TPS54328DDA Part Information

Details for TPS54328DDA by Texas Instruments

Electronic & Electrical Components>Semiconductors - ICs>Power Management

Part Description

The TPS54328 is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54328 enables system designers to complete the suite of various end-equipment power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54328 uses the D-CAP2 mode control that provides a fast transient response with no external compensation components. The adaptive on-time control supports seamless transition between PWM mode at higher load conditions and Eco-mode operation at light loads. Eco-mode allows the TPS54328 to maintain high efficiency during lighter load conditions. The TPS54328 also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 4.5-V to 18-V input (VIN). The output voltage can be programmed from 0.76 V to 7 V. The device also features an adjustable soft start time. The TPS54328 is available in 8-pin DDA and 10-pin DRC packages, and is designed to operate over the ambient temperature range of –40°C to 85°C.

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Part Features

  • 700-kHz Switching Frequency (fSW)
  • Adjustable Soft Start
  • Auto-Skip Eco-Modeu2122 for High Efficiency at Light
  • Cycle-By-Cycle Overcurrent Limit
  • D-CAP2u2122 Mode Enables Fast Transient Response
  • High Efficiency, Less Than 10 u00b5A at Shutdown
  • High Initial Bandgap Reference Accuracy
  • Highly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications u2013 100 mu2126 (High-Side) and 70 mu2126 (Low-Side)
  • Low Output Ripple and Allows Ceramic Output Capacitor
  • Output Voltage Range: 0.76 V to 7 V
  • Pre-Biased Soft Start
  • Wide Input Voltage Range: 4.5 V to 18 V

Part Specifications

Topology Synchronous Buck (Step Down)
Input Voltage Min 4.5V
Input Voltage Max 18V
No. of Outputs 1Outputs
DC / DC Converter IC Case HSOP
No. of Pins 8Pins
Output Current 3A
Output Voltage Min 760mV
Output Voltage Max 7V
Switching Frequency 700kHz
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 2 - 1 year
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

Alternative Part Descriptions

  • DC/DC CONV, SYNC BUCK, 700KHZ, HSOP-8; Topology:Synchronous Buck (Step Down); Input Voltage Min:4.5V; Input Voltage Max:18V; No. of Outputs:1Outputs; DC / DC Converter IC Case:HSOP; No. of Pins:8Pins; Output Current:3A; Output RoHS Compliant: Yes | Newark Electronics
  • 4.5V to 18V Input, 3-A Synchronous Step-Down Converter with Eco-mode™ | Texas Instruments

Frequently Asked Questions

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Additional datasheets, footprints and schematics for TPS54328DDA are listed in our Part Details tab. You can also find the TPS54328DDA image and similar parts on this details page.

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What category does TPS54328DDA fall under?

The TPS54328DDA is listed under Electronic & Electrical Components > Semiconductors - ICs > Power Management.

Can I view similar or alternative parts?

You can view similar parts to TPS54328DDA when available in the Power Management range under the specifications section at the bottom of the details page.

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Is the TPS54328DDA RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Farnell.

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