Update: 30 September, 2023
The LTC3717 is a synchronous step-down switching regulator controller from Texas Instruments for DDR and QDR memory termination. The controller uses a valley current control architecture to deliver very low duty cycles without requiring a sense resistor. Operating frequency is selected by an external resistor and is compensated for variations in VIN. Forced continuous operation reduces noise and RF interference. Output voltage is internally set to half of VREF, which is user programmable. Fault protection is provided by an output overvoltage comparator and optional short-circuit shutdown timer. Soft-start capability for supply sequencing is accomplished by internally compensating VIN's variation with switching frequency.
File format: PDF
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MD5 Checksum: 1C50E018136B6018D1FC053F810D6607
Publication date: 09 May, 2012
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PDF Link: LINEAR TECHNOLOGY LTC3717 Manual PDF