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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
Overview
| Topology | Buck Converter |
| Input voltage | 4.5-42 V |
| Switching frequency | 100-2200 kHz |
| Output 1 | 3.3 V / 5 A |
| IC revision | 1.0 |
Description
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.
Features
- 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
Typical applications
- 12-V, 24-V, 48-V Industry and Telecom Power System
- Vehicle Accessories
- Industrial Automation and Motor Control
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | L(mm) | W(mm) | H(mm) | Fl(mm) | Ceramic Type | Packaging | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | Pins | Type | Mount | IR(A) | Working Voltage(V (AC)) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 25 V(DC), 22 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance22 nF | Capacitance±10% | Rated Voltage25 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Insulation Resistance10 GΩ | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Ceramic TypeX7R Class II | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 100 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance100 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3 % | Insulation Resistance5 GΩ | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Ceramic TypeX7R Class II | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 100 V(DC), 100 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 100 V(DC) | Capacitance100 nF | Capacitance±10% | Rated Voltage100 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor5 % | Insulation Resistance1 GΩ | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Ceramic TypeX7R Class II | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | |||||
 | WCAP-CSST Soft Termination, 2.2 µF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSST Soft Termination | Capacitance2.2 µF | Capacitance±10% | Rated Voltage100 V (DC) | Size1210 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor5 % | Insulation Resistance0.05 GΩ | Length3.2 mm | Width2.5 mm | Height2.5 mm | Pad Dimension0.75 mm | Ceramic TypeX7R Class II | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | ||||
| WCAP-CSGP MLCCs 16 V(DC), 47 µF, ±20% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 16 V(DC) | Capacitance47 µF | Capacitance±20% | Rated Voltage16 V (DC) | Size1210 | Operating Temperature -55 °C up to +85 °C | Dissipation Factor10 % | Insulation Resistance0.002 GΩ | Length3.2 mm | Width2.5 mm | Height2.5 mm | Pad Dimension0.75 mm | Ceramic TypeX5R Class II | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | |||||
 | WE-HCI SMT Flat Wire High Current Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | – | – | – | Size1050 | Operating Temperature -40 °C up to +150 °C | – | – | Length10.5 mm | Width10.2 mm | Height4.7 mm | – | – | – | Inductance5.5 µH | Performance Rated Current12 A | Saturation Current @ 10%4.5 A | Saturation Current @ 30%12 A | DC Resistance10.3 mΩ | Self Resonant Frequency30 MHz | MaterialSuperflux | Pins2 | – | MountSMT | – | – | ||||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | Length7.62 mm | – | – | – | – | PackagingBag | – | – | – | – | – | – | – | Pins3 | TypeStraight | MountTHT | Rated Current3 A | Working Voltage250 V (AC) |