See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

D | 8

Temp:

S (-40 to 150)

ECO Plan:

Green (RoHS & no Sb/Br)

TPS54331D


3.5V to 28V Input, 3A, 570kHz Step-Down Converter with Eco-mode

TI Store Price:

 
 
Qty.Price
1 - 9 $ 1.94
10 - 24 $ 1.74
25 - 99 $ 1.61
100 - 249 $ 1.40
250 - 499 $ 1.30
500 - 749 $ 1.09
750 - 999 $ 0.89
1000 - 9999 $ 0.72

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Texas Instruments TPS54331D

The TPS54331 device is a 28-V, 3-A non-synchronous buck converter that integrates a low RDS(on) high-side MOSFET. To increase efficiency at light loads, a pulse skipping Eco-mode feature is automatically activated. Furthermore, the 1-µA shutdown supply-current allows the device to be used in battery-powered applications. Current mode control with internal slope compensation simplifies the external compensation calculations and reduces component count while allowing the use of ceramic output capacitors. A resistor divider programs the hysteresis of the input undervoltage lockout. An overvoltage transient protection circuit limits voltage overshoots during startup and transient conditions. A cycle-by-cycle current-limit scheme, frequency foldback and thermal shutdown protect the device and the load in the event of an overload condition. The TPS54331 device is available in an 8-pin SOIC package and 8-pin SO PowerPAD package that have been internally optimized to improve thermal performance.

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