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171031801 Datasheet(PDF) 1 Page - Wurth Elektronik GmbH & Co. KG, Germany. |
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171031801 Datasheet(HTML) 1 Page - Wurth Elektronik GmbH & Co. KG, Germany. |
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1 / 49 page  WPMDL1301801 / 171031801 MagI3C Power Module VDRM – Variable Step Down Regulator Module we-online.com Würth Elektronik eiSos GmbH & Co. KG –Datasheet 1.0 © February 2018 1/49 4V – 18V / 3A / 0.8V – 17V Output DESCRIPTION The VDRM series of the MagI³C Power Module family provides a fully integrated DC-DC power supply including the buck switching regulator, inductor, input and output capacitors in a package, allowing a minimum external components count solution, quick time to market and ease of use. The 171031801 family offers high efficiency and delivers up to 3A of output current. It operates from 4V input voltage up to 18V. It is designed for fast transient response. It is available in an innovative industrial high power density LGA-16EP (9 x 9 x 3mm) package that enhances thermal performance. The VDRM regulators have an integrated protection circuit that guards against thermal overstress and electrical damage by using thermal shut-down, overcurrent, short-circuit, and undervoltage protection. TYPICAL APPLICATIONS Point-of-Load DC-DC applications from 5V, 9V and 12V industrial rails Industrial, test & measurement, medical applications System power supplies DSPs, FPGAs, MCUs and MPUs supply I/O interface power supply TYPICAL CIRCUIT DIAGRAM FEATURES Peak efficiency up to 95% Current capability: 3A Input voltage range: 4V to 18V Output voltage range: 0.8V to 17V Reference accuracy: ±1.5% No minimum load required Integrated input and output capacitors Integrated shielded inductor Exposed pads for best-in-class thermal performance Low output voltage ripple (< 20mVpp) Fixed switching frequency: 850kHz Peak Current Mode control Internal soft-start Synchronous operation Automatic power saving operation at light load Undervoltage lockout protection (UVLO) Thermal shutdown Short circuit protection Cycle-by-cycle current limit Operating ambient temperature up to 85°C RoHS and REACh compliant Operating junction temp. range: -40 to 125°C Mold compound UL 94 Class V0 (flammability testing) certified Complies with EN55022 class B radiated emissions standard NO NEED FOR COUT NO NEED FOR CIN VIN EN GND FB VOUT Module RFBT RFBB 1,2,3,4 16 17 13 9,10,11,12 VIN GND GND VOUT |
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