SX8124ISTRT SEMTECH [Semtech Corporation], SX8124ISTRT Datasheet - Page 19

• Manufacturer Part Number: SX8124ISTRT
• Description: 24 hours timer synchronized on 50/60Hz mains
• Manufacturer: SEMTECH [Semtech Corporation]

ACS - Revision 2.4
© Semtech Corp.
11.2
ADVANCED COMMUNICATIONS & SENSING
Low cost LED output
The schematic on
reduce the costs of the BOM. The Rlim, Rb resistors and the transistor hfe must be carefully choosed
according to the LED and mains voltage.
Mains
100V or 200V
Figure 21
October 2010
below shows a LED driving without the usage of a coil to drive the LED, and also
Rlim
LED
Figure 21. LED supplied by the mains
Page 19
Rb
24 hours timer synchronized on 50/60Hz mains
LED
SX8124
www.semtech.com/products/
VDD
VSS
0.9 – 2.0 V
SX8124
DATASHEET