Myron new technology dual output buck regulator

Myron new technology dual output buck regulator Micrel Inc., an industry leader in high-performance linear and power solutions, local area networks, and clock management and communications solutions, recently introduced two MIC23158/9, 3MHz dual-output 2A high-efficiency buck regulators. Thanks to Micrel’s patented HyperLight Load® technology, these ICs provide ultra-fast transient response for today’s most demanding applications, including set-top boxes, cores and I/O voltages for FPGAs, CPLDs, and ASICs. , GPS/navigation systems, PC cards, automotive instrumentation, and general point-of-load (POL) DC-DC conversion applications. The MIC23158/9 is currently in volume supply, with prices for thousands of quantities at $0.88 each and $0.91 each. Users can order samples online at Micrel’s official website http://?micrel.

The MIC23158/9 device can provide up to 93% peak efficiency in Pulse-Width Modulation (PWM) mode and ultra-fast response to sudden load changes. Micrel's patented architecture uses a small output capacitor, which produces an extremely low output ripple voltage in all PWM modes. This full-featured solution also includes a power-good (PG) signal to prevent the system from operating under improper voltage conditions. The device also features programmable soft-start features that limit inrush current at power-up. The entire solution only takes up 12mm x 12mm of board space.

Brian Hedayati, vice president of marketing for high performance linear and power solutions at Micrel, said: "The MIC23158/9 combines superior high efficiency, ultra-stability and transient response with innovative packaging to ensure the highest overall load range Superior power density and thermal performance give designers unprecedented performance and flexibility.Micrel’s unique HyperLight Load architecture also gives portable point-of-sale terminals, USB wireless hubs and internet cards, RFID readers, automotive electronics and Applications such as point of load (POL) bring about a reduction in material costs and world-class transient response."

The MIC23158/9 are each offered in a thermally enhanced 20-pin 3mm x 4mm MLF® package and provide two independent input voltages in the range of 2.7V to 5.5V. They also provide two adjustable output voltages, ranging from 1.0V to 3.6V, with a maximum output current of 2A per channel. The MIC23158/9 also provides very low quiescent current (45μA/channel) with load currents as low as 1mA, achieving up to 83% efficiency. The two solutions also provide two independent power-good (PG) output signals, support inputs, and programmable soft-start inputs. The device's operating junction temperature range is -40 degrees Celsius to 125 degrees Celsius. The MIC23159 also has an additional active pull-down circuit that discharges when the device fails.

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