FAN53526是Fairchild公司的一款同步降压调节器（集成式开关）产品，FAN53526是3.0 A、2.4 MHz、数字可编程 TinyBuck 调节器，本站介绍了FAN53526的封装应用图解、特点和优点、功能等，并给出了与FAN53526相关的Fairchild仙童半导体元器件型号供参考。
FAN53526 - 3.0 A、2.4 MHz、数字可编程 TinyBuck 调节器 - 同步降压调节器（集成式开关） - 非隔离 DC-DC - Fairchild（仙童半导体）
TheFAN53526isastep-downswitchingvoltageregulatorthatdeliversadigitallyprogrammableoutputfromaninputvoltagesupplyof2.5Vto5.5V.TheoutputvoltageisprogrammedthroughanI2Cinterfacecapableofoperatingupto3.4MHz.
Usingaproprietaryarchitecturewithsynchronousrectification,theFAN53526iscapableofdelivering3.0Acontinuousatover80%efficiency,maintainingthatefficiencyatloadcurrentsaslowas10mA.Theregulatoroperatesatanominalfixedfrequencyof2.4MHz,whichreducesthevalueoftheexternalcomponents.Additionaloutputcapacitancecanbeaddedtoimproveregulationduringloadtransientswithoutaffectingstability.
Atmoderateandlightloads,PulseFrequencyModulation(PFM)isusedtooperateinPower-SaveModewithatypicalquiescentcurrentof50μAatroomtemperature.Evenwithsuchalowquiescentcurrent,thepartexhibitsexcellenttransientresponseduringlargeloadswings.Athigherloads,thesystemautomaticallyswitchestofixed-frequencycontrol,operatingat2.4MHz.InShutdownMode,thesupplycurrentdropsbelow1μA,reducingpowerconsumption.PFMModecanbedisablediffixedfrequencyisdesired.TheFAN53526isavailableina15-bump,1.310mmx2.015mm,0.4mmballpitchWLCSP.
- Fixed-Frequency Operation: 2.4 MHz
- Best-in-Class Load Transient
- Continuous Output Current Capability: 3.0 A
- 2.5 V to 5.5 V Input Voltage Range
- Digitally Programmable Output Voltage:
- 0.600 V to 1.39375 V in 6.25 mV Steps
- Programmable Slew Rate for Voltage Transitions
- I2C-Compatible Interface Up to 3.4 Mbps
- PFM Mode for High Efficiency in Light Load
- Quiescent Current in PFM Mode: 50 μA (Typical)
- Input Under-Voltage Lockout (UVLO)
- Thermal Shutdown and Overload Protection
- 15-Bump Wafer-Level Chip Scale Package (WLCSP)
| 具体产品型号 | 生产状况及ROHS标准 | 仙童官网订购价格(美元) |
| FAN53526UC128X | 量产-ROHS：截至2015年6月 | $0.6624 |
| FAN53526UC106X | 量产-ROHS：截至2014年9月 | $0.6624 |
| FAN53526UC89X | 量产-ROHS：截至2014年9月 | $0.6624 |
