Regulator stable with low-cost ceramic caps

26 February 2003 Power Electronics / Power Management Products & Solutions

International Rectifier's IRU1011-33, a fixed output linear voltage regulator capable of providing a low drop-out voltage, can provide a continuous current up to 1,3 A with a single 5 V input. IR claims the device is stable with low-value, low-cost ceramic capacitors, enabling compact designs at lower cost and lower noise compared with circuits using tantalum capacitors. Applications for these LDOs include power management for hard disk drives and ADSL and cable modems. The IRU1011-33 is specifically designed to meet current transient response up to 1,3 A/µs and provides an initial voltage reference with 2% accuracy. The LDO includes built-in output current limiting and internal thermal shutdown.

Avnet Kopp, 011 809 6100

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