Product category: Power Supply ICs and Controllers
News Release from: Texas Instruments (April 2001-March 2006) | Subject: UCC28600
Edited by the Electronicstalk Editorial Team on 21 March 2006
Quasiresonant controller has green credentials
An innovative green-mode power management circuit is claimed to significantly improve energy efficiency in consumer electronic systems and AC power adapters
Texas Instruments has developed an innovative, green-mode power management circuit that significantly improves energy efficiency in consumer electronic systems and AC power adapters. TI's 8-pin quasiresonant UCC28600 green-mode controller provides high power efficiency in full and light-load operating conditions and decreases power consumption in no-load standby mode.
This article was originally published on Electronicstalk on 21 March 2006 at 8.00am (UK)
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For example, the device enables standby power supplies in DLP HDTVs, LCD and plasma digital TVs to achieve active-power mode efficiencies in excess of 88% and no-load power consumption levels below 300mW.
In addition, the UCC28600 improves power efficiency in notebook PC and gaming system AC adapters that support 40 to 200W.
The UCC28600 is a flyback, pulsewidth modulation (PWM) device that efficiently meets the US Environmental Protection Agency's Energy Star power requirements for consumer electronic systems.
The controller implements quasi-resonant control techniques, frequency fold-back operation in light load conditions and features a dedicated pin to disable the power factor correction (PFC) stage in standby operation.
The UCC28600 also integrates high-level protection features for energy-efficient power supplies up to 200W, including cycle-by-cycle power limit and overcurrent hiccup restart mode.
The UCC28600 comes in a simple-to-design, 8-pin SOIC package.
It is sampling today from TI and its authorised distributors with volume production expected in the second quarter.
Suggested resale pricing in quantities of 1000 is $0.49.
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