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Silicontent Technology SCT2452C | Demoboard EV2452C-B-02A
4.5V-42V VIN, 5A, High Efficiency Synchronous Step-Down DCDC Programmable Frequency Converte
Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 4.5-42 V |
| Schaltfrequenz | 100-2200 kHz |
| Ausgang 1 | 3.3 V / 5 A |
| IC-Revision | 1.0 |
Beschreibung
The SCT2452C is 5A buck converter with wide input voltage, ranging from 4.5V to 42V, which integrates an 80mΩ high-side MOSFET. The SCT2452C, adopting the peak current mode control, supports the Pulse Skipping Modulation (PSM) which assists the converter on achieving high efficiency at light load or standby condition.The SCT2452C features programmable switching frequency from 100kHz to 2.2MHz with an external resistor, which provides the flexibility to optimize either efficiency or external component size. The converter supports external clock synchronization with a frequency band from 100kHz to 2.2MHz. The SCT2452C allows power conversion from high input voltage to low output voltage with a minimum 130ns on time of high-side MOSFET.The device offers adjustable soft start to prevent inrush current during the startup of output voltage ramping. The SCT2452C features internal loop compensation to simplify the loop compensation design.The SCT2452C provides cycle-by-cycle current limit, thermal shutdown protection, output over-voltage protection and input voltage under-voltage protection. The device is available in an 8-pin ESOP-8 package.
Eigenschaften
- Wide Input Range: 4.5V-42V
- Up to 5A Continuous Output Current
- 0.8V ±1% Feedback Reference Voltage
- Integrated 80mΩ High-Side MOSFET
- Low Quiescent Current: 100uA
- Pulse Skipping Mode (PSM) in light load
- -30ns Minimum On-time
- Programmable Soft-start Time
- Adjustable Frequency 100KHz to 2.2MHz
- External Clock Synchronization
- Precision Enable Threshold for ProgrammableInput Voltage Under-Voltage Lock Out Protection (UVLO) Threshold and Hysteresis
- Low Dropout Mode Operation
- Derivable Inverting Voltage Regulator
- Over-voltage and Over-Temperature Protection
- Available in an ESOP-8 Package
Typische Anwendungen
- 12-V, 24-V, 48-V Industry and Telecom Power System
- Vehicle Accessories
- Industrial Automation and Motor Control
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | C | Tol. C | VR(V (DC)) | Bauform | Betriebstemperatur | DF(%) | RISO | L(mm) | B(mm) | H(mm) | Fl(mm) | Keramiktyp | Verpackung | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | Pins | Typ | Montageart | IR(A) | Arbeitsspannung(V (AC)) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 25 V(DC), 22 nF, ±10% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 25 V(DC) | Kapazität22 nF | Kapazität±10% | Nennspannung25 V (DC) | Bauform0603 | Betriebstemperatur -55 °C up to +125 °C | Verlustfaktor3.5 % | Isolationswiderstand10 GΩ | Länge1.6 mm | Breite0.8 mm | Höhe0.8 mm | Pad Dimension0.4 mm | KeramiktypX7R Klasse II | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 100 nF, ±10% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | Kapazität100 nF | Kapazität±10% | Nennspannung50 V (DC) | Bauform0603 | Betriebstemperatur -55 °C up to +125 °C | Verlustfaktor3 % | Isolationswiderstand5 GΩ | Länge1.6 mm | Breite0.8 mm | Höhe0.8 mm | Pad Dimension0.4 mm | KeramiktypX7R Klasse II | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 100 V(DC), 100 nF, ±10% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 100 V(DC) | Kapazität100 nF | Kapazität±10% | Nennspannung100 V (DC) | Bauform0603 | Betriebstemperatur -55 °C up to +125 °C | Verlustfaktor5 % | Isolationswiderstand1 GΩ | Länge1.6 mm | Breite0.8 mm | Höhe0.8 mm | Pad Dimension0.4 mm | KeramiktypX7R Klasse II | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | |||||
 | WCAP-CSST Soft Termination, 2.2 µF, ±10% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSST Soft Termination | Kapazität2.2 µF | Kapazität±10% | Nennspannung100 V (DC) | Bauform1210 | Betriebstemperatur -55 °C up to +125 °C | Verlustfaktor5 % | Isolationswiderstand0.05 GΩ | Länge3.2 mm | Breite2.5 mm | Höhe2.5 mm | Pad Dimension0.75 mm | KeramiktypX7R Klasse II | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | ||||
| WCAP-CSGP MLCCs 16 V(DC), 47 µF, ±20% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 16 V(DC) | Kapazität47 µF | Kapazität±20% | Nennspannung16 V (DC) | Bauform1210 | Betriebstemperatur -55 °C up to +85 °C | Verlustfaktor10 % | Isolationswiderstand0.002 GΩ | Länge3.2 mm | Breite2.5 mm | Höhe2.5 mm | Pad Dimension0.75 mm | KeramiktypX5R Klasse II | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | |||||
 | WE-HCI SMT-Hochstrominduktivität, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-HCI SMT-Hochstrominduktivität | – | – | – | Bauform1050 | Betriebstemperatur -40 °C up to +150 °C | – | – | Länge10.5 mm | Breite10.2 mm | Höhe4.7 mm | – | – | – | Induktivität5.5 µH | Performance Nennstrom12 A | Sättigungsstrom 14.5 A | Sättigungsstrom @ 30%12 A | Gleichstromwiderstand10.3 mΩ | Eigenresonanzfrequenz30 MHz | MaterialSuperflux | Pins2 | – | MontageartSMT | – | – | ||||
 | WR-PHD Stiftleisten - Einreihig, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten - Einreihig | – | – | – | – | Betriebstemperatur -40 °C up to +105 °C | – | Isolationswiderstand1000 MΩ | Länge7.62 mm | – | – | – | – | VerpackungBeutel | – | – | – | – | – | – | – | Pins3 | TypGerade | MontageartTHT | Nennstrom3 A | Arbeitsspannung250 V (AC) |