TPS54331DR
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  • Air ProTPS54331DR
  • Air ProTPS54331DR

TPS54331DR

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Product Description


The TPS54331DR device is a 28V, 3A non-synchronous buck converter that integrates a low RDS(on) high-side MOSFET. The automatic activation of the pulse-skipping Eco-mode feature enables the TPS54331DR device to improve efficiency under light load conditions. In addition, the TPS54331DR device's 1µA shutdown supply current makes it useful for battery-powered applications.

External compensation calculations are simplified under current-mode control with internal slope compensation, while reducing component count while allowing the use of ceramic output capacitors.

A resistor divider programs the hysteresis of the input undervoltage lockout. Overvoltage transient protection circuitry limits voltage overshoot during startup and during transient conditions. A cycle-by-cycle current limit scheme, frequency foldback, and thermal shutdown features protect the device and load from overload conditions.

The TPS54331DR device is available in 8-lead SOIC and 8-lead SOPowerPAD packages that are internally optimized for improved thermal performance.

The TPS54331DR device is suitable for consumer applications such as set-top boxes, CPE equipment, LCD displays, peripherals and battery chargers, industrial and automotive audio power supplies and 5V, 12V, 24V distributed power systems.

 

Features:

•3.5V to 28 input voltage range

•Adjustable output voltage down to 0.8V•

Integrated 80mΩhigh-side MOSFET supports up to 3A continuous output current

•High efficiency at light load conditions using pulse skipping power saving mode

•570 kHz fixed switching frequency

•1µA shutdown quiescent current (typ)

•Adjustable slow start to limit inrush current

•Programmable UVLO threshold

•Overvoltage transient protection

•Cycle-by-cycle current limit, frequency foldback and thermal shutdown protection

•Available in an easy-to-use SOIC8 package or thermally enhanced SOIC8PowerPAD™package

•Use the TPS54331 to create custom designs with WEBENCH® PowerDesigner

 

Product parameters


technical parameter

Number of output ports

1

Quiescent Current

110μA

On-off level

570千赫

Input voltage (Max)

28V

Input voltage (Min)

3.5V

Output voltage (Max)

25V

Output voltage (Min)

800mA

3A

Output current

150℃

Working temperature (Max)

-40℃

Working temperature (Min)

8

Number of pins

SOIC-8

 

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A: Yes, in order to ensure product quality, we employ a number of professional engineers.

 



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