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Silicontent Technology SCT2451 | Demoboard EV2450-B-03A_rev1.1
3.8V-36V Vin, 5A High Efficiency Synchronous Step-down DCDC Converter Evaluation Board
Overview
| Topology | Buck Converter |
| Input voltage | 3.8-36 V |
| Switching frequency | 100-1100 kHz |
| Output 1 | 3.3 V / 5 A |
| IC revision | 1.1 |
Description
The EV2450-B-03A Evaluation Board is designed to demonstrate the capabilities of SCT2450 and SCT2451, high efficiency fully integrated synchronous step-down DCDC converter supporting up to 5A continuous output current from an input source from 3.8V to 36V. The SCT2450 offers adjustable switching frequency ranging from 100kHz to 1.1MHz with internal 4ms soft-start, which provides flexibility to optimize either efficiency or external component size. The SCT2451 features adjustable soft-start with fixed 570KHz switching frequency. Both devices are available in an easy-soldering 8-pin ESOP package. This user's guide describes the characteristics, operation and the use of the EV2450-B-03A Evaluation Module including EVM specifications, recommended test setup, test result, schematic diagram, bill of materials, and the board layout.
Features
- 0.8V ±1%Feedback Reference Voltage
- Integrated 45mΩ High-Side Rdson and 20mΩ Low-Side Rdson Power MOSFETs
- 25uA Low Quiescent Current with Pulse Skipping Mode PSM at Light Load
- 100KHz to 1.1MHz Adjustable Frequency and External Clock Synchronization (SCT2450)
- Adjustable Soft-start (SCT2451)
- 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/ Battery Pack Powered System - Cordless Power Tools, Cordless Home Appliance, Drone etc./ Cigarette Lighter Adapters, USB Chargers/ USB Type-C Power Delivery
- Optical Communication and Networking System
- Automotive System
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | PCB/Cable/Panel | Modularity | Wire Section | 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 (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 691214110002S | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-TBL Series 2141S - 3.50 mm Horizontal Entry Modular w. Rising Cage Clamp | Rising Cage Clamp | PCB | Yes | 30 to 16 (AWG) 0.05 to 1.31 (mm²) | – | – | – | – | -30 °C up to +120 °C | – | – | – | 7 | – | – | – | – | – | – | – | – | – | – | -30 °C up to +120 °C | – | – | 3.5 | – | 2 | – | – | – | Horizontal | 10 | Box | |
 | 744325550 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | 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 | – | – | – | – | ||
 | 860040575007 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-ATUL Aluminum Electrolytic Capacitors | – | – | – | – | 220 µF | ±20% | 35 | – | – | 12 | – | – | 12.5 | – | – | – | – | – | – | – | – | – | 7000 | -40 °C up to +105 °C | 1060 | 77 | 5 | 10 | – | – | – | – | – | – | Ammopack | ||
| 860040775006 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-ATUL Aluminum Electrolytic Capacitors | – | – | – | – | 100 µF | ±20% | 63 | – | – | 9 | – | – | 12.5 | – | – | – | – | – | – | – | – | – | 7000 | -40 °C up to +105 °C | 640 | 63 | 5 | 10 | – | – | – | – | – | – | Ammopack | ||
 | 885012206055 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | 220 pF | ±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 | ||
| 885012206059 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | 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 | ||
| 885012206067 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | 22 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 | ||
| 885012206069 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | 47 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 | Active i| Production is active. Expected lifetime: >10 years. | 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 | ||
| 885012206077 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | 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 | ||
| 885012206095 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | 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 | Active i| Production is active. Expected lifetime: >10 years. | 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 | Active i| Production is active. Expected lifetime: >10 years. | 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 | ||
 | 61300211121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | 1000 MΩ | – | 5.08 | – | – | – | – | – | – | – | – | – | – | – | – | – | 2.54 | – | 2 | Single | – | Pin Header | Straight | 3 | Bag |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 691214110002S | SPEC | – |
| 744325550 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | |
| 860040575007 | SPEC | |
| 860040775006 | SPEC | |
| 885012206055 | SPEC | |
| 885012206059 | SPEC | |
| 885012206067 | SPEC | |
| 885012206069 | SPEC | |
| 885012206071 | SPEC | |
| 885012206077 | SPEC | |
| 885012206095 | SPEC | |
| 885012209048 | SPEC | |
| 885012109011 | SPEC | |
| 61300211121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | PCB/Cable/Panel | Modularity | Wire Section | 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 (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
|---|