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173010378 Datasheet(PDF) 1 Page - Wurth Elektronik GmbH & Co. KG, Germany. |
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173010378 Datasheet(HTML) 1 Page - Wurth Elektronik GmbH & Co. KG, Germany. |
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1 / 12 page  WPMDL110xxx1S / 17301xx78 MagI 3C Power Module FDSM – Fixed Step Down Regulator Module We-online.com Würth Elektronik eiSos GmbH & Co. KG – Data Sheet Rev. 1.0 © November 2015 1/12 7 - 28V / 1A / 3.3 or 5V Output DESCRIPTION The FDSM series of the MagI 3C Power Module family is a fixed output voltage, fully integrated dc/dc power supply. The module integrates the switching power stage, control circuitry, inductor and capacitors all in one package. The module requires no external components for operation reducing design effort and complexity to a minimum. The FDSM ensures fast time to market and low development costs. It is pin compatible with the common 78xx linear regulator series. The high efficiency reduces the power dissipation and in many cases a heatsink and assembly parts are unnecessary. 12V to 3.3V conversion achieves up to 87% efficiency. 12V to 5V conversion achieves up to 91% efficiency. The standard THT package allows for easy assembly. TYPICAL APPLICATIONS • Point-of-Load from 18V, 15V, 12V, 9V rail • Replacement for linear regulators • Interface and microcontroller supply • General purpose FEATURES • Peak efficiency up to 93% • Current capability up to 1A • Input voltage range: 7 to 28V • Output voltage: 3.3 or 5V • Continuous output power: 3.3 or 5W • Integrated capacitors and inductor • Low output voltage ripple: typ.15mV (3.3V) and 25mV (5Vout) at 1A load • Output voltage accuracy: 3.5% typ. • Fixed 300 kHz switching frequency • Current mode control • Pulse skipping for high efficiency at light loads • Internal soft-start • Thermal shutdown • Short circuit protection • Cycle by cycle current limit • Output over-voltage protection • -40°C to 85°C ambient operating temperature range • RoHS & REACH compliant • UL94V-0 package material • EN55022 Class B compliant TYPICAL CIRCUIT DIAGRAM |
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