||
| WE-MAPI SMT Power Inductor, 0.68 µH, 13.15 A | Status Activei| Production 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 | – | Pins2 | – | MountSMT | Length4 mm | Height2 mm | Rated Current8.2 A | – | Operating Temperature -40 °C up to +125 °C | ||||
 | WE-HCI SMT Flat Wire High Current Inductor, 1 µH, 14.8 A | Status Activei| Production 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 | – | Self Resonant Frequency158 MHz | – | – | DC Resistance5.225 mΩ | MaterialSuperflux | VersionSMT | Saturation Current @ 10%5.5 A | DC Resistance4.75 mΩ | Pins2 | – | MountSMT | Length5.5 mm | Height4 mm | – | – | Operating Temperature -40 °C up to +150 °C | ||||
| WE-MAPI SMT Power Inductor, 1.5 µH, 5.35 A | Status Activei| Production 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 | – | Pins2 | – | MountSMT | Length3 mm | Height2 mm | Rated Current3.7 A | – | Operating Temperature -40 °C up to +125 °C | ||||
| WE-MAPI SMT Power Inductor, 2.2 µH, 6.2 A | Status Activei| Production 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 | – | Pins2 | – | MountSMT | Length4 mm | Height2 mm | Rated Current4.7 A | – | Operating Temperature -40 °C up to +125 °C | ||||
 | WE-SPC SMT Power Inductor, 4.7 µH, – | Status Activei| Production 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 | – | – | Pins2 | – | MountSMT | Length4.8 mm | Height3.8 mm | Rated Current2.2 A | – | Operating Temperature -40 °C up to +125 °C | ||||
 | WR-PHD Jumper, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | – | – | – | – | – | – | – | – | – | – | – | – | Pins2 | – | – | – | – | Rated Current3 A | Working Voltage200 V (AC) | Operating Temperature -25 °C up to +105 °C | |||
 | WR-PHD Pin Header, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | Pins3 | TypeStraight | MountTHT | Length6 mm | – | Rated Current2 A | Working Voltage200 V (AC) | Operating Temperature -40 °C up to +105 °C |