The following content is an automatically extracted verbatim text
from the original manufacturer datasheet and is provided for reference purposes only.
View original datasheet text
Preliminary Datasheet
LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER
General Description
Features
AP1680
The AP1680 is a high performance AC/DC power sup- · Primary Side Control for Rectangular Constant
ply controller for LED drivers, battery charger and
Current and Constant Voltage Output
adapter applications. The device uses Pulse Frequency · Sub-microampere Start-up Current
Modulation (PFM) method to build discontinuous conduction mode (DCM) flyback power supplies.
· ·
30mW No-load Input Power Feasible Tight CC Regulation Performance
The AP1680 provides accurate constant voltage, constant current (CV/CC) regulation while removing the
·
Eliminates Opto-coupler and Secondary CV/CC Control Circuitry
opto-coupler and secondary control circuitry.