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Analog Devices LTC3774 | Demoboard DC2111A-A
LTC3774EUHE 4-Phase High Current Step-Down Converter with Very Low DCR Inductor
Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 10-14 V |
| Ausgang 1 | 1.2 V / 90 A |
| IC-Revision | A |
Beschreibung
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.
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | L (nH) | LR (nH) | ISAT1 (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Pins | Reihen | H (mm) | Gender | Typ | IR (A) | Verpackung | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744301033 | SPEC | 8 Dateien | WE-HCM SMT-Hochstrominduktivität | 330 | 325 | 44.9 | 48.9 | 0.32 | 28 | MnZn | 2 | – | 8.9 | – | – | 38 | – | ||
 | 60800213421 | SPEC | – | 3 Dateien | WR-PHD 2.00 mm Jumper with Test Point | – | – | – | – | – | – | – | 2 | – | – | Jumper | – | 3 | Beutel | |
 | 62000311121 | SPEC | – | 6 Dateien | WR-PHD 2.00 mm THT Pin Header | – | – | – | – | – | – | – | 3 | Single | – | Pin Header | Gerade | 2 | Beutel | |
| 62000411121 | SPEC | – | 6 Dateien | WR-PHD 2.00 mm THT Pin Header | – | – | – | – | – | – | – | 4 | Single | – | Pin Header | Gerade | 2 | Beutel |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 744301033 | SPEC | |
| 60800213421 | SPEC | – |
| 62000311121 | SPEC | – |
| 62000411121 | SPEC | – |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | L (nH) | LR (nH) | ISAT1 (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Pins | Reihen | H (mm) | Gender | Typ | IR (A) | Verpackung | Muster |
|---|