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Overview
| Topology | Buck Converter |
| Input voltage | 16-100 V |
| Switching frequency | 75-800 kHz |
| Output 1 | 12.24 V / 10 A |
| IC revision | 1 |
Description
Demonstration circuit 2641A is a single output synchronousbuck converter featuring the LTC7801EUFD in the24-lead QFN package. The input voltage range is from16V to 100V and the output is 12V/10A. The DC2641A isconfigured with a sense resistor for overcurrent protection.Inductor DCR current sensing is optional.The board has a lot of features including an optionalonboard NMOS LDO for DRVCC, a switch-mode powersupply for EXTVCC, jumper selectable 100% duty cycleoperation in dropout, a mode selector pin that allowsthe converter to run in CCM, pulse-skip, adjustable burst clamp or default Burst Mode® operation, a PGOOD outputvoltage monitor and PLLIN for PolyPhase® operation.The LTC7801 data sheet gives a complete descriptionof the part, operation and application information andmust be read in conjunction with this demo manual forDC2641A
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (mm) | f (mm) | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Wire Type | Pins (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 62000211121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.00 mm THT Pin Header | 4 | – | – | – | – | – | – | – | – | 2 | Single | – | Pin Header | Straight | 2 | Bag | |
 | 62000311121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.00 mm THT Pin Header | 6 | – | – | – | – | – | – | – | – | 3 | Single | – | Pin Header | Straight | 2 | Bag | |
 | 62000821121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.00 mm THT Dual Pin Header | 8 | – | – | – | – | – | – | – | – | 8 | Dual | – | Pin Header | Straight | 2 | Bag | |
 | 702935000 | SPEC | – | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WA-SNSR Self-Retaining Spacer | 12.7 | 4.8 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
 | 7443633300 | SPEC PCN pendingDue 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. | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCF SMT High Current Inductor | 20.8 | – | 33 | 13.3 | 9.5 | 11 | 12.54 | 12 | Flat | 2 | – | 13.5 | – | – | 12 | – | ||
 | 60800213421 | SPEC | – | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.00 mm Jumper with Test Point | – | – | – | – | – | – | – | – | – | 2 | – | – | Jumper | – | 3 | Bag |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 62000211121 | SPEC | – |
| 62000311121 | SPEC | – |
| 62000821121 | SPEC | – |
| 702935000 | SPEC | – |
| 7443633300 | SPEC PCN pendingDue 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. | |
| 60800213421 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (mm) | f (mm) | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Wire Type | Pins (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
|---|
