Further strengthening its leadership position as a global supplier of power management circuits, ON Semiconductor introduced the NCP1203 and NCP1200A - two space-saving Pulse Width Modulator (PWM) current-mode controllers that enable power supply designers to meet standby power regulations such as Energy Star and Blue Angel with a low-cost optimized solution. "ON Semiconductor's NCP1200 product family sets the standard for standby power consumption over the universal input voltage range while maintaining high power conversion efficiency during normal operating mode," said Andy Williams, ON Semiconductor director of Power Conversion Products. "The series offers an easy upgrade for existing current-mode controller designs to reduce component count and significantly cut power consumption." The NCP1200 family provides the industry's most flexible way to mix -and match with external MOSFETs to serve product applications from 5 watts (W) to more than 100 W with the same basic power-supply design and footprint. The NCP1203 and the NCP1200A offer user-programmable peak current, output drive capability of 250 mA, as well as a "skip-cycle" mode for excellent efficiency at light loads. The NCP1200A is a second-generation version of the existing NCP1200 with improved FET drive capability, lower standby power consumption and ON Semiconductor's proprietary Dynamic Self-Supply circuitry. This circuitry allows power to be drawn directly from the high-voltage rail at start-up, eliminating the need for an auxiliary transformer winding. The NCP1203 is ideally suited for providing the lowest possible standby power consumption in numerous end-product designs. In independent tests, a 70 W switched mode power supply (SMPS) built with the NCP1203 consumed only 86 milliwatts (mW) of standby power at maximum line voltage (242 V) - the best performance in its class. Consumer electronics and computing peripherals are the intended applications for the NCP1203 and NCP1200A. These applications include DVD players, DVR recorders, set-top boxes, game consoles, PDA adapters, digital and video camera adapters and appliances with digital displays. Computing applications include printers, scanners, LCD monitors and laptop adapters. Both the NCP1203 and the NCP1200 are offered in a true surface mount SO-8 package as well as the traditional PDIP-8 package. "Our competitors offer only leadformed PDIP packaging that has inherent manufacturing reliability issues for the customer," Williams said. "ON Semiconductor's surface mount packaging improves reliability and uses less board space." In a SO-8 package, NCP1203 and NCP1200A are priced at $0.40 per unit in 10,000 unit quantities. Both devices are available in a PDIP-8 package and are priced at $0.45 per unit in 10,000 unit quantities. For additional technical information, please contact ON Semiconductor technical services at http://www.onsemi.com/tech.

Press Release