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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) | Fl (mm) | Ceramic Type | L (µH) | ISAT,10% (A) | ISAT,30% (A) | IR,40K (A) | IRP,40K (A) | RDC max. (mΩ) | fres (MHz) | Version | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012206054 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | 150 pF | ±10% | 25 | 0603 | -55 °C up to +125 °C | 3.5 | 10 GΩ | 1.6 | 0.8 | 0.4 | X7R Class II | – | – | – | – | – | – | – | – | – | – | 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 | 1.6 | 0.8 | 0.4 | X7R Class II | – | – | – | – | – | – | – | – | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
| 885012207128 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 100 V(DC) | 100 nF | ±10% | 100 | 0805 | -55 °C up to +125 °C | 2.5 | 1 GΩ | 2 | 1.25 | 0.5 | X7R Class II | – | – | – | – | – | – | – | – | – | – | 1.25 | – | – | – | 7" Tape & Reel | ||
| 885012106018 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 16 V(DC) | 2.2 µF | ±20% | 16 | 0603 | -55 °C up to +85 °C | 10 | 0.05 GΩ | 1.6 | 0.8 | 0.4 | X5R Class II | – | – | – | – | – | – | – | – | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
 | 885382209002 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSST Soft Termination | 2.2 µF | ±10% | 100 | 1210 | -55 °C up to +125 °C | 5 | 0.05 GΩ | 3.2 | 2.5 | 0.75 | X7R Class II | – | – | – | – | – | – | – | – | – | – | 2.5 | – | – | – | 7" Tape & Reel | ||
 | 7447709680 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | – | – | – | 1210 | -40 °C up to +125 °C | – | – | 12 | 12 | – | – | 68 | 3.6 | 4.4 | 3.2 | 3.9 | 89 | 5.5 | Standard | 2 | – | 10 | – | – | 3.2 | – | ||
 | 61300311121 | 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 | 7.62 | – | – | – | – | – | – | – | – | – | – | – | 3 | Single | – | Pin Header | Straight | 3 | Bag |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 885012206054 | SPEC | |
| 885012206095 | SPEC | |
| 885012207128 | SPEC | |
| 885012106018 | SPEC | |
| 885382209002 | SPEC | |
| 7447709680 | SPEC | |
| 61300311121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | L (mm) | W (mm) | Fl (mm) | Ceramic Type | L (µH) | ISAT,10% (A) | ISAT,30% (A) | IR,40K (A) | IRP,40K (A) | RDC max. (mΩ) | fres (MHz) | Version | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
|---|