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Details
| Topologie | Aufwärtswandler |
| Eingangsspannung | 6-55 V |
| Schaltfrequenz | 75-550 kHz |
| Ausgang 1 | 48 V / 4 A |
Beschreibung
The LT C®3897-2 is a synchronous boost DC/DC controller with surge stopper and ideal diode controller. The boost controller drives two N-channel power MOSFET stages out-of-phase to reduce input and output capacitor requirements, allowing the use of smaller inductors than the single-phase equivalent. Synchronous rectification reduces power loss and eases thermal requirements.
Eigenschaften
- Input Supply Range: 4.5V to 65V (Up to 75V Surge)
- Reverse Input Protection to –40V
- Inrush Current Control, Overcurrent Protection andOutput Disconnect for Boost Converter
- Input Voltage Surge Protection with Adjustable Clamp Voltage
- Onboard Ideal Diode Controller
- Low Quiescent Current: 55μA
- 2-Phase Operation Reduces Required Input and Output Capacitance and Noise
- Output Voltage Up to 60V
- Adjustable Gate Drive Level 5V to 10V (OPTI-DRIVE)for Logic-Level or Standard Threshold FETs
- No External Bootstrap Diodes Required
- 5mm × 9mm QFN-44 Package with High Voltage Pin Spacing
Typische Anwendungen
- Military/Avionics
- Telecommunications
- Automotive
- Industrial
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | Drahttype | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCF SMT-Hochstrominduktivität, 22 µH, 13.8 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-HCF SMT-Hochstrominduktivität | Induktivität22 µH | Performance Nennstrom13.8 A | Sättigungsstrom 113 A | Sättigungsstrom @ 30%15 A | Gleichstromwiderstand11.72 mΩ | Eigenresonanzfrequenz12.5 MHz | DrahttypeFlach |