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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-18 V |
| Output 1 | 1 V / 8 A |
| IC revision | 1.0 |
Description
The SCT2280 is a high efficiency synchronous stepdown DC-DC converter with 4.5V-18V input voltage range and adjustable output voltage down to 0.6V. It offers a small saving 2mmx3mm QFN package that supplies continuous 8A output current. The device fully integrates high-side and low-side power MOSFETs with 25mΩ/12mΩ on-resistance to minimize the conduction loss.The SCT2280 adopts a Constant On-Time (COT) control to provide fast transient response and easy loop stabilization. The switching clock frequency can be selected from 400KHz, 800KHz and 1.2MHz for optimization of the filter size and output voltage ripple.The SCT2280 has the MODE pin to select Pulse Frequency Modulation (PFM) operation mode to achieve the light load power save, or Ultrasonic Mode (USM) to keep the switching frequency above audible frequency areas during light-load or no-load conditions.The converter requires a minimum number of external components and is available in a QFN- 12 (2mmx3mm) package.
Features
- Wide 4.5V-18V Input Voltage Range
- 0.6V-7V Output Voltage Range
- 8A Continuous Output Current
- Integrated 25mΩ/12mΩ Rdson of HS/LS Power MOSFETs
- Fixed 1ms Soft-start Time
- Selectable 400KHz, 800KHz and 1.2MHzSwitching Frequencies
- Selectable PWM, PFM and USM OperationModes
- Cycle-by-Cycle Current Limiting
- Output Over-Voltage Protection
- Over-Temperature Protection
- Available in a QFN 12-leads 2mmx3mm Package
Typical applications
- IPCs, Factory Automation, PLC, Test
- High End DTV, Set-top Box, XDSL Modem, Personal Video Recorders
- Server, Cloud-Computing, Storage, Telecom & Networking, Small-cell Base Stations
More information
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)) | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SPECWCAP-CSGP MLCCs 10 V(DC), 100 nF, ±10% | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 10 V(DC) | Capacitance100 nF | Capacitance±10% | Rated Voltage10 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor5 % | Insulation Resistance5 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 25 V(DC), 100 nF, ±10% | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance100 nF | Capacitance±10% | Rated Voltage25 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Insulation Resistance5 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 25 V(DC), 1 µF, ±20% | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance1 µF | Capacitance±20% | Rated Voltage25 V (DC) | Size0603 | Operating Temperature -55 °C up to +85 °C | Dissipation Factor10 % | Insulation Resistance0.5 GΩ | Ceramic TypeX5R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 16 V(DC), 22 µF, ±20% | Availability – | 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 | – | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 25 V(DC), 22 µF, ±20% | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance22 µF | Capacitance±20% | Rated Voltage25 V (DC) | Size1210 | Operating Temperature -55 °C up to +85 °C | Dissipation Factor10 % | Insulation Resistance0.005 GΩ | Ceramic TypeX5R Class II | Length3.2 mm | Width2.5 mm | Height2.5 mm | Pad Dimension0.6 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
 | SPECWR-PHD Pin Header - Single, –, – | Simulation– | Availability – | 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 | – | – | – | – | – | – | MountTHT | Pins3 | TypeStraight | Rated Current3 A | Working Voltage250 V (AC) | –Check availability | ||
 | SPECWE-XHMI SMT Power Inductor, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | – | – | – | Size6030 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length6.65 mm | Width6.45 mm | Height3 mm | – | – | Inductance0.56 µH | Performance Rated Current22.75 A | Saturation Current @ 30%30.8 A | DC Resistance2.9 mΩ | DC Resistance3.19 mΩ | Self Resonant Frequency77 MHz | MountSMT | Pins2 | – | Rated Current16 A | – | –Check availability |
Availability Forecast
WE item number Packaging unitsLead time
––– weeks
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |
There is no forecast for this quantity request.
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