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Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 4.5-13.2 V |
| Schaltfrequenz | 400-600 kHz |
| Ausgang 1 | 2.5 V / 2 A |
| IC-Revision | 004 |
Beschreibung
The BD9141MUV is ROHM’s high efficiencystep-down switching regulator designed to produce alow voltage including 5.0V/3.3V from 2 lithium cellpower supply line. It offers high efficiency by usingpulse skip control technology and synchronousswitches, and provides fast transient response tosudden load changes by implementing current modecontrol.
Eigenschaften
- Fast Transient Response because of Current ModePWM Control System
- High Efficiency for All Load Ranges because ofSynchronous Rectifier (Nch/Pch FET) and SLLMTM(Simple Light Load Mode)
- Soft-Start Function
- Thermal Shutdown and UVLO Functions
- Short-Circuit Protection with Time Delay Function
- Shutdown Function
Typische Anwendungen
- Power Supply for LSI including DSP, Microcomputer and ASIC
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) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-LHMI SMT Speicherdrossel, 4.7 µH, 4.35 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-LHMI SMT Speicherdrossel | Induktivität4.7 µH | Performance Nennstrom4.35 A | Sättigungsstrom 13.85 A | Sättigungsstrom @ 30%7.6 A | Gleichstromwiderstand53 mΩ | Eigenresonanzfrequenz25 MHz | MontageartSMT |