Product Summary

The TPS54331DR is a 28V, 3A non-synchronous buck up to 3A Continuous Output Current MOSFET. To increase efficiency at light loads, a pulse skipping Eco-mode feature is automatically activated. The applications of TPS54331DR are: (1)Consumer Applications such as Set-Top Boxes, CPE Equipment, LCD Displays, Peripherals, and Battery Chargers; (2)Industrial and Car Audio Power Supplies; (3)5V, 12V and 24V Distributed Power Systems.

Parametrics

TPS54331DR absolute maximum ratings: (1)Input Voltage: VSENSE –0.3 to 3 V, COMP –0.3 to 3 V, SS –0.3 to 3 V; (2)Output Voltage: PH –0.6 to 30 V, PH (10 ns transient from ground to negative peak) –5 V; (3)Source Current: EN 100 mA, BOOT 100 mA, VSENSE 10 mA, PH 9 A; (4)Electrostatic Discharge (HBM): 2 kV; (5)Electrostatic Discharge (CDM): 500 V; (6)Operating Junction Temperature: –40 to 150 ℃; (7)Storage Temperature: –65 to 150 ℃.

Features

TPS54331DR features: (1)3.5V to 28V Input Voltage Range; (2)Adjustable Output Voltage Down to 0.8V; (3)High Efficiency at Light Loads with a Pulse Skipping Eco-mode; (4)Fixed 570kHz Switching Frequency; (5)Typical 1μA Shutdown Quiescent Current; (6)Adjustable Slow Start Limits Inrush Currents; (7)Programmable UVLO Threshold; (8)Overvoltage Transient Protection.

Diagrams

TPS54331DR block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
TPS54331DR
TPS54331DR
Texas Instruments
DC/DC Switching Converters 3A 28V In Step Down SWIFT DC/DC Cnvrtr
Data Sheet
0-1: $2.24
1-25: $1.80
25-100: $1.66
100-250: $1.48
TPS54331DRG4
TPS54331DRG4
Texas Instruments
DC/DC Switching Converters 26V,3A DC-DC Converter
Data Sheet
0-1860: $1.09
1860-2000: $1.04
2000-2500: $1.04
2500-5000: $1.01