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Silicontent Technology SCT2A27
5.5V-100V Vin, 4A Peak Current, Asynonous Stepdown DCDC Converter with a 200mA LDO Integrated
Overview
| Topology | Buck Converter |
| Input voltage | 5.5-100 V |
| Output 1 | 12 V / 2 A |
| IC revision | 1.0 |
Description
The EV2A27-B-02A Evaluation Board is designed to demonstrate the capabilities of SCT2A27, high efficiency non-synchronous step-down DCDC converter supporting up to 2A continuous output current from an input source from 5.5V to 100V. The SCT2A27 also integrate a 200mA LDO which can provide 5V or 3.3V power rail for the system.The SCT2A27 integrates an 500mΩ high side MOSFET and has 4A peak output current limit to support high peak current application in GPS tracker with 4G Module. The converter supports Pulse Frequency Modulation (PFM) mode at light load with typical 25uA Quiescent Current with VBIAS Connected to an auxiliary power supply higher than 6V. which enables the converter to achieve the high power efficiency during light-load or no-load conditions. The SCT2A27, adopting the constant-on time (COT) mode control with integrated loop compensation greatly simplifies the converter off-chip configuration.This user's guide describes the characteristics,operation and the use of the EV2A27-B-02A Evaluation Module including EVM specifications,recommended test setup, test result, schematic diagram, bill of materials, and the board layout.
Features
- Wide Input Range: 5.5V-100V
- Maximum Output Voltage: 30V
- 2A Continuous Output Current
- 4A Peak Current Limit
- Integrated 500mΩ High-Side Power MOSFETs
- A 200mA LDO Integrated, 5V or 3.3V able
- 25uA Quiescent Current with VBIAS Connected to an auxiliary power supply higher than 6V
- 1.2V ±2% Feedback Reference Voltage
- 4ms Internal Soft-start Time
- Fixed Switching Frequency at 300KHz
- COT Control Mode with Integrated Loop Compensation
- Precision Enable Threshold for Programmable Input Voltage Under-voltage Lock Out Protection(UVLO) Threshold Hysteresis
- Cycle-by-Cycle Current Limiting
- Over-Voltage Protection
- Over-Temperature Protection
- Available in an ESOP-8 Package
Typical applications
- 48V Industry Power Bus System
- Moto Drives, Drones
- E-bike, Scooter
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) | RDC max.(mΩ) | fres(MHz) | Version | Pins | Type | Mount | IR(A) | Working Voltage(V (AC)) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 25 V(DC), 150 pF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance150 pF | 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) | Size0805 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Insulation Resistance1 GΩ | Length2 mm | Width1.25 mm | Height1.25 mm | Pad Dimension0.5 mm | Ceramic TypeX7R Class II | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 16 V(DC), 2.2 µF, ±20% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 16 V(DC) | Capacitance2.2 µF | Capacitance±20% | Rated Voltage16 V (DC) | Size0603 | Operating Temperature -55 °C up to +85 °C | Dissipation Factor10 % | Insulation Resistance0.05 GΩ | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Ceramic TypeX5R 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 | – | – | – | – | – | – | – | – | – | – | ||||
 | WE-PD SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | – | – | – | Size1210 | Operating Temperature -40 °C up to +125 °C | – | – | Length12 mm | Width12 mm | Height10 mm | – | – | – | Inductance68 µH | Performance Rated Current3.9 A | DC Resistance89 mΩ | Self Resonant Frequency5.5 MHz | VersionStandard | Pins2 | – | MountSMT | Rated Current3.2 A | – | ||||
 | 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) |