PT5622
Three-level (On/Off) Ballast Controller
DESCRIPTION
The PT5622 is an electronic ballast controller IC
intended for dimming product with ordinary switch. The
features of the controller IC include negative-feedback
closed-loop control of the lamp current, programmable
preheat time and preheat frequency, low start-up
current, precise oscillating frequency and easy
applications. PT5622 is available in both DIP16/SOP16
packages.
FEATURES
•
Electronic ballast IC with dimming function using
ordinary switches
•
Integrated MCU
•
Negative-feedback control of the lamp current,
supporting low luminance ignition
•
2/3-level selection available for low to high or high
to low luminance dimming mode
•
Programmable preheat time
•
Programmable preheat frequency, sweeping
frequency ignition
•
Programmable delay time from switch-off to reset
state
•
Programmable delay time from switch-on to
preheat mode
•
Fixed dead time
•
Supporting DIP16/SOP16 packages
APPLICATION
•
Adjustable to various types of fluorescent
lamps/CFLs
BLOCK DIAGRAM
Tel: 886-66296288
‧
Fax: 886-29174598
‧
http://www.princeton.com.tw
‧
2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan
PTC [ PRINCETON TECHNOLOGY CORP ]
