UCC28061DR集成电路（IC）的PFC（功率因数校正）规格书PDF中文资料

UCC28061DR属于集成电路（IC）的PFC（功率因数校正）。由德州仪器制造生产的UCC28061DRPFC（功率因数校正）功率因数校正 (PFC) 是用于调整交流电路中的电压和电流之间的相位角，使之趋近于零的半导体器件。不同模式包括平均电流、边界导通、连续导通、临界导通、电流控制式频率折返、不连续和不连续导通，开关频率从 6 kHz 至 1.7 MHz 可调。

1NATURAL INTERLEAVING FEATURES

23· Phase Management Capability

· FailSafe OVP with Dual Paths Prevents Output

Over-Voltage Conditions Caused by

Voltage-Sensing Failures

· Sensorless Current Shaping Simplifies Board

Layout and Improves Efficiency

· Inrush Safe Current Limiting:

– Prevents MOSFET conduction during

inrush

– Eliminates reverse recovery events in

output rectifiers

SYSTEM FEATURES

· Improved Audible Noise Performance

· Soft Start on Overvoltage

· Integrated Brownout

· Improved Efficiency and Design Flexibility

over Traditional, Single-Phase Continuous

Conduction Mode (CCM)

· Input Filter and Output Capacitor Current Cancellation:

– Reduced current ripple for higher system

reliability and smaller bulk capacitor

– Reduced EMI filter size

· Enables Use of Low-Cost Diodes without

Extensive Snubber Circuitry

· Improved Light-Load Efficiency

· Improved Transient Response

· Complete System-Level Protection

· 1-A Source/1.8-A Sink Gate Drivers

APPLICATIONS

· 100-W to 800-W Power Supplies

· Gaming

· D to A Set Top Boxes

· Adapters

· LCD, Plasma and DLP™ TVs

· Home Audio Systems