(China (Mainland))
Product Summary
As members of the SWIFT. family of dc/dc regulators, the TPS54317RHFRRHFR low-input-voltage high-output-current synchronous-buck PWM converter integrates all required active components. Included on the substrate with the listed features are a true, high performance, voltage error amplifier that provides high performance under transient conditions; an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 3 V; an internally and externally set slow-start circuit to limit in-rush externally set slow-start circuit to limit in-rush externally set slow-start circuit to limit in-rush sequencing. The TPS54317RHFR device is available in a thermally enhanced 24-pin QFN (RHF) PowerPAD. package, enhanced 24-pin QFN (RHF) PowerPAD. package, evaluation modules and the SWIFT designer software evaluation modules and the SWIFT designer software tool to aid in achieving high-performance power supply designs to meet aggressive equipment development cycles.
Parametrics
TPS54317RHFR absolute maximum ratings: (1)Input voltage range, VI, VIN: -0.3 V to 7 V; (2)Output voltage range, VO, VBIAS: -0.3 to 6 V; (3)Source current, IO, PH: Internally Limited (A); LSG (Steady State Current): 6 mA; COMP, VBIAS: 6 mA; (4)Sink current, IS, SYNC: 10 mA; (5)Voltage differential AGND to PGND: ±0.3 V; (6)Operating virtual junction temperature range, TJ: -40℃ to +150℃; (7)Storage temperature, Tstg: -65℃ to +150℃.
Features
TPS54317RHFR features: (1)60 mΩ MOSFET Switch for High Efficiency at 3-A Continuous Output Current; (2)Uses External Lowside MOSFET or Diode; (3)Output Voltage Adjustable Down to 0.9 V With 1% Accuracy; (4)Synchronizes to External Clock; (5)Wide PWM Frequency. 280 kHz to 1600 kHz; (7)Internal Slow Start; (8)Load Protected by Peak Current Limit and Thermal Shutdown; (9)Adjustable Undervoltage Lockout; (10)16-Pin TSSOP PowerPAD Package.
Diagrams
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 TPS54317RHFR |
Texas Instruments |
DC/DC Switching Regulators 1.6MHz 3-6Vin Sync Step Dwn Converter |
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TPS54317RHFRG4 |
Texas Instruments |
DC/DC Switching Regulators 1.6MHz 3-6Vin Sync Step Dwn Converter |
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