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APW7317
Active
High Efficiency 16V, 500kHz Synchronous Step-Down Converter
Features
- Output Under-Voltage Protection
- Over-Current Protection
- Input Over-Voltage Protection
- Over-Temperature Protection
General Description
APW7317 is a high efficiency synchronous buck converter with integrated 90m/56mΩ of upper/lower power MOSFET. The APW7317 design with a COT-mode control scheme, can convert wide input voltage of 4.5V to 16V to the output voltage adjustable from 0.8V to 5V to provide excellent output voltage regulation. The APW7317 is equipped with an automatic PFM/PWM mode operation. At light load, the IC operates in the PFM mode to reduce the switching losses. The APW7317 provides very high efficiency over light to heavy loads with loading-modulated switching frequencies. The APW7317 is also equipped with Power-on-reset, softstart, and whole protections (over-temperature, overvoltage, under-voltage, over-current and input overvoltage) into a single package. This device, available in FC-TSOT-23-6 package, provides a very compact system solution external components and PCB area.
Features
- Wide 4.5V to 16V Operating Input Range
- Low RDS(ON) Internal Power MOSFETs
- Low Quiescent Current
- Fast Load Transient Response
- Fixed 500kHz Switching Frequency
- Build-in soft start function
- Output Adjustable from 0.8V to 5V
- Protection
- Output Under-Voltage Protection
- Over-Current Protection
- Input Over-Voltage Protection
- Over-Temperature Protection
- Available in FC-TSOT-23-6 Package
- Lead Free and Green Devices Available (RoHS Compliant)
General Description
APW7317 is a high efficiency synchronous buck converter with integrated 90m/56mΩ of upper/lower power MOSFET. The APW7317 design with a COT-mode control scheme, can convert wide input voltage of 4.5V to 16V to the output voltage adjustable from 0.8V to 5V to provide excellent output voltage regulation. The APW7317 is equipped with an automatic PFM/PWM mode operation. At light load, the IC operates in the PFM mode to reduce the switching losses. The APW7317 provides very high efficiency over light to heavy loads with loading-modulated switching frequencies. The APW7317 is also equipped with Power-on-reset, softstart, and whole protections (over-temperature, overvoltage, under-voltage, over-current and input overvoltage) into a single package. This device, available in FC-TSOT-23-6 package, provides a very compact system solution external components and PCB area.
