TPS54611PWP ,Low Input Voltage 6A Synchronous Buck Converter with 0.9V OutputFeatures 3 DescriptionThe SWIFT™ family of dc/dc regulators, the1• 30-mΩ, 12-A Peak MOSFET Switches ..
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TPS54611PWP
Low Input Voltage 6A Continuous Buck Converter with 0.9V Output
2
VIN PH
BOOT
PGND
VSENSE
Output
Input
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TPS54611, TPS54612, TPS54613
TPS54614, TPS54615, TPS54616SLVS400D –AUGUST 2001–REVISED JANUARY 2015
TPS5461x 3-V to 6-V Input, 6-A Output Synchronous Buck PWM Switcher With Integrated
FETs (SWIFT™) Features 3 DescriptionThe SWIFT™ family of dc/dc regulators, the 30-mΩ, 12-A Peak MOSFET Switches for High TPS54611, TPS54612, TPS54613, TPS54614,Efficiencyat 6-A Continuous Output Source and TPS54615 and TPS54616 low-input voltage high-Sink output current synchronous-buck PWM converters• 0.9-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V Fixed integrateall required active components. Included onOutput Voltage Devices With 1.0% Initial Accuracy the substrate are true, high-performance, voltage
error amplifiers that provide high performance under• Internally Compensated for Easy Use and Minimal
transient conditions; an under-voltage-lockout circuitComponent Count to prevent start-up until the input voltage reaches3V;• Fast Transient Response an internally and externally set slow-start circuitto• Wide PWM Frequency− Fixed 350 kHz, 550 kHz limit in-rush currents; anda powergood output useful Adjustable 280 kHzto 700 kHz for processor/logic reset, fault signaling, and supply• Load Protectedby Peak Current Limit and
Thermal Shutdown• Integrated Solution Reduces Board Area andTotal Cost
2 Applications• Low-Voltage, High-Density Systems With PowerDistributedat5Vor 3.3V• Pointof Load Regulationfor High PerformanceDSPs, FPGAs, ASICs and Microprocessors• Broadband, Networking and OpticalCommunications Infrastructure• Portable Computing/Notebook PCs
Simplified Schematic
