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Silicontent Technology SCT9430 | Demoboard EV9430-B-03A
3.8V-36V Vin, 3A Synchronous Buck Converter with EMI Reduction EV9430-
Overview
| Topology | Buck Converter |
| Input voltage | 3.8-36 V |
| Output 1 | 3 A |
| IC revision | 1.0 |
Description
The EV9430-B-03A Evaluation Board is designed to demonstrate the capabilities of SCT9430 what are EMI friendly synchronous buck converters with up to 36V wide input voltage range. which fully integrates an 80mΩ high-side MOSFET and a 42mΩ low-side MOSFET to provide high efficiency step-down DC-DC conversion.The SCT9430 is an Electromagnetic Interference (EMI) friendly buck converter with implementing optimized design for EMI reduction. The converter has proprietary designed gate driver scheme to resist switching node ringing without sacrificing MOSFET turn-on and turn-off time, which further erases high frequency radiation EMI noise caused by the MOSFETs hard switching.The device is available in a low- profile TSOT23-6L package.This user's guide describes the characteristics,operation and the use of the EV9430-B-03A Evaluation Module including EVM specifications, recommended test setup, test result, schematic diagram, bill of materials, and the board layout.
Features
- EMI Reduction with Switching Node Ringing-free
- 3.8V-36V Wide Input Voltage Range
- 0.8V ±1% Feedback Reference Voltage
- Up to 3A Continuous Output Load Current
- 400kHz Switching Frequency with 6% Frequency Spread Spectrum (FSS)
- 1uA Shut-down Current
- Peak Current Mode Control with Integrated Loop Compensation
- Pulse Skipping Mode PSM with 25uA Quiescent Current in Light Load Condition
- 4ms Soft Start Time
- Over-voltage and Over-Temperature Protection
- Available in TSOT23-6LPackage
Typical applications
- Industrial Control System
- Automotive System
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | RDC max.(mΩ) | fres(MHz) | Mount | Pins | Type | IR(A) | Working Voltage(V (AC)) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 25 V(DC), 330 pF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance330 pF | Capacitance±10% | Rated Voltage25 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | 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 | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 10 µF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance10 µF | Capacitance±10% | Rated Voltage50 V (DC) | Size1210 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor10 % | Insulation Resistance0.01 GΩ | Ceramic TypeX7R Class II | Length3.2 mm | Width2.5 mm | Height2.5 mm | Pad Dimension0.6 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 16 V(DC), 22 µF, ±20% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 16 V(DC) | Capacitance22 µF | Capacitance±20% | Rated Voltage16 V (DC) | Size1210 | Operating Temperature -55 °C up to +85 °C | Dissipation Factor10 % | Insulation Resistance0.02 GΩ | Ceramic TypeX5R Class II | Length3.2 mm | Width2.5 mm | Height2.5 mm | Pad Dimension0.6 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | |||||
 | 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 | – | Length5.08 mm | – | – | – | PackagingBag | – | – | – | – | – | – | MountTHT | Pins2 | TypeStraight | Rated Current3 A | Working Voltage250 V (AC) | |||
 | WE-XHMI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | – | – | – | Size6060 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length6.65 mm | Width6.45 mm | Height6.1 mm | – | – | Inductance4.7 µH | Performance Rated Current9.6 A | Saturation Current @ 30%13 A | DC Resistance13 mΩ | DC Resistance14.3 mΩ | Self Resonant Frequency28 MHz | MountSMT | Pins2 | – | Rated Current7.4 A | – | ||||
| WE-XHMI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | – | – | – | Size6060 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length6.65 mm | Width6.45 mm | Height6.1 mm | – | – | Inductance5.6 µH | Performance Rated Current8.9 A | Saturation Current @ 30%12.1 A | DC Resistance15 mΩ | DC Resistance16.5 mΩ | Self Resonant Frequency25 MHz | MountSMT | Pins2 | – | Rated Current6.9 A | – | ||||
| WE-XHMI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | – | – | – | Size6060 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length6.65 mm | Width6.45 mm | Height6.1 mm | – | – | Inductance6.8 µH | Performance Rated Current8.1 A | Saturation Current @ 30%11.3 A | DC Resistance17.6 mΩ | DC Resistance19.36 mΩ | Self Resonant Frequency22 MHz | MountSMT | Pins2 | – | Rated Current6.5 A | – | ||||
| WE-XHMI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | – | – | – | Size6060 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length6.65 mm | Width6.45 mm | Height6.1 mm | – | – | Inductance8.2 µH | Performance Rated Current6.95 A | Saturation Current @ 30%9.3 A | DC Resistance23 mΩ | DC Resistance25.3 mΩ | Self Resonant Frequency19 MHz | MountSMT | Pins2 | – | Rated Current5.3 A | – | ||||
| WE-XHMI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | – | – | – | Size6060 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length6.65 mm | Width6.45 mm | Height6.1 mm | – | – | Inductance10 µH | Performance Rated Current6.4 A | Saturation Current @ 30%9.7 A | DC Resistance26.5 mΩ | DC Resistance29.15 mΩ | Self Resonant Frequency18 MHz | MountSMT | Pins2 | – | Rated Current5 A | – | ||||
| WE-XHMI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | – | – | – | Size6060 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length6.65 mm | Width6.45 mm | Height6.1 mm | – | – | Inductance1 µH | Performance Rated Current20.95 A | Saturation Current @ 30%24 A | DC Resistance3.39 mΩ | DC Resistance4.07 mΩ | Self Resonant Frequency60 MHz | MountSMT | – | – | – | – | ||||
| WE-XHMI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | – | – | – | Size6060 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length6.65 mm | Width6.45 mm | Height6.1 mm | – | – | Inductance1.2 µH | Performance Rated Current20.5 A | Saturation Current @ 30%20 A | DC Resistance3.65 mΩ | DC Resistance4.38 mΩ | Self Resonant Frequency50 MHz | MountSMT | – | – | – | – | ||||
| WE-XHMI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | – | – | – | Size6060 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length6.65 mm | Width6.45 mm | Height6.1 mm | – | – | Inductance1.5 µH | Performance Rated Current19.35 A | Saturation Current @ 30%20.5 A | DC Resistance3.9 mΩ | DC Resistance4.68 mΩ | Self Resonant Frequency44 MHz | MountSMT | – | – | – | – | ||||
| WE-XHMI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | – | – | – | Size6060 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length6.65 mm | Width6.45 mm | Height6.1 mm | – | – | Inductance1.8 µH | Performance Rated Current17.35 A | Saturation Current @ 30%18.3 A | DC Resistance4.7 mΩ | DC Resistance5.64 mΩ | Self Resonant Frequency42 MHz | MountSMT | – | – | – | – | ||||
| WE-XHMI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | – | – | – | Size6060 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length6.65 mm | Width6.45 mm | Height6.1 mm | – | – | Inductance2.2 µH | Performance Rated Current15.75 A | Saturation Current @ 30%19.5 A | DC Resistance5.58 mΩ | DC Resistance6.69 mΩ | Self Resonant Frequency37 MHz | MountSMT | – | – | – | – | ||||
| WE-XHMI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | – | – | – | Size6060 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length6.65 mm | Width6.45 mm | Height6.1 mm | – | – | Inductance3.3 µH | Performance Rated Current10.7 A | Saturation Current @ 30%15 A | DC Resistance10.83 mΩ | DC Resistance12.99 mΩ | Self Resonant Frequency31 MHz | MountSMT | – | – | – | – |