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Overview
| Topology | Buck Converter |
| Input voltage | 2-6 V |
| Output 1 | 4 V |
Description
XC9265 series are Ultra Low Power synchronous-rectification type PFM step down DC/DC converters with a built-in 0.4Ω (TYP.) Pch driver and 0.4Ω (TYP.) Nch synchronous switching transistor, designed to allow the use of ceramic capacitor. PFM control enables a low quiescent current, making these products ideal for battery operated devices that require high efficiency and long battery life. Only inductor, CIN and CL capacitors are needed as external parts to make a step down DC/DC circuit. Operation voltage range is from 2.0V to 6.0V. This product has fixed output voltage from 1.0V to 4.0V(accuracy: ±2.0%) in increments of 0.05V. During stand-by, all circuits are shutdown to reduce consumption to as low as 0.1μA(TYP.) or less. With the built-in UVLO (Under Voltage Lock Out) function, the internal P-channel MOS driver transistor is forced OFF when input voltage gets lower than UVLO detection voltage. Besides, XC9265 series has UVLO release voltage of 1.8V (Typ.). The product with CL discharge function can discharge CL capacitor during stand-by mode due to the internal resistance by turning on the internal switch between VOUT -GND. This enables output voltage restored to GND level fast.
Features
- Input Voltage Range: 2.0V~6.0V
- Output Voltage Setting: 1.0V~4.0V (±2.0%, 0.05V increments)
- Output Current: 200mA (XC9265A/C)50mA (XC9265B/D)
- Driver Transistor: 0.4Ω (Pch Driver Tr)0.4Ω (Nch Synchronous rectifier Switch Tr)
- Supply Current: 0.50μA @ VOUT(T)=1.8V (TYP.)
- Control Method: PFM control
- High Speed Transient: 50mV (VIN=3.6V, VOUT=1.8V, IOUT=10μA→50mA)
- PFM Switching Current: 330mA (XC9265A/C), 180mA (XC9265B/D)
- Function: Short ProtectionCL Discharge (XC9265C/ D)UVLOCeramic Capacitor Compatible
- Operation Ambient Temperature: -40 ~ 85°C
- Package: SOT-25, USP-6EL
- Environmentally Friendly: EU RoHS compliant, Pb Free
Typical applications
- Bluetooth units
- Wearable Devices, Smart meters, Portable game consoles, Devices with 1 Lithium cell
- Backup power supply circuits
- Energy Harvest devices
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | IRP,40K(A) | Mount | IR(mA) | IR 2(mA) | ISAT(mA) | RDC(mΩ) | Type | H(mm) | W(mm) | IR(A) | RDC typ.(mΩ) | VOP(V) | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-PMI Power Multilayer Inductor, 10 µH, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PMI Power Multilayer Inductor | Inductance10 µH | – | – | DC Resistance625 mΩ | Self Resonant Frequency20 MHz | – | MountSMT | Rated Current600 mA | Rated Current 2800 mA | Saturation Current500 mA | DC Resistance500 mΩ | TypeHigh Saturation Current | Height1.2 mm | Width2 mm | – | – | – | –Check availability | |||
 | SPECWE-LQS SMT Power Inductor, 10 µH, – PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LQS SMT Power Inductor | Inductance10 µH | – | – | – | Self Resonant Frequency30 MHz | – | MountSMT | – | – | Saturation Current800 mA | DC Resistance430 mΩ | – | Height1.2 mm | Width2 mm | Rated Current0.65 A | – | Operating Voltage120 V | –Check availability | |||
 | SPECWE-MAPI SMT Power Inductor, 10 µH, 0.85 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Inductance10 µH | Saturation Current @ 10%0.85 A | Saturation Current @ 30%1.7 A | DC Resistance843 mΩ | Self Resonant Frequency25 MHz | Performance Rated Current0.9 A | MountSMT | – | – | Saturation Current1350 mA | – | – | Height1 mm | Width2 mm | Rated Current0.6 A | DC Resistance733 mΩ | Operating Voltage80 V | –Check availability | |||
| SPECWE-MAPI SMT Power Inductor, 10 µH, 0.95 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Inductance10 µH | Saturation Current @ 10%0.95 A | Saturation Current @ 30%1.75 A | DC Resistance780 mΩ | Self Resonant Frequency23 MHz | Performance Rated Current0.9 A | MountSMT | – | – | Saturation Current1400 mA | – | – | Height1.2 mm | Width2 mm | Rated Current0.7 A | DC Resistance680 mΩ | Operating Voltage80 V | –Check availability | |||
 | SPECWE-MAIA SMT Power Inductor, 10 µH, 0.85 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAIA SMT Power Inductor | Inductance10 µH | Saturation Current @ 10%0.85 A | Saturation Current @ 30%1.7 A | DC Resistance843 mΩ | Self Resonant Frequency25 MHz | Performance Rated Current0.9 A | MountSMT | – | – | – | – | – | Height1 mm | Width2 mm | – | DC Resistance733 mΩ | – | –Check availability | |||
| SPECWE-MAIA SMT Power Inductor, 10 µH, 0.95 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAIA SMT Power Inductor | Inductance10 µH | Saturation Current @ 10%0.95 A | Saturation Current @ 30%1.75 A | DC Resistance780 mΩ | Self Resonant Frequency23 MHz | Performance Rated Current0.9 A | MountSMT | – | – | – | – | – | Height1.2 mm | Width2 mm | – | DC Resistance680 mΩ | – | –Check availability | |||
 | SPECWE-LQSH SMT High Saturation Power Inductor, 10 µH, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LQSH SMT High Saturation Power Inductor | Inductance10 µH | – | – | DC Resistance522 mΩ | Self Resonant Frequency20 MHz | – | MountSMT | – | – | Saturation Current1200 mA | – | – | Height1.2 mm | Width2 mm | Rated Current0.8 A | DC Resistance435 mΩ | – | –Check availability | |||
| SPECWE-LQSH SMT High Saturation Power Inductor, 10 µH, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LQSH SMT High Saturation Power Inductor | Inductance10 µH | – | – | DC Resistance816 mΩ | Self Resonant Frequency22 MHz | – | MountSMT | – | – | Saturation Current950 mA | – | – | Height1 mm | Width1.6 mm | Rated Current0.58 A | DC Resistance680 mΩ | – | –Check availability | |||
| SPECWE-LQS SMT Power Inductor, 10 µH, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LQS SMT Power Inductor | Inductance10 µH | – | – | – | Self Resonant Frequency39 MHz | – | MountSMT | – | – | Saturation Current600 mA | DC Resistance860 mΩ | – | Height1 mm | Width1.6 mm | Rated Current0.5 A | – | Operating Voltage120 V | –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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