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Silicontent Technology SCT2433 | Demoboard EV2433-B-01A
3.8V-40V Vin, 3.5A High Efficiency Synchronous Step-down DCDC Converter
Overview
| Topology | Buck Converter |
| Input voltage | 3.8-40 V |
| Output 1 | 3.3 V / 3.5 A |
| IC revision | 0.9 |
Description
3.8V-40V Vin, 3.5A High Efficiency Synchronous Step-down DCDC Converter Evaluation Board.The EV2430-B-03A Evaluation Board is designed to demonstrate the capabilities of SCT2430, SCT2431, SCT2432 and SCT2439, high efficiency fully integrated synchronous step-down DCDC converter supporting up to 3.5A continuous output current from an input source from 3.8V to 40V. The SCT2430 SCT2432 and SCT2439 offer adjustable switching frequency ranging from 100kHz to 2.2MHz with internal 4ms soft-start, which provides flexibility to optimize either efficiency or external component size. The SCT2431 features adjustable soft-start with fixed 570KHz switching frequency. Both devices are available in an easy-soldering 8-pin ESOP package.
Features
- Wide Input Range: 3.8V-40V
- Up to 3.5A Continuous Output Current
- 0.8V ±1%Feedback Reference Voltage
- Integrated 80mΩ High-Side Rdson and 50mΩ Low-Side Rdson Power MOSFETs
- 25uA Low Quiescent Current with Pulse Skipping Mode PSM at Light Load
- 100KHz to 2.2MHz Adjustable Frequency and External Clock Synchronization (SCT2430, SCT2432, SCT2439)
- Adjustable Soft-start (SCT2431, SCT2432)
- Low Dropout Mode Operation
- Derivable Inverting Voltage Regulator
- EMI Reduction with Frequency Spread Spectrum FSS
- Over-voltage and Over Temperature Protection
- Available in an ESOP-8 Package
Typical applications
- Industrial Distributed Power Supplies
- Optical Communication and Networking System
- USB Type-C Power Delivery
- Cigarette Lighter Adapters, USB Chargers
- Battery Pack Powered System - Cordless Power Tools, Cordless Home Appliance, Drone
- Automotive System
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | Pitch (mm) | Ø D (mm) | Pins | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012206077 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | 100 pF | ±10% | 50 | 0603 | -55 °C up to +125 °C | 2.5 | 10 GΩ | X7R Class II | 1.6 | 0.8 | 0.4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
| 885012206059 | SPEC | 8 files | WCAP-CSGP MLCCs 25 V(DC) | 1 nF | ±10% | 25 | 0603 | -55 °C up to +125 °C | 3.5 | 10 GΩ | X7R Class II | 1.6 | 0.8 | 0.4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
| 885012206071 | SPEC | 8 files | WCAP-CSGP MLCCs 25 V(DC) | 100 nF | ±10% | 25 | 0603 | -55 °C up to +125 °C | 3.5 | 5 GΩ | X7R Class II | 1.6 | 0.8 | 0.4 | – | – | – | – | – | – | – | – | -55 °C up to +125 °C | – | – | – | – | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
| 885012206095 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | 100 nF | ±10% | 50 | 0603 | -55 °C up to +125 °C | 3 | 5 GΩ | X7R Class II | 1.6 | 0.8 | 0.4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
| 885012209048 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | 4.7 µF | ±10% | 50 | 1210 | -55 °C up to +125 °C | 5 | 0.02 GΩ | X7R Class II | 3.2 | 2.5 | 0.6 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 2.5 | – | – | – | 7" Tape & Reel | ||
| 885012109011 | SPEC | 8 files | WCAP-CSGP MLCCs 16 V(DC) | 47 µF | ±20% | 16 | 1210 | -55 °C up to +85 °C | 10 | 0.002 GΩ | X5R Class II | 3.2 | 2.5 | 0.75 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 2.5 | – | – | – | 7" Tape & Reel | ||
 | 860040775006 | SPEC | 7 files | WCAP-ATUL Aluminum Electrolytic Capacitors | 100 µF | ±20% | 63 | – | – | 9 | – | – | 12.5 | – | – | – | – | – | – | – | – | – | 7000 | -40 °C up to +105 °C | 640 | 63 | 5 | 10 | – | – | – | – | – | – | Ammopack | ||
| 860040575007 | SPEC | 7 files | WCAP-ATUL Aluminum Electrolytic Capacitors | 220 µF | ±20% | 35 | – | – | 12 | – | – | 12.5 | – | – | – | – | – | – | – | – | – | 7000 | -40 °C up to +105 °C | 1060 | 77 | 5 | 10 | – | – | – | – | – | – | Ammopack | ||
 | 744325550 | SPEC | 8 files | WE-HCI SMT Flat Wire High Current Inductor | – | – | – | 1050 | -40 °C up to +150 °C | – | – | – | 10.5 | 10.2 | – | 5.5 | 12 | 4.5 | 12 | 10.3 | 30 | Superflux | – | -40 °C up to +150 °C | – | – | – | – | 2 | – | 4.7 | – | – | – | – | ||
 | 61300311121 | SPEC | – | 6 files | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | -40 °C up to +105 °C | – | 1000 MΩ | – | 7.62 | – | – | – | – | – | – | – | – | – | – | – | – | – | 2.54 | – | 3 | Single | – | Pin Header | Straight | 3 | Bag |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 885012206077 | SPEC | |
| 885012206059 | SPEC | |
| 885012206071 | SPEC | |
| 885012206095 | SPEC | |
| 885012209048 | SPEC | |
| 885012109011 | SPEC | |
| 860040775006 | SPEC | |
| 860040575007 | SPEC | |
| 744325550 | SPEC | |
| 61300311121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | Pitch (mm) | Ø D (mm) | Pins | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
|---|