TIDA-00595 Reference Design

Texas Instruments

High Power Density 12Vin: 11.8W Buck Converter with Inductor On Top of the IC

Description

The TPS53515 Inductor-On-Top Step-Down Buck Converter reference design enables reduction of X-Y area while enabling >87% efficiency with 2.6W of power loss @12A load and 12mV of output voltage ripple with only 10x22uF ceramic output caps. This power reference design supports a 12V input and a 1.2V output at 12A and switches at 1MHz.

Features
  • • >87% Efficiency at 12VIN: 1.2Vout: 1MHz•  2.6W power loss at 11.8W Output Power•  12mV Output Voltage Ripple at 5A and 1MHz Fsw• 16mV Output Voltage Overshoot in response to 5A to 10A load step: 2.5A/us• 17mV Output Voltage Undershoot in response to 10A to 5A load release: 2.5A/us
Applications
  • Process analytics
  • Up/down/cross conversion
  • Edge router
  • Intra-DC interconnect (metro)
  • Inter-DC interconnect (long-haul
  • submarine)
  • Core router
  • Professional video camera
  • Routing & transport systems for broadcast
  • Production switchers & mixers for broadcast
  • Distribution amplifier
  • Data encoder/decoder (signage video transmitter card)
  • Campus & branch switches
  • Cell site gateway router
  • Data center switch
Product Categories
  • Power management

Parts

Part Number Name Companion Part
TPS53515 TPS53515 Buy Datasheet

Bill Of Materials

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Schematic

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Design File

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Test Data

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Other Documents

Title Updated Type Size (KB)
TIDA-00595 Gerber 05 Jun 2015 ZIP 291
TIDA-00595 BOM 05 Jun 2015 PDF 95
TIDA-00595 Schematic 05 Jun 2015 PDF 388