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Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 48 V |
| Schaltfrequenz | 75-850 kHz |
| Ausgang 1 | 12 V / 10 A |
| IC-Revision | 00 |
Beschreibung
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 over current protection.Inductor DCR current sensing is optional.
Eigenschaften
- Wide VIN Range: 4V to 140V (150V Abs Max)
- Wide Output Voltage Range: 0.8V to 60V
- Adjustable Gate Drive Level: 5V to 10V (OPTI-DRIVE)
- Low Operating IQ: 40μA (Shutdown = 10μA)
- 100% Duty Cycle Operation
- No External Bootstrap Diode Required
- Selectable Gate Drive UVLO Thresholds
- Onboard LDO or External NMOS LDO for DRVCC
- EXTVCC LDO Powers Drivers from VOUT
- Phase-Lockable Frequency (75kHz to 850kHz)
- Programmable Fixed Frequency (50kHz to 900kHz)
- Selectable Continuous, Pulse-Skipping or Low RippleBurst Mode® Operation at Light Loads
- Adjustable Burst Clamp
- Power Good Output Voltage Monitor
- Programmable Input Overvoltage Lockout
- Small 24-Lead 4mm × 5mm QFN or TSSOP Packages
Typische Anwendungen
- High Voltage Battery Operated Systems
- Automotive and Industrial Power Systems
- Telecommunications Power Systems
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L (mm) | f (mm) | L (µH) | IRP,40K (A) | ISAT1 (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Pins (Value) (pcs) | Reihen | H (mm) | Gender | Typ | IR (A) | Verpackung | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 62000211121 | SPEC | – | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-PHD 2.00 mm THT Pin Header | 4 | – | – | – | – | – | – | – | 2 | Single | – | Pin Header | Gerade | 2 | Beutel | |
 | 62000311121 | SPEC | – | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-PHD 2.00 mm THT Pin Header | 6 | – | – | – | – | – | – | – | 3 | Single | – | Pin Header | Gerade | 2 | Beutel | |
 | 62000821121 | SPEC | – | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-PHD 2.00 mm THT Dual Pin Header | 8 | – | – | – | – | – | – | – | 8 | Dual | – | Pin Header | Gerade | 2 | Beutel | |
 | 702935000 | SPEC | – | 3 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WA-SNSR Self-Retaining Spacer | 12.7 | 4.8 | – | – | – | – | – | – | – | – | – | – | – | – | – | |
 | 7443633300 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-HCF SMT-Hochstrominduktivität | 20.8 | – | 33 | 13.3 | 9.5 | 11 | 12.54 | 12 | 2 | – | 13.5 | – | – | 13.3 | – | ||
 | 60800213421 | SPEC | – | 3 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-PHD 2.00 mm Jumper with Test Point | – | – | – | – | – | – | – | – | 2 | – | – | Jumper | – | 3 | Beutel |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 62000211121 | SPEC | – |
| 62000311121 | SPEC | – |
| 62000821121 | SPEC | – |
| 702935000 | SPEC | – |
| 7443633300 | SPEC | |
| 60800213421 | SPEC | – |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L (mm) | f (mm) | L (µH) | IRP,40K (A) | ISAT1 (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Pins (Value) (pcs) | Reihen | H (mm) | Gender | Typ | IR (A) | Verpackung | Muster |
|---|