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Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 4-14 V |
| Schaltfrequenz | 480-720 kHz |
| Ausgang 1 | 12 V / 1.5 A |
| IC-Revision | 002+ |
Beschreibung
BD8303MUV is ROHM’s high efficiency step-up/step-down switching regulator IC. It produces output of 3.3V / 5V from 1 cell of lithium battery, 4 batteries, or 2 cells of Li batteries with just one inductor. This IC uses an original step-up/step-down drive system and provides a higher efficient power supply than conventional SEPIC-system or H-bridge system switching regulators.
Eigenschaften
- Highly-Efficient Step-Up/Step-Down DC/DC Converter Implemented with Just One Inductor
- Supports High-Current Applications with External N-Channel FET
- Incorporates a Soft-Start Function
- Incorporates a Timer-Latch System with Short Circuit Protection Function
Typische Anwendungen
- Portable DVDs player, Mobile PCs, DVC, Single-Lens Reflex Cameras
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | C | Tol. C | VR(V (DC)) | Bauform | Betriebstemperatur | Q(%) | RISO | Keramiktyp | L(mm) | B(mm) | H(mm) | Fl(mm) | Verpackung | L(µH) | ISAT,10%(A) | ISAT,30%(A) | IR,40K(A) | IRP,40K(A) | RDC max.(mΩ) | fres(MHz) | Version | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 50 V(DC), 68 pF, ±5% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | Kapazität68 pF | Kapazität±5% | Nennspannung50 V (DC) | Bauform0402 | Betriebstemperatur -55 °C up to +125 °C | Güte1000 % | Isolationswiderstand10 GΩ | KeramiktypNP0 Klasse I | Länge1 mm | Breite0.5 mm | Höhe0.5 mm | Pad Dimension0.25 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | – | |||||
 | WE-PD Speicherdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-PD Speicherdrossel | – | – | – | Bauform1280 | Betriebstemperatur -40 °C up to +125 °C | – | – | – | Länge12 mm | Breite12 mm | Höhe8 mm | – | – | Induktivität4.7 µH | Sättigungsstrom 111 A | Sättigungsstrom @ 30%14.3 A | Nennstrom9.5 A | Performance Nennstrom11 A | Gleichstromwiderstand12 mΩ | Eigenresonanzfrequenz31.2 MHz | VersionGestanzt |