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ISL70003ASEH Datasheet 9a Buck Regulator

Manufacturer: Intersil (now Renesas)

Overview: ISL70003ASEH Radiation and SEE Hardened 3V to 13.2V, 9A Buck Regulator Datasheet The ISL70003ASEH is an improved version of the ISL70003SEH regulator with both tighter load regulation (<0.3% typical) and a higher output current rating of 9A. Operating over an input voltage range of 3.0V to 13.2V with integrated low rDS(ON) MOSFETs makes this monolithic solution highly efficient. Also, a tightly regulated output voltage is possible, which is externally adjustable from 0.6V to ~90% of the input voltage. Continuous output load current capability is 9A for TJ ≤+125°C and 6A for TJ ≤+150°C. The ISL70003ASEH uses voltage mode control architecture with feed-forward and switches at a selectable frequency of 500kHz or 300kHz. Loop pensation is externally adjustable to allow for an optimum balance between stability and output dynamic performance.

Key Features

  • two logic-level disable inputs that can be used to inhibit pulses on the phase (LXx) pins to maximize efficiency based on the load current. The ISL70003ASEH also supports DDR.

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