Micrel has introduced its MIC69502, a 5-A, low-voltage, single-supply, low drop out (LDO) regulator. This IC is suitable for supporting the power requirements of current and future FPGAs, microcontrollers and other logic ICs in applications such as communication switches, storage networks and wireless base stations.

"As next-generation DSPs, FPGAs and ASICs migrate from 90-nm to 65-nm processes, supply voltage requirements decrease while current requirements increase," said Ralf Muenster, Micrel's director of marketing for power products.

Micrel's MIC69502 fulfills the need for a single input regulator that can support these newer lower voltage requirements. With a 0.5-V reference and an output voltage accuracy over line load and temperature of 2%, this device also anticipates requirements for output voltages of less than 0.8 V in the future.

The device features a single supply input range of 1.65 V to 5.5 V in support of a 5-A output current. This compact IC offers very low minimum output voltage of just 0.5 V and comes in a SPAK-7 package option. The IC exhibits excellent transient response and is stable with a 10-µF ceramic output capacitor. With minimal component count, 500-mV maximum dropout at 5 A over temperature, and a low minimum input voltage, the device gives designers increased flexibility, due to the small amount of real estate required and reduced power dissipation.

The MIC69502 is currently available in volume; pricing starts at $3.55 for 1K quantities.

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