TPS54521RHLR ,17V Input, 5A Synchronous Step-Down Converter 14-VQFN -40 to 125FEATURES2• Integrated 57mΩ / 50mΩ MOSFETs • Power Good Output for Undervoltage andOvervoltage Monit ..
TPS54525PWPR ,4.5V to 18V Input, 5.5-A Synchronous Step-Down Converter 14-HTSSOP -40 to 85ELECTRICAL CHARACTERISTICSover operating free-air temperature range, V = 12V (unless otherwise note ..
TPS54526PWPR ,4.5V to 18V Input, 5.5A Synchronous Step-Down Converter with Eco-Mode? 14-HTSSOP -40 to 85 SLVSB84C–MAY 2012–REVISED JUNE 20146 Pin Configuration and FunctionsRSA PACKAGE(TOP VIEW)PWP PACKA ..
TPS54527DDAR ,4.5V to 18V Input, 5-A Synchronous Step-Down Converter 8-SO PowerPAD -40 to 85 SLVSAY5D–JULY 2011–REVISED AUGUST 20165 Pin Configuration and FunctionsDDA Package8-Pin SO PowerPA ..
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TPS54540DDAR ,42 V, 5 A, Step-Down DC-DC Converter with Eco-Mode 8-SO PowerPAD -40 to 125Features 3 DescriptionThe TPS54540 is a 42 V, 5 A, step down regulator1• High Efficiency at Light L ..
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TPS54521RHLR
17V Input, 5A Synchronous Step-Down Converter
Adjustable Input Undervoltage Lockout• 200kHzto 900kHz Switching Frequency Supported by SwitcherPro™ Software Tool• Synchronizesto External Clock 0.8V Voltage Reference APPLICATIONS• Low 2uA Shutdown Quiescent • Flat Panel Digital TVs• Hiccup Overcurrent Protection • Set Top Boxes, Personal Video Recorders• Monotonic Start-Up into Prebiased • Net• –40°Cto 125°C Operating Junction • HighTemperature Range 12• Pin-to-Pin Compatible with the Adjustable Slow Start/PowerDESCRIPTIONThe TPS54521isa full featured synchronous step down
through high efficiency and integrated high-side and low-side MOSFETs.
through current mode control, which reduces component count,
reducing the inductor's footprint.
The output voltage startup rampby the SS/TR pin allows operationas eithera stand
power supplyorin tracking situations. Power sequencingis alsoby correctly configuring the enable
the open drain power good pins.
Cycleby cycle current limiting on high-side FET protects thein overload situations andis enhanceda low-side which prevents current Hiccup protection will be triggered
overcurrent condition longer than the preset shutdown disables the part
temperature temperature. The TPS54521is availableina 14 pin, 3.5mm
QFN, thermally
