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Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 4.5-38 V |
| Schaltfrequenz | 100-3000 kHz |
| Ausgang 1 | 5 V / 10 A |
Beschreibung
The LTC®7803 is a high performance, 100% Duty Cycle Capable, synchronous step-down DC/DC switching regulator controller that drives an all N-channel power MOSFET stage. Synchronous rectification increases efficiency, reduces power losses and eases thermal requirements. A constant frequency current mode architecture allows a phase-lockable switching frequency of up to 3MHz. The LTC7803 operates from a wide 4.5V to 40V input supply range.
Eigenschaften
- Low Operating IQ: 12μA (14V VIN to 3.3V VOUT)
- Wide Input Voltage Range: 4.5V to 40V
- Output Voltage Up to 40V
- Spread Spectrum Operation
- RSENSE or DCR Current Sensing
- PassThru™/100% Duty Cycle Capable
- Programmable Fixed Frequency (100kHz to 3MHz)
- Phase-Lockable Frequency (100kHz to 3MHz)
- Selectable Continuous, Pulse-Skipping, or Low Ripple Burst ModeR Operation at Light Loads
- Low Shutdown IQ: 1.2μA
- Thermally Enhanced 16-Pin 3mm × 3mm QFN and MSOP Packages
- AEC-Q100 Qualification in Progress
Typische Anwendungen
- Telecommunications
- Automotive and Transportation
- Industrial
- Military/Avionics
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L (µH) | IRP,40K (A) | ISAT1 (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744313180 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-HCI SMT-Hochstrominduktivität | 1.8 | 19.5 | 8 | 22 | 5.6 | 48 | Superflux |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L (µH) | IRP,40K (A) | ISAT1 (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Muster |
|---|
