Description
UCC28060 UCC28060 www.ti.com SLUS767E * MAY 2007 * REVISED NOVEMBER 2008 Natural Interleaving™ DUAL-PHASE TRANSITION-MODE PFC CONTRO.
Optimized for high-volume consumer applications, this solution extends the advantages of transition mode.
high efficiency with low-cost compone.
Features
* 1
* 234 Easy Phase Management Facilitates Compliance to Light-Load Efficient Standards
* FailSafe OVP with Dual Paths Prevents Output Over-voltage Conditions Caused by Voltage-Sensing Failures
* Sensorless Current Shaping Simplifies Board Layout and Improves Efficiency
Applications
* 100-W to 800-W Power Supplies
* LCD, Plasma, and DLP® TVs
* Computer Power Supplies
* Entry Level Servers
* Electronic Lighting Ballasts
5 POUT = 600 W VOUT = 400 V
4 1-Phase TM
3
1-Phase CCM
2
Capacitor Ripple Current (A)
2-Phase TM Interleave 1
70 120 17