100% Pb-Free Step-Down Regulator Delivering 1V at 34A Reference Design
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Key Document


PMP10770 incorporates the TPS53219A and CSD87384M, which are the Green alternative to the TPS53355 30A dc/dc converter, and are 100% Pb-free. The design is for 10V-14V input, 1Voutput at 34A current with  83% efficiency at full load.

  • 100% Pb free
  • Green alternative to TPS53355
  • 500KHz switching frequency
  • 83% efficiency at full load of 34A
  • Design length of 50mm
  • 15.4mV output voltage ripple at 12VIN, and full load

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Schematic/Block Diagram

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Design Files

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(Output Voltage 1)
Vin (Min) (V)8
Vin (Max) (V)14
Vout (Nom) (V)1
Iout (Max) (A)34
Output Power (W)34
Input TypeDC
TopologyBuck- Synchronous

TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD87384M  30V, Nch synchronous buck NexFET MOSFET™, 5x3.5 LGA, 30A  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
TPS53219A  3V to 28V Input, 20A, Eco-Mode™, D-CAP™ Synchronous Buck Controller  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TPS53219A Download -

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Technical documentation

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User guides (1)
Title Type Size (KB) Date
PDF 1018 04 Jun 2015
Design files (4)
Title Type Size (KB) Date
ZIP 314 04 Jun 2015
PDF 48 04 Jun 2015
PDF 113 04 Jun 2015
PDF 116 04 Jun 2015

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