12V input to 3.3@2A output + Isolated 3.3V@150mA
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On a standard 12Vin to 3.3Vout@2A Buck converter, the main inductor has been replaced with a coupled one, thus adding an isolated 3.3V@150mA output. A linear regulator stabilizes the 3.3Vout.

TI Devices (3)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TLV1117  800-mA, 15-V, linear voltage regulator  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS54331  3.5V to 28V Input, 3A, 570kHz Step-Down Converter with Eco-mode  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules
TPS766  250-mA, 10-V, low-IQ, low-dropout voltage regulator with power good & enable  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TLV1117 Download Download
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TPS54331 Download Download
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TPS766 Download Download

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Technical documentation
User guide (1)
Title Type Size (KB) Date
PDF 300 11 Nov 2011
Design files (2)
Title Type Size (KB) Date
PDF 31 11 Nov 2011
PDF 51 11 Nov 2011

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