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178012402 데이터시트(PDF) 2 Page - Wurth Elektronik GmbH & Co. KG, Germany.

부품명 178012402
상세설명  MagI쨀C Power Module VDRM - Variable Step Down Regulator Module
PDF  31 Pages
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제조업체  WURTH [Wurth Elektronik GmbH & Co. KG, Germany.]
홈페이지  http://www.we-online.com
Logo WURTH - Wurth Elektronik GmbH & Co. KG, Germany.

178012402 데이터시트(HTML) 2 Page - Wurth Elektronik GmbH & Co. KG, Germany.

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Würth Elektronik eiSos GmbH & Co. KG - Data Sheet - REV 1.0
2/31
WPMDH1152401 / 171012402
MagI³C Power Module
VDRM - Variable Step Down Regulator Module
PACKAGE
Top View TO263-7EP
PIN DESCRIPTION
PIN #
SYMBOL
TYPE
PIN DESCRIPTION
1
VIN
Power
The supply input pin is a terminal for an unregulated input voltage source. It is
required to place the input capacitor nearby the VIN pin and PGND.
2
RON
Input
An external resistor from RON to VIN pin sets the on-time and frequency of the
application. The value r
ange of the resistor is from 25kΩ to 124kΩ.
3
EN
Input
The enable input pin is internally connected to the precision enable comparator
and the rising threshold is at 1.18V. Maximum recommended input level is 6.5V.
4
AGND
Supply
The analog ground pin is the reference point for all stated voltages and must be
connected to PGND.
5
SS
Input
For the soft-start function there is an internal 8
μA current source which charges
an external capacitor to generate the soft-start.
6
FB
Input
The feedback pin is internally connected to the regulation circuitry, the over-
voltage and short-circuit comparators. The regulation reference point is 0.8V at
this input pin. Connect the feedback resistor divider between the output and
AGND to set the output voltage.
7
VOUT
Power
The output voltage pin is connected to the internal inductor. For the best stability
and operation connect the output capacitor between this pin and PGND.
EP
PGND
Power
Exposed Pad
– Main node for switch current of internal LS-MOSFET. Used as
heat sink for power dissipation during operation. Must be electrically connected
to pin 4.
ORDERING INFORMATION
ORDER CODE
PART DESCRIPTION
PACKAGE
PACKING UNIT
171012402
WPMDH1152401JT
TO263-7EP
Tape and Reel with 250 Units
178012402
WPMDH1152401JEV
Eval Board
evaluation board 1 Unit
SALES INFORMATION
SALES CONTACTS
Würth Elektronik eiSos GmbH & Co. KG
EMC & Inductive Solutions
Max-Eyth-Str. 1
74638 Waldenburg
Germany
Tel. +49 (0) 79 42 945 - 0
www.we-online.com
powermodules@we-online.com
RON
VIN
EN
AGND
SS
FB
VOUT
1
2
3
4
5
6
7
Exposed Pad = PGND
Connect to AGND
EP



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