Datasheet

Data Sheet
©2014
Würth Elektronik eiSos GmbH & Co. KG - REV 0.1
PRELIMINARY
2/ 21
172946001
MagI³C Power Module Product Family
LDHM - LED Step Down High Current Module
E PACKAGE MARKING
02P
1 2 3 4 5 6 7
XYTTESDD
WE201
LED+ LED+
DIM
GND
VREF
IADJ
LED-
Exposed Pad (EP)
on the back side,
Connect to GND
Top View TO263-7EP
F PIN DESCRIPTION
PIN #
PIN
SYMBOL
PIN DESCRIPTION
1
LED+
Input power supply and anode connection of the LED string
2
LED+
Input power supply and anode connection of the LED string
3
DIM
Dimming control signal and open enable signal to control the brightness of the LED string
4
GND
Reference ground of the device connect to the EP externally
5
VREF
Internal voltage reference output
6
IADJ
LED current adjustment
7
LED-
Current return pin of the LED string, connect to the cathode of the LED string
EP
EP
Exposed Pad. Used for heat dissipation. Must be electrically connected to pin 4 GND
G ORDERING INFORMATION
ORDER CODE
PART DESCRIPTION
PACKAGE
PACKING UNIT
172946001
WLMDU9456001JT
TO263-7EP
Tape and Reel with 250 Units
H SALES INFORMATION
SALES CONTACTS
Würth Elektronik eiSos GmbH & Co. KG
EMC & Inductive Solutions
Max-Eyth-Str. 1
74638 Waldenburg
Germany
Tel. [phone] - 0
www.we-online.com
[e-mail]
First row: Logo & Date code
Second row: Product type