Low Vin, Small Form Factor Flyback Reference Design for High Voltage Laser Flash Drive
PMP10712
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Description & Features

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Key Document

Description

PMP10712 is a 1.2W, small form factor, isolated flyback design that supports very low Vin of 3.3V-6V and is capable of delivering 10mA 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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Parametrics
 PMP10712.1
(Output Voltage 1)
Vin (Min) (V)3.3
Vin (Max) (V)5.3
Vout (Nom) (V)120
Iout (Max) (A).01
Output Power (W)1.2
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 ch NexFET MOSFETâ„¢, single SON5x6, 6.6mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
LM3481  2.97V to 48V High-Efficiency Controller for Boost, SEPIC and Flyback  Step-up (boost) regulators  Sample & Buy View Design Kits & Evaluation Modules
TL431  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
TL431 Download Download
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Technical documentation

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (2)
Title Type Size (KB) Date
PDF 100 14 Sep 2015
PDF 1846 08 Sep 2015
Design files (3)
Title Type Size (KB) Date
ZIP 185 08 Sep 2015
PDF 22 08 Sep 2015
PDF 208 08 Sep 2015

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