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Analog Devices LTC3774 | Demoboard DC2111A-A
LTC3774EUHE 4-Phase High Current Step-Down Converter with Very Low DCR Inductor
Overview
| Topology | Buck Converter |
| Input voltage | 10-14 V |
| Output 1 | 1.2 V / 90 A |
| IC revision | A |
Description
Demonstration circuit DC2111A features the LTC®3774 ina 4-phase, high output current step-down converter withsub-mΩ DCR sensing. This high performance converteroperates at a switching frequency of 400kHz over an inputvoltage range of 10V to 14V. The 5mm × 5mm DrMOSand 0.33µH/0.325mΩ inductor provide high efficiencywhile supplying 30A per phase. The board comes in twoassembly types. The –A assembly provides a 1.2V/90Aconverter with N+1 MOSFET failure protection and the –Bassembly provides a high efficiency 1.2V/120A converter.
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | L (nH) | LR (nH) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Pins | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744301033 | SPEC | 8 files | WE-HCM SMT High Current Flat Wire Inductor | 330 | 325 | 44.9 | 48.9 | 0.32 | 28 | MnZn | 2 | – | 8.9 | – | – | 38 | – | ||
 | 60800213421 | SPEC | – | 3 files | WR-PHD 2.00 mm Jumper with Test Point | – | – | – | – | – | – | – | 2 | – | – | Jumper | – | 3 | Bag | |
 | 62000311121 | SPEC | – | 6 files | WR-PHD 2.00 mm THT Pin Header | – | – | – | – | – | – | – | 3 | Single | – | Pin Header | Straight | 2 | Bag | |
| 62000411121 | SPEC | – | 6 files | WR-PHD 2.00 mm THT Pin Header | – | – | – | – | – | – | – | 4 | Single | – | Pin Header | Straight | 2 | Bag |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744301033 | SPEC | |
| 60800213421 | SPEC | – |
| 62000311121 | SPEC | – |
| 62000411121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | L (nH) | LR (nH) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Pins | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
|---|