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178021501 Datasheet(PDF) 2 Page - Wurth Elektronik GmbH & Co. KG, Germany. |
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178021501 Datasheet(HTML) 2 Page - Wurth Elektronik GmbH & Co. KG, Germany. |
2 / 32 page Data Sheet ©2014 Würth Elektronik eiSos GmbH & Co. KG - REV 0.1 PRELIMINARY 2/ 32 171021501/WPMDU1251501NT MagI³C Power Module Product Family VDRM - Variable Step Down Regulator Module E PACKAGE MARKING PGND 40 VOUT 39 PH 41 PH 38 AGND 37 18 PGND 17 PGND 16 PGND 15 VOUT 14 VOUT 13 VOUT 12 VOUT VADJ 36 PG 35 AGND 34 AGND 33 AGND 32 RT/CLK 31 AGND 30 12X DU125150 ABCD X1 02P Top View BQFN-41 F PIN DESCRIPTION PIN # PIN SYMBOL PIN DESCRIPTION 26 VIN 1I Input power supply 10, 11, 12, 13, 14, 15, 39 VOUT 2I Output power supply 1, 4, 5, 30, 32, 33, 34, 37 AGND 3I These pins are connected to the internal analog ground of the device. 16, 17, 18, 19, 20, 40 PGND 4I This is the return current path for the power stage of the device. 8, 9 GND_PT 5I Ground point. Connect AGND to PGND at these pins as shown in the Layout Considerations. 35 PG 6I Power Good flag pin. 36 VADJ 7I Sets the output voltage 31 RT/CLK 8I These pin set the internal frequency over a resistor and can also use to synchronize to an external clock. 27 DL/UVLO 9I Deadlock and UVLO adjust pin. 28 SS/TRK 10I Soft-start or tracking pin. 29 SSCHO 11I Soft-start and track feature select. 6, 7, 21, 22, 23, 24, 38, 41 PH 12I Phase switch node. 2, 3, 25 DNC Do Not Connect. First row: Product number Second row: Logo & Code Third row: Product code |
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