BCR402WE6327 Infineon Technologies, BCR402WE6327 Datasheet - Page 6
![IC LED DRIVER LINEAR SOT-343](/photos/5/32/53227/448-sot-343_sml.jpg)
BCR402WE6327
Manufacturer Part Number
BCR402WE6327
Description
IC LED DRIVER LINEAR SOT-343
Manufacturer
Infineon Technologies
Type
Linear (Non-Switching)r
Datasheet
1.BCR_402W_H6327.pdf
(8 pages)
Specifications of BCR402WE6327
Mfg Application Notes
BCR400 Lighting App Note
Constant Current
Yes
Topology
Linear (LDO)
Number Of Outputs
1
Internal Driver
Yes
Type - Primary
General Purpose
Voltage - Supply
18V
Mounting Type
Surface Mount
Package / Case
SC-70-4, SC-82-4, SOT-323-4, SOT-343
Current - Output / Channel
60mA
Internal Switch(s)
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Frequency
-
Operating Temperature
-
Efficiency
-
Other names
BCR402WE6327INTR
BCR402WE6327XT
SP000274679
BCR402WE6327XT
SP000274679
Standard Application Circuit:
Application hints
BCR402W serves as an easy to use constant current source for LEDs. In stand alone
application an external resistor can be connected to adjust the current from 20 mA to 60 mA.
Rext can be determined by using the diagram 'Output current versus external resistor',
or by refering to diagram 'Output current versus reference voltage'. Look for your desired
output current on the y axis and read out the corresponding Vdrop. Calculate Rext:
Rext = Vdrop / (Iout -(Vdrop/Rint))
Please take into account that the resulting output currents will be slightly lower due to the
self heating of the component and the negative thermal coefficient.
Please visit our web site for application notes:
B C R 402W
constant current sources in 12 & 24V striplight applications
AN077 gives hints to thermal design
AN182 provides a guideline for replacing resistor biasing with BCR401W / BCR402W
1
2
3
4
+ V s
R ext
Vdrop
www.infineon.com/lowcostleddriver
6
Application Circuit:
supply voltages >18V
Vsupply
I
DRIVER
Vs
GND
BCR401W
BCR402W
I
OUT
Rext
Iout
+ I
DRIVER
I
OUT
BCR402W
LEDs
(optional)
Rsense
LEDs
2010-01-12