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Maxim Integrated Products Introduces Voltage-Tracking Controller ICs For PowerPC, DSPs, and ASICs
Business Wire, July 3, 2002
Business Editors/High Tech Writers
Maxim Integrated Products introduces the MAX5039 and MAX5040 voltage-tracking controllers. These devices provide intelligent control to power systems where two power supplies need to track and limit the voltage difference during power-up and power-down. The MAX5039/MAX5040 integrated circuits are well suited for voltage tracking of I/O and core power supplies for PowerPC(R), DSPs, and ASICs, preventing latchup and ensuring long-term reliability. Both the MAX5039 and MAX5040 drive an external N-channel MOSFET connected between the two voltage rails, allowing less than 200mV deviation between input/output and core voltage during power-up and power-down. Voltage tracking of two power supplies at any power level is possible. In addition, the devices detect short circuit on both supplies, and they disable the power supplies in case of a short-circuit condition.
The MAX5039/MAX5040 operate from a 2.5V to 5.5V supply voltage. They provide tracking for core voltages (VCORE) of 0.8V to 4V and I/O voltages of VCORE to 4V. The MAX5040 has the same functionality as the MAX5039, but also includes an auxiliary comparator for voltage monitoring and a power-good (PGOOD) output.
The MAX5039/MAX5040 are available in 8-pin and 10-pin microMAX packages, respectively, and are rated for operation over the extended-industrial temperature range (-40 degrees Celsius to 85 degrees Celsius). Prices start at $0.98 for MAX5039 and $1.14 for MAX5040 (1000-up, FOB USA).
Power PC is a registered trademark of IBM Corp.
To view a graphic of this product, visit:
PREVIEW image (smaller image to view in Navigator or Explorer): http://dbserv.maxim-ic.com/PRGraphics/images/PR5039.jpg
JPEG (300 dpi, high quality, RGB color) http://dbserv.maxim-ic.com/PRGraphics/images/5039.jpg
TIFF (300 dpi uncompressed CMYK TIF, in a .ZIP archive*) http://dbserv.maxim-ic.com/PRGraphics/images/5039-cmyk-tif.zip
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