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SS6532CNTR Datasheet(PDF) 1 Page - Silicon Standard Corp. |
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SS6532CNTR Datasheet(HTML) 1 Page - Silicon Standard Corp. |
1 / 9 page www.SiliconStandard.com 1 of 9 SS6532 500mA Dual Linear Regulator with VAUX Driver FEATURES Continuous 3.3V output from three inputs Complete power management solution VCC, VSBY regulator supplies 500mA output Built-in hysteresis when selecting input supplies Drive control signal for external VAUX switch Output can be forced higher than input (off-state) APPLICATIONS Desktop Computers PCI Adapter Cards with Wake-on-LAN Network Interface Cards (NICs) Multi-power Systems Systems with Standby Capabilities DESCRIPTION The SS6532 is a dual-input regulator with VAUX drive control capable of delivering 3.3V/500mA continuously. The output power is provided from three independent input voltage sources on a prioritized basis. Power is always taken in priority using the following order: VCC, VSBY, and VAUX. The SS6532 meets Intel's "Instantly Available" power requirements which follow the ACPI "Advanced Configuration and Power Interface" standards. When either VCC or VSBY is present, the device automatically enables the regulator and produces a stable 3.3V output. When only VAUX (3.3V) is present, the drive control output will turn on an external P-MOSFET switch from an auxiliary 3.3V supply VAUX to maintain VOUT. The IC also prevents excessive current from flowing back from VOUT to either input or ground when the output voltage is greater than the input voltage. All the control circuitry needed to provide a a smooth and automatic transition between all three supplies has been incorporated. This allows both VCC and VSBY to be dynamically switched without loss of output voltage. Rev.2.02 3/21/2004 |
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