ST1937 converter equivalent, dc-dc step-up converter.
z Fast 1.2MHz Switching Frequency z High Efficiency up to 85% z Drives up to Four LEDs From 3.2V
Supply z Low Quiescent Current z Internal Over Temperature and Current
Li.
z Battery Powered Devices z Digital Camera z PDA z GPS z Hand Held Communication Equipment z MP3/4
PART MARKING ORDERIN.
ST1937 is a step-up DC/DC converter for white LED driver with constant current. The device can driver one to four LEDs in series from a single cell Lithium ion battery. Internal functions include current limiting; thermal shutdown and soft-start to p.
Image gallery
TAGS
Download (Size : 193.47KB)