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Overview
| Topology | Buck Converter |
| Input voltage | 2.5-5.5 V |
| Switching frequency | 4000-6000 kHz |
| Output 1 | 3.6 V / 0.6 A |
Description
The XC9281/XC9282 series are 600mA synchronous rectification DC/DC converters adopting HiSAT-COT (*) control. Due to increasing the oscillation frequency to high frequency, coil with a size of 1.0 x 0.5 mm can be used. A 0.6 x 0.3 mm ceramic capacitor can be used for the input capacitance (CIN) and the output capacitance (CL), realizing that the mounting area including peripheral components can be reduced to 3.52 mm2. Due to increasing the oscillation frequency to a high frequency, the mounting area is reduced. Additionally,an efficiency equal to or higher than that of conventional products can realize by improving on-resistance and current consumption. Because of these features, XC9281/XC9282 series are ideal for equipment requiring miniaturization and low profile mounting area,and battery-powered equipment such as mobile equipment. Moreover, the high-speed transient response technology of the HiSAT-COT control makes it possible to minimize the fluctuation of the output voltage for a load transient condition. This feature is optimal for applications requiring a fast response and output voltage stability for an instantaneous load fluctuation like FPGA.
Features
- Input Voltage Range : 2.5V ~ 5.5V
- Output Voltage Range : 0.7V ~ 1.15V (±2.0%)1.2V ~ 3.6V (±1.5%)
- Output Current : 600mA
- Quiescent Current : 11μA (XC9282 PWM/PFM Auto)
- Oscillation Frequency : 4MHz, 6MHz
- Efficiency (fOSC=4MHz) : 90.0% (VIN=3.7V,VOUT=1.8V,IOUT=200mA)
- Control Methods : HiSAT-COT ControlPWM Control (XC9281)PWM/PFM Auto (XC9282)
- Protection Functions : Current Limit
- Functions : Soft-Start, UVLOCL Discharge (Type B)
- Input / Output Capacitor : Ceramic Capacitor
- Operating Ambient Temperature : - 40°C ~ 105°C
- Package : LGA-6B01 (1.2 x 1.2 x 0.3mm)WLP-5-06 (0.88 x 0.96 x 0.33mm)
- Environmentally : EU RoHS Compliant, Pb Free
Typical applications
- Smart phones/mobile phones, Wireleess earphone/Headset, Wearable devices, DSC/Camcorder, Portable game consoles, Smartcard
- Power supply for module, Various small power sources
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | Q | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | L(µH) | IR(mA) | IR 2(mA) | ISAT(mA) | RDC(mΩ) | fres(MHz) | Type | IR(A) | ISAT1(A) | ISAT2(A) | RDC max.(mΩ) | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SPECWCAP-CSGP MLCCs 10 V(DC), 2.2 µF, ±20% | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 10 V(DC) | Capacitance2.2 µF | Capacitance±20% | Rated Voltage10 V (DC) | Size0402 | Operating Temperature -55 °C up to +85 °C | – | Dissipation Factor10 % | Insulation Resistance0.05 GΩ | Ceramic TypeX5R Class II | Length1 mm | Width0.5 mm | Height0.5 mm | Pad Dimension0.25 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 6.3 V(DC), 4.7 µF, ±20% | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 6.3 V(DC) | Capacitance4.7 µF | Capacitance±20% | Rated Voltage6.3 V (DC) | Size0402 | Operating Temperature -55 °C up to +85 °C | – | Dissipation Factor20 % | Insulation Resistance0.01 GΩ | Ceramic TypeX5R Class II | Length1 mm | Width0.5 mm | Height0.5 mm | Pad Dimension0.25 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
 | SPECWE-PMI Power Multilayer Inductor, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PMI Power Multilayer Inductor | – | – | – | Size0603 | Operating Temperature -40 °C up to +125 °C | Q-Factor10 | – | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.3 mm | – | Inductance0.47 µH | Rated Current1100 mA | Rated Current 21500 mA | Saturation Current1500 mA | DC Resistance90 mΩ | Self Resonant Frequency190 MHz | TypeLow RDC | – | – | – | DC Resistance112.5 mΩ | –Check availability | |||
 | SPECWE-PMCI Power Molded Chip Inductor, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PMCI Power Molded Chip Inductor | – | – | – | Size160808 | Operating Temperature -40 °C up to +125 °C | – | – | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.3 mm | – | Inductance0.47 µH | Rated Current1100 mA | Rated Current 21500 mA | – | – | Self Resonant Frequency120 MHz | – | Rated Current3.95 A | Saturation Current 11.5 A | Saturation Current 23.35 A | DC Resistance75 mΩ | –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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