PMP30197

5.85W Isolated Self-Driven Synchronous Inverting Fly-Buckboost with Optocoupler Reference Design

PMP30197

Design files

Overview

The PMP30197 reference design is an inverting Fly-BuckBoost power supply using the LM2743 to generate an isolated output voltage of 3.9V. The design accepts an input voltage of 2V to 5.25V.  The converter regulates the secondary side output with an optocoupler and is capable of achieving good output voltage regulation. The synchronous rectifier on the secondary output improves efficiency.

Features
  • Isolated output
  • Optocoupler regulated
  • Synchronous rectifier on the secondary winding improves efficiency
  • Test report available
Output voltage options PMP30197.1
Vin (Min) (V) 2
Vin (Max) (V) 5.25
Vout (Nom) (V) 3.9
Iout (Max) (A) 1.5
Output Power (W) 5.85
Isolated/Non-Isolated Isolated
Input Type DC
Topology FlyBuck

A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDUDC6.PDF (536 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

TIDRRN6.PDF (186 K)

Detailed schematic diagram for design layout and components

TIDRRN7.PDF (105 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRRN8.PDF (199 K)

Detailed overview of design layout for component placement

TIDRRO0.ZIP (451 K)

Files used for 3D models or 2D drawings of IC components

TIDCDL7.ZIP (97 K)

Design file that contains information on physical board layer of design PCB

TIDRRN9.PDF (222 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Buck controllers (external switch)

LM27432.2-V to 16-V, voltage mode synchronous buck controller with tracking

Data sheet document-pdfAcrobat PDF open-in-new HTML
Linear & low-dropout (LDO) regulators

LP2985-N150-mA, 16-V, low-dropout voltage regulator with enable

Data sheet document-pdfAcrobat PDF open-in-new HTML
Shunt voltage references

LMV431A1%, low-voltage (1.24-V) adjustable precision shunt regulator

Data sheet document-pdfAcrobat PDF

Technical documentation

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Type Title Date
* Test report PMP30197 Test Results Jun. 29, 2017

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