Intersil Corp. (Milpitas, CA) announced the release of a new series of tiny, near-chip-scale-packaged, power-sequencing ICs targeted for low-voltage applications such as found in servers, blade servers, telecom/datacom line cards, graphics cards, and other PC and communications systems. The new ISL6123, ISL6124 and ISL6125 low-voltage power sequencers provide an efficient, flexible and cost-effective means for safely powering up and powering down low-voltage systems that demand controlled and orderly power sequencing.
The new power sequencers are packaged in the small and thermally efficient 4mm x 4mm quad-flat no-lead (QFN) package and provide four-channel control with soft-start and under-voltage protection. They are designed to sequence four voltage channels, each in the range of 0.7V to 5.5V, with any-order flexibility. This flexibility allows the designer to change timing and sequence by simply changing the values of external resistors and capacitors, without requiring any layout changes.
The ISL6123IR, ISL6124IR and ISL6125IR are available now in the 4mm x 4mm QFN package rated for the –40°C to +85°C industrial temperature range. The price is $3.15 per IC in 100-unit to 999-unit quantities. Other pricing is available upon request.
