IR Introduces Industry's First 8-Pin High-Efficiency Resonant Half-Bridge Control IC

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International Rectifier ( IR ), the world's leading supplier of power semiconductors and management solutions, introduces the industry's first 8-pin high-efficiency resonant half-bridge control IC for LCD TVs and monitors, home theater systems, desktop computers, printers and games The machine's switching power supply (SMPS) achieves efficient energy savings.

The IR S2795 (1,2) S Resonant Half-Bridge Control IC is available in an 8-pin SO-8 package for high programmability and protection. Key features include 50% fixed duty cycle and programmable switching frequency up to 500kHz, programmable soft-start frequency and soft-start time, and programmable deadlock for optimized zero-voltage switching (ZVS) for all load conditions Zone time to achieve high efficiency and low switching noise.

Pan Dawei, vice president of sales for IR Asia Pacific, said: "As more and more designers try to use the resonant half-bridge topology to improve the overall efficiency of the system, the new IRS2795 xS 8-pin device used with the IR11682 SmartRectifier IC will bring designers Efficient power solutions simplify design and lower overall system cost."

The IRS2795 (1,2) S device provides overcurrent protection using the low-side MOSFET's on-resistance (RDS (on)), eliminating the need for an additional current sense resistor. Other key features include floating channel boot operation up to +600Vdc, micropower startup, ultra-low quiescent current, and user-initiated micropower "sleep mode".

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Shenzhen Jianjiantong Technology Co., Ltd. , https://www.mct-sz.com