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Torex XC9276
Ultra-Low Quiescent Current, Synchronous Step-Down PFM DC/DC Converter with Output voltage selectable function
Overview
| Topology | Buck Converter |
| Input voltage | 1.8-6 V |
| Output 1 | 3.6 V / 0.15 A |
Description
The XC9276 Series is a 150mA step-down synchronous rectification DC/DC converter which has an output voltage switchover function with an ultra-low power consumption circuit and a PFM control. The efficiency performance at a light load current is dramatically improved by implementing ultra-low power consumption circuits which has 200nA consumption current, and PFM control method. Additionally two-preset output voltage switchover function is available with using VSET pin. This function can select an appropriate output voltage based on the MCU behavior mode and contribute a power consumption reduction for a total system. Due to these functions, XC9276 series are suitable for equipment which needs a high efficiency performance at a light load current, and a long-time battery life. XC9276 series are compatible to 2.2uH inductor therefore it can reduce an output ripple voltage which is a negative side of PFM control method, and a PCB board area size..
Features
- Input Voltage Range:1.8V ~ 6.0V
- Output Voltage Setting:0.5V ~ 1.9V (0.05V increments)2.0V ~ 3.6V (0.1V increments)
- Output Voltage Accuracy ±20mV (VOUT(T)≦1.0V) ±2.0% (VOUT(T)＞1.0V)
- Output Current:150mA
- Supply Current:200nA @ VOUT(T)=1.8V (TYP.)
- Control Method:PFM control
- Function:Output Voltage selectable functionCL Discharge (D Type)UVLO function
- Protection Functions:Short Protection
- Input / Output Capacitor:Ceramic Capacitor Compatible
- Operation Ambient Temperature : -40 ~ 85°C
- Package:WLP-6-03 (1.72 x 1.07x 0.33mm)SOT-26W (2.9 x 2.8 x 1.3mm)USP-8B06 (2.0 x 2.0 x 0.33mm)
- Environmentally Friendly EU RoHS compliant, Pb Free
Typical applications
- Energy Harvest devices
- Back-up power supply circuit
- Wearable Devices
- Smart meter, Low Power RF, Sensor Module, Smart card, Devices with 1 Lithium cell.
More information
Products
Order Code | Datasheet | Replacement Order Code | 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) | ISAT1(A) | ISAT2(A) | RDC typ.(mΩ) | VOP(V) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PMI Power Multilayer Inductor, 2.2 µH, – | – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PMI Power Multilayer Inductor | Inductance2.2 µH | – | – | DC Resistance250 mΩ | Self Resonant Frequency50 MHz | – | MountSMT | Rated Current700 mA | Rated Current 21000 mA | Saturation Current700 mA | DC Resistance200 mΩ | TypeLow RDC | Height1 mm | Width1.2 mm | – | – | – | – | – | ||||
| WE-PMI Power Multilayer Inductor, 2.2 µH, – | 74479887222A | Simulation– | Downloads– | Status PTNi| Production will be discontinued. Expected lifetime: <2 years. | Product seriesWE-PMI Power Multilayer Inductor | Inductance2.2 µH | – | – | DC Resistance106.25 mΩ | Self Resonant Frequency55 MHz | – | MountSMT | Rated Current1300 mA | Rated Current 21800 mA | Saturation Current700 mA | DC Resistance85 mΩ | TypeLow RDC | Height0.8 mm | Width2 mm | – | – | – | – | – | – | |
| WE-PMI Power Multilayer Inductor, 2.2 µH, – | 74479887222A | Simulation– | Downloads– | Status PTNi| Production will be discontinued. Expected lifetime: <2 years. | Product seriesWE-PMI Power Multilayer Inductor | Inductance2.2 µH | – | – | DC Resistance312.5 mΩ | Self Resonant Frequency50 MHz | – | MountSMT | Rated Current900 mA | Rated Current 21300 mA | Saturation Current1700 mA | DC Resistance250 mΩ | TypeHigh Saturation Current | Height1.2 mm | Width2 mm | – | – | – | – | – | – | |
 | WE-MAPI SMT Power Inductor, 2.2 µH, 1.5 A | – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Inductance2.2 µH | Saturation Current @ 10%1.5 A | Saturation Current @ 30%3.25 A | DC Resistance388 mΩ | Self Resonant Frequency70 MHz | Performance Rated Current1.25 A | MountSMT | – | – | Saturation Current2500 mA | – | – | Height1 mm | Width1.6 mm | Rated Current0 A | – | – | DC Resistance337 mΩ | Operating Voltage80 V | ||||
 | WE-MAPI SMT Power Inductor, 2.2 µH, 1.65 A | – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Inductance2.2 µH | Saturation Current @ 10%1.65 A | Saturation Current @ 30%3.3 A | DC Resistance270 mΩ | Self Resonant Frequency70 MHz | Performance Rated Current1.65 A | MountSMT | – | – | Saturation Current2500 mA | – | – | Height1 mm | Width1.6 mm | Rated Current1.1 A | – | – | DC Resistance225 mΩ | Operating Voltage80 V | ||||
 | WE-MAPI SMT Power Inductor, 2.2 µH, 1.4 A | – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Inductance2.2 µH | Saturation Current @ 10%1.4 A | Saturation Current @ 30%2.8 A | DC Resistance302 mΩ | Self Resonant Frequency60 MHz | Performance Rated Current1.65 A | MountSMT | – | – | Saturation Current2200 mA | – | – | Height0.8 mm | Width2 mm | Rated Current1.34 A | – | – | DC Resistance252 mΩ | Operating Voltage80 V | ||||
| WE-MAPI SMT Power Inductor, 2.2 µH, 2 A | – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Inductance2.2 µH | Saturation Current @ 10%2 A | Saturation Current @ 30%3.55 A | DC Resistance176 mΩ | Self Resonant Frequency60 MHz | Performance Rated Current2.2 A | MountSMT | – | – | Saturation Current2500 mA | – | – | Height1 mm | Width2 mm | Rated Current1.3 A | – | – | DC Resistance147 mΩ | Operating Voltage80 V | ||||
 | WE-MAIA SMT Power Inductor, 2.2 µH, 1.4 A | – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAIA SMT Power Inductor | Inductance2.2 µH | Saturation Current @ 10%1.4 A | Saturation Current @ 30%2.8 A | DC Resistance302 mΩ | Self Resonant Frequency60 MHz | Performance Rated Current1.65 A | MountSMT | – | – | – | – | – | Height0.8 mm | Width2 mm | – | – | – | DC Resistance252 mΩ | – | ||||
| WE-MAIA SMT Power Inductor, 2.2 µH, 2 A | – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAIA SMT Power Inductor | Inductance2.2 µH | Saturation Current @ 10%2 A | Saturation Current @ 30%3.55 A | DC Resistance176 mΩ | Self Resonant Frequency60 MHz | Performance Rated Current2.2 A | MountSMT | – | – | – | – | – | Height1 mm | Width2 mm | – | – | – | DC Resistance147 mΩ | – | ||||
 | WE-PMCI Power Molded Chip Inductor, 2.2 µH, 1.5 A | – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PMCI Power Molded Chip Inductor | Inductance2.2 µH | Saturation Current @ 10%1.5 A | Saturation Current @ 30%3.1 A | DC Resistance110 mΩ | Self Resonant Frequency40 MHz | Performance Rated Current2.6 A | MountSMT | Rated Current1100 mA | Rated Current 21500 mA | Saturation Current2500 mA | – | – | Height1 mm | Width2 mm | Rated Current3.15 A | Saturation Current 11.5 A | Saturation Current 23.1 A | DC Resistance95 mΩ | – | ||||
 | WE-PMCI Power Molded Chip Inductor, 2.2 µH, 1.4 A | – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PMCI Power Molded Chip Inductor | Inductance2.2 µH | Saturation Current @ 10%1.4 A | Saturation Current @ 30%3.25 A | DC Resistance89 mΩ | Self Resonant Frequency50 MHz | Performance Rated Current3 A | MountSMT | Rated Current1200 mA | Rated Current 21700 mA | Saturation Current2800 mA | – | – | Height1.2 mm | Width2 mm | Rated Current3 A | Saturation Current 11.4 A | Saturation Current 23.25 A | DC Resistance80 mΩ | – | ||||
 | WE-LQSH SMT High Saturation Power Inductor, 2.2 µH, – | – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LQSH SMT High Saturation Power Inductor | Inductance2.2 µH | – | – | DC Resistance170 mΩ | Self Resonant Frequency53 MHz | – | MountSMT | – | – | Saturation Current2150 mA | – | – | Height1 mm | Width1.6 mm | Rated Current1.25 A | – | – | DC Resistance142 mΩ | – |