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TPS54311, TPS54312, TPS54313 T...
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Technical Documents
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TPS54311, TPS54312, TPS54313 TPS54314, TPS54315, TPS54316
SLVS416C – FEBRUARY 2002 – REVISED JANUARY 2015
TPS5431x 3-V to 6-V Input, 3-A Output Synchronous Buck PWM Switcher With Integrated FETs (SWIFT™)
1 Features
1 60-mΩ, MOSFET Switches for High Efficiency at 3-A Continuous Output Source and Sink Current
0.9-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V Fixed Output Voltage Devices With 1.0% Initial Accuracy
Internally Compensated for Low Parts Count Fast Transient Response Wide PWM Frequency − Fixed 350 kHz, 550 kHz
or Adjustable 280 kHz to 700 kHz Load Protected by Peak Current Limit and
Thermal Shutdown Integrated Solution Reduces Board Area and
Total Cost
2 Applications
Low-Voltage, High-Density Systems With Power Distributed at 5 V or 3.3 V
Point of Load Regulation for High Performance DSPs, FPGAs, ASICs and Microprocessors
Broadband, Networking and Optical Communications Infrastructure
Portable Computing/Notebook PCs
Input
Simplified Schematic
VIN
PH
TPS54316
BOOT
PGND VBIAS
VSENSE
GND
Output
3 Description
As members of the SWIFT™ family of DC - DC
regulators, the TPS54311, TPS54312, TPS54313, TPS54314, TPS54315 and TPS54316 low-inputvoltage high-outputcurrent synchronous-buck PWM converters integrate all required active components. Included on the substrate with the listed features are a true, high performance, voltage error amplifier that provides hi...