Page 18

ADVANCED COMMUNICATIONS & SENSING

DATASHEET

SX8124

24 hours timer synchronized on 50/60Hz mains

ACS - Revision 2.4

October 2010

© Semtech Corp.

11.1

LED boosters

The chip sends bursts to trigger the LED. If the LED is supplied by the regulated voltage VDD it is expected to

be connected to a transistor and in parallel with a coil to get enough voltage to light.

Figure 19. Booster for red LED

Figure 20. Booster for white/blue LED

SX8124

0.9 – 2.0 V

LED

VSS

VDD

LED

Coil

SX8124

0.9 – 2.0 V

LED

VSS

VDD

LED

Coil