UCC2817-EP
UCC2818-EP
www.ti.com . SLUS716 – DECEMBER 2008 BiCMOS POWER-FACTOR PREREGULATOR
FEATURES 1 Controls Boost Preregulator to Near-Unity
Power Factor Limits Line Distortion World-Wide Line Operation Overvoltage Protection Accurate Power Limiting Average Current Mode Control Improved Noise Immunity Improved Feed-Forward Line Regulation Leading Edge Modulation 150-ВµA Typical Start-Up Current Low-Power BiCMOS Operation 12-V to 17-V Operation
2 SUPPORTS DEFENSE, AEROSPACE,
AND MEDICAL APPLICATIONS Controlled Baseline
One Assembly/Test Site
One Fabrication Site
Available in Military (–55°C/125°C)
Temperature Range (1)
Extended Product Life Cycle
Extended Product-Change Notification
Product Traceability D, DW, N, or PW PACKAGE
(TOP VIEW)
GND
PKLMT
CAOUT
CAI
MOUT
IAC
VAOUT
VFF …
