Low Vin Flyback Reference Design for High Voltage Laser Flash Drive

(ACTIVE) PMP10666

Description & Features

Technical Documents

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Key Document

Description

PMP10666 is a 12W isolated flyback design that supports very low Vin of 3.3V-6V and is capable of delivering 100mA at 120V output. The design uses LM3481 Boost controller IC which works on current mode operation and can be synchronized to any frequency between 100KHz to 1 MHz.

This design was built on a 2 layer board and is a simple, low-BOM-count, and low-cost design providing an isolated output.

Features
  • Low Cost Flyback design for low Vin to  High voltage output
  • Ultra Low Footprint Area for LM3481 Actual Power Stage
  • 100-kHz to 1-MHz Adjustable Synchronizable Clock Frequency and limits the inrush current at start-up
  • IC capable of 3V to 40V in

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Schematic/Block Diagram

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Test Data

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Design Files

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Bill of Materials (BOM)

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Parametrics
 PMP10666.1
(Output Voltage 1)
Vin (Min) (V)3.5
Vin (Max) (V)5.5
Vout (Nom) (V)120
Iout (Max) (A).1
Output Power (W)12
Isolated/Non-IsolatedIsolated
Input TypeDC
TopologyFlyback- Non Sync

TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD18504Q5A  40V, N-Channel NexFET™ Power MOSFET  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
LM3481  2.97V to 48V High-Efficiency Controller for Boost, SEPIC and Flyback  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules
TL431A  1% Accuracy Adjustable Precision Shunt Regulator  Voltage references  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD18504Q5A VSONP (DQJ)| 8 Download Download
LM3481 Download Download
TL431A Download Download
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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (2)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 153 14 Sep 2015 15
PDF 2755 08 Sep 2015 10
Design files (3)
Title Abstract Type Size (KB) Date Views
ZIP 186 08 Sep 2015 12
PDF 22 08 Sep 2015 5
PDF 213 08 Sep 2015 16

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