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FAN1654 Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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FAN1654 Datasheet(HTML) 1 Page - Fairchild Semiconductor |
1 / 7 page www.fairchildsemi.com REV. 1.0.5 4/17/02 Features • Sinks and sources 1A continuous, 1.5A peak • -40°C to +125°C Operating Range • Load regulation: (VDDQ/2) ± 40mV • 5mA VREF buffer tracks VTT • On-chip thermal limiting • Power-enhanced eTSSOP™-16 package • Low Current Shutdown Mode • Output Short Circuit Protection Applications • DDR terminators Description The FAN1654 is a low-cost bi-directional LDO specifically designed for terminating DDR memory bus. It can both sink and source up to 1A continuous, 1.5A peak, providing enough current for most DDR applications. Load regulation meets the JEDEC spec, VTT = (VDDQ/2) ± 40mV. The FAN1654 includes a buffered reference voltage capable of supplying up to 5mA current. On-chip thermal limiting provides protection against a combination of power overload and ambient temperature that would create an excessive junction temperature. A shutdown input puts the FAN1654 into a low power mode for laptop computer applications. The FAN1654 regulator is available in a power-enhanced eTSSOP™-16 package, and the standard SOIC-14 Block Diagram VSS VSS VSS + - VTTSENSE VTTFORCE VTTFORCE + - VDD VDD VDD SHDN VDDQ 200k 200k FAN1655 VSSQ VREFIN VREFOUT FAN1654 1.5A LDO, DDR Bus Termination Regulator |
Similar Part No. - FAN1654 |
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Similar Description - FAN1654 |
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