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Details
| Topologie | Sonstige Topologie |
| Schaltfrequenz | 650-830 kHz |
| IC-Revision | 2 |
Beschreibung
Project: SC192EVBMain IC: SC192IMLTRTApplication: PowerThe SC192 is a synchronous step-down converter withintegrated power devices designed for battery operatedsystems. The internal power switches reduce systemsize and cost. In addition, an efficiency of 95% can beachieved for significant line and load ranges. The SC192is designed for single-cell Li-Ion battery applications, butalso performs well in fixed 3.3V or 5V input circuits.The SC192 has a flexible clocking scheme. It can besynchronized to an external oscillator, fixed to the internaloscillator, or allowed to modulate the frequency duringlight loads (PSAVE) for maximum battery life, by themethod called pulse frequency modulation (PFM). Shutdownplaces the switches in a high impedance state andturns off all control circuitry to achieve a typical quiescentcurrent of 0.1μA.Line and load regulation is to +/-0.5% of the output voltage.The internal MOSFET switches provide >1A peakcurrent to provide a DC output of at least 700mA.Grounding the ILIM pin reduces the current limit by half.The SC192 can achieve 100% duty cycle for excellentlow dropout performance and comes in a tiny MLPD-10,3 x 3 package having a maximum height of 1mm.
Eigenschaften
Remarks- BOM is added with Main pdf
2.7V to 7V Input Range???? Output Adjustable from 0.75V to Vin???? Fixed Frequency or PSAVE for MaximumEfficiency Over Wide Load Current Range???? 700mA Guaranteed Output Current???? No Schottky Diode Required???? 35μA Quiescent Current???? 100% Duty Cycle in Dropout???? 95% Efficiency???? Fast Transient Response???? Over Temperature Protection???? Space-saving Micro Lead-Frame PackageMLPD-10 3x3
Typische Anwendungen
- 1 Li-Ion or 3 NiMH/NiCd Powered Devices
- Notebook and Subnotebook Computers
- PDAs and Mobile Communicators
- Cell Phones
- Cordless Phones
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | C | Tol. C | VR(V (DC)) | Bauform | Betriebstemperatur | Q(%) | RISO | Keramiktyp | B(mm) | H(mm) | Fl(mm) | Verpackung | L(µH) | IR(A) | ISAT(A) | RDC(mΩ) | fres(MHz) | Poles | L(mm) | Dampfphasenprozess | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 50 V(DC), 470 pF, ±5% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | Kapazität470 pF | Kapazität±5% | Nennspannung50 V (DC) | Bauform0805 | Betriebstemperatur -55 °C up to +125 °C | Güte1000 % | Isolationswiderstand10 GΩ | KeramiktypNP0 Klasse I | Breite1.25 mm | Höhe0.8 mm | Pad Dimension0.5 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | Länge2 mm | – | |||||
 | WE-LQS SMT-Speicherdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-LQS SMT-Speicherdrossel | – | – | – | Bauform4018 | Betriebstemperatur -40 °C up to +125 °C | – | – | – | Breite4 mm | Höhe1.8 mm | – | – | Induktivität10 µH | Nennstrom1.2 A | Sättigungsstrom1.7 A | Gleichstromwiderstand150 mΩ | Eigenresonanzfrequenz28 MHz | – | Länge4 mm | – | ||||
 | WS-DITV Compact THT with Flat Actuator 2.54 mm, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWS-DITV Compact THT with Flat Actuator 2.54 mm | – | – | Nennspannung24 V (DC) | – | Betriebstemperatur -40 °C up to +85 °C | – | Isolationswiderstand100 MΩ | – | – | – | – | VerpackungTube | – | Nennstrom0.025 A | – | – | – | Poles3 | Länge8.92 mm | Dampfphasenprozessnicht spezifiziert |