XRP7613IDBTR-F Datasheet, PDF (4/14 Pages) Exar Corporation – 1.2A 36V Step Down High Brightness LED Driver

XRP7613
1.2A 36V Step Down High Brightness LED Driver
PIN DESCRIPTION
Name
PGND
VIN
ISEN
EN/DIM
TH
VREF
GND
LX
GND
Pin
1
2
3
4
5
6
7
8
Exposed
Pad
Description
Power ground pin.
Power supply input pin.
Place an input decoupling capacitor as close as possible to this pin.
LED current setting pin.
Connect resistor RSET from this pin to VIN (pin 2) to define nominal average LED current.
Dimming and Enable pin.
For automatic startup, leave pin floating.
LED temperature protection sense input.
Connect temperature thermal sense resistors to turn off output current above a preset
temperature threshold.
Reference Voltage for thermal protection.
Ground pin.
Connect to the output inductor.
Power ground pin.
ORDERING INFORMATION
Part Number
XRP7613IDBTR-F
XRP7613EVB
Ambient
Temperature
Range
Marking
XRP7613I
-40°C≤TA≤+125°C
YYWWF
X
XRP7613 Evaluation Board
Package
Packing
Quantity
Note 1
HSOICN-8
Exp. Pad
2.5K/Tape & Reel Halogen Free
“YY” = Year – “WW” = Work Week – “X” = Lot Number when applicable.
Note 2
© 2012 Exar Corporation
4/13
Rev. 1.2.0