LT8304
LT8304-1
Info : RECOMMENDED FOR NEW DESIGNS
searchIcon
cartIcon

LT8304
LT8304-1

100VIN Micropower No-Opto Isolated Flyback Converter with 150V/2A Switch

Show More showmore-icon

Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Viewing: Part Details
arrow-icon

Not the part you were looking for?

viewall Go to Product Selection Table
file View Data Sheet (Rev.B)
Documentation View All Documentation
LTspice LT8304 Demo Circuit - µPower No-Opto Isolated Flyback Converter (18-72V to 5V @ 2A) Download 3.00KB LTspice LT8304 - Switching Regulators Download 2.21 KB
Part Models 12
1ku List Price Starting From $4.25
Features
  • 3V to 100V Input Voltage Range
  • 2A, 150V Internal DMOS Power Switch
  • Low Quiescent Current:
    • 116μA in Sleep Mode
    • 390μA in Active Mode
  • Quasi-Resonant Boundary Mode Operation at Heavy Load
  • Low Ripple Burst Mode® Operation at Light Load
  • Minimum Load < 0.5% (Typ) of Full Output
  • No Transformer Third Winding or Opto-Isolator
  • Required for Output Voltage Regulation
  • Accurate EN/UVLO Threshold and Hysteresis
  • Internal Compensation and Soft-Start
  • Temperature Compensation for Output Diode
  • Output Short-Circuit Protection
  • Thermally Enhanced 8-Lead SO Package
Additional Details
show more Icon

The LT8304/LT8304-1 are monolithic micropower isolated flyback converters. By sampling the isolated output voltage directly from the primary-side flyback waveform, the parts require no third winding or opto-isolator for regulation. The output voltage is programmed with two external resistors and a third optional temperature compensation resistor. Boundary mode operation provides a small magnetic solution with excellent load regulation. Low ripple Burst Mode operation maintains high efficiency at light load while minimizing the output voltage ripple. A 2A, 150V DMOS power switch is integrated along with all the high voltage circuitry and control logic into a thermally enhanced 8-lead SO package.

The LT8304/LT8304-1 operate from an input voltage range of 3V to 100V and deliver up to 24W of isolated output power. The high level of integration and the use of boundary and low ripple Burst Mode operation result in a simple to use, low component count, and high efficiency application solution for isolated power delivery. The LT8304-1 is specially optimized for high step-up output applications.

Applications

  • Isolated Automotive, Industrial, Medical, Telecom Power Supplies
  • Isolated Auxiliary/Housekeeping Power Supplies
Show More Arrow image
file View Data Sheet (Rev.B)
Documentation View All Documentation
LTspice LT8304 Demo Circuit - µPower No-Opto Isolated Flyback Converter (18-72V to 5V @ 2A) Download 3.00KB LTspice LT8304 - Switching Regulators Download 2.21 KB
Part Models 12
1ku List Price Starting From $4.25
modal bookmark icon

{{modalTitle}}

modal close icon

{{modalDescription}}

{{dropdownTitle}}

input down arrow
  • {{defaultSelectedText}}
    • {{#each projectNames}}
  • {{name}}
    • {{/each}} {{#if newProjectText}}
  • plus icon {{newProjectText}}
    • {{/if}}
{{#if toggleButtonDescription}}
{{toggleButtonDescription}}
{{/if}} {{#if newProjectTitle}}

{{newProjectTitle}}

{{projectNameErrorText}}

{{/if}}

LT8304
LT8304-1

Documentation

6
overlayclose

Filters

1 Applied

mobileoverlaydownarrow
  • All
    TickIcon
  • Design Note
  • User Guide
  • Data Sheet
  • Reliability Data
  • All
    TickIcon
  • English
  • Japanese
resetfilter

Reset Filters

Data Sheet

2

PDF Vector

PDF

UPDATED 02/15/2017
English

LT8304: 100VIN Micropower No-Opto Isolated Flyback Converter with 150V/2A Switch Data Sheet (Rev.B)

Open PDF File

redirect
2.4 M
download

Download PDF

PDF Vector

PDF

UPDATED 08/14/2016
Japanese

LT8304: 150V/2Aスイッチを内蔵したオプトカプラ不要の100V入力マイクロパワー絶縁型フライバック・コンバータ データシート

Open PDF File

redirect
1.00M
download

Download PDF

Design Note

2

PDF Vector

PDF

UPDATED 01/22/2018
English
DN1047 - 1000 V Output, No-Opto, Isolated Flyback Converter redirect icon

406.00K

download

Download PDF

PDF Vector

PDF

UPDATED 01/22/2018
Japanese
DN1047 - 1000V 出力、オプトカプラ不要の絶縁型フライバック・コンバータ redirect icon

406.00K

download

Download PDF

User Guide

1

PDF Vector

PDF

UPDATED 05/25/2016
English
DC2393A - Demo Manual redirect icon

338.00K

download

Download PDF

Reliability Data

1

PDF Vector

PDF

UPDATED 03/23/2018
English
R570 Reliability Data redirect icon

415.69 K

download

Download PDF

There are no results matching this criteria. Try resetting your filters or searching for a different term

close icon

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LT8304ES8E#PBF 8-Lead SOIC (Narrow 0.15 Inch w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT8304ES8E#TRPBF 8-Lead SOIC (Narrow 0.15 Inch w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT8304ES8E-1#PBF 8-Lead SOIC (Narrow 0.15 Inch w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT8304ES8E-1#TRPBF 8-Lead SOIC (Narrow 0.15 Inch w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT8304HS8E#PBF 8-Lead SOIC (Narrow 0.15 Inch w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT8304HS8E#TRPBF 8-Lead SOIC (Narrow 0.15 Inch w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT8304HS8E-1#PBF 8-Lead SOIC (Narrow 0.15 Inch w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT8304HS8E-1#TRPBF 8-Lead SOIC (Narrow 0.15 Inch w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT8304IS8E#PBF 8-Lead SOIC (Narrow 0.15 Inch w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT8304IS8E#TRPBF 8-Lead SOIC (Narrow 0.15 Inch w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT8304IS8E-1#PBF 8-Lead SOIC (Narrow 0.15 Inch w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT8304IS8E-1#TRPBF 8-Lead SOIC (Narrow 0.15 Inch w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link

Filter by Model

reset

Reset Filters

Part Models

Product Lifecycle

PCN

Apr 11, 2019

- 19_0067

Notification of Wafer Fab Location Change for 0.35 BCD Process

LT8304ES8E#PBF

PRODUCTION

LT8304ES8E#TRPBF

PRODUCTION

LT8304ES8E-1#PBF

PRODUCTION

LT8304ES8E-1#TRPBF

PRODUCTION

LT8304HS8E#PBF

PRODUCTION

LT8304HS8E#TRPBF

PRODUCTION

LT8304HS8E-1#PBF

PRODUCTION

LT8304HS8E-1#TRPBF

PRODUCTION

LT8304IS8E#PBF

PRODUCTION

LT8304IS8E#TRPBF

PRODUCTION

LT8304IS8E-1#PBF

PRODUCTION

LT8304IS8E-1#TRPBF

PRODUCTION

pdf

PCN19_0067_Form

external-icon

xls

Material_Report

Download

xlsm

Delta Qualification Matrix

Download

pdf

Qualification Results Summary

external-icon

Detailed Parts List

pdf

Other

external-icon

Filter by Model

reset

Reset Filters

Part Models

Product Lifecycle

PCN

Apr 11, 2019

- 19_0067

arrow down

Notification of Wafer Fab Location Change for 0.35 BCD Process

LT8304ES8E#PBF

PRODUCTION

LT8304ES8E#TRPBF

PRODUCTION

LT8304ES8E-1#PBF

PRODUCTION

LT8304ES8E-1#TRPBF

PRODUCTION

LT8304HS8E#PBF

PRODUCTION

LT8304HS8E#TRPBF

PRODUCTION

LT8304HS8E-1#PBF

PRODUCTION

LT8304HS8E-1#TRPBF

PRODUCTION

LT8304IS8E#PBF

PRODUCTION

LT8304IS8E#TRPBF

PRODUCTION

LT8304IS8E-1#PBF

PRODUCTION

LT8304IS8E-1#TRPBF

PRODUCTION

pdf

PCN19_0067_Form

external-icon

xls

Material_Report

Download

xlsm

Delta Qualification Matrix

Download

pdf

Qualification Results Summary

external-icon
Detailed Parts List

pdf

Other

external-icon

Software & Part Ecosystem

Parts Product Life Cycle Description

High Voltage Hot Swap Controllers1
LTM9100
popup image
Cart

PRODUCTION

Anyside™ High Voltage Isolated Switch Controller with I2C Command and Telemetry

Surge Stopper, Overvoltage, and Overcurrent Protection1
LT4363
popup image
Cart

RECOMMENDED FOR NEW DESIGNS

High Voltage Surge Stopper with Current Limit

Parts Product Life Cycle Description
LT8302
LT8302-3
popup image
Cart

42VIN Micropower No-Opto Isolated Flyback Converter with 65V/3.6A Switch

Evaluation Kits 1

reference details image

DC2393A

LT8304ES8E Isolated Demo Board | No-Opto Flyback, 18V ≤ VIN ≤ 72V; VOUT = 5V @ 2A to 4.2A

zoom

DC2393A

LT8304ES8E Isolated Demo Board | No-Opto Flyback, 18V ≤ VIN ≤ 72V; VOUT = 5V @ 2A to 4.2A

download icon

Download

 print icon

Print
DC2393A
LT8304ES8E Isolated Demo Board | No-Opto Flyback, 18V ≤ VIN ≤ 72V; VOUT = 5V @ 2A to 4.2A
Buy Now View Details

Product Detail

Demonstration circuit 2393A is a micropower no-opto isolated flyback converter featuring the LT8304. This demo circuit outputs 5.0V, and maintains tight regulation with a load current from 20mA up to 4.2A and over an input voltage from 18V to 72V. The output current capability increases with the input voltage, as shown in the Performance Summary table.

Resources

pdf icon

PDF

DC2393A - Schematic Download

29.00K

pdf icon

ZIP

DC2393A - Design Files Download

630.00K

pdf icon

PDF

DC2393A - Demo Manual Download

338.00K

Show More Arrow image

Evaluation Kits1

evaluation kit item images

DC2393A

LT8304ES8E Isolated Demo Board | No-Opto Flyback, 18V ≤ VIN ≤ 72V; VOUT = 5V @ 2A to 4.2A

Tools & Simulations 1

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

spice tool Lt Spice

LT8304 Demo Circuit - µPower No-Opto Isolated Flyback Converter (18-72V to 5V @ 2A) Download

3.00K

spice tool Lt Spice

LT8304 - Switching Regulators Download

2.21 K

Reference Designs 1

Figure 1. CN0575 Simplified Block Diagram

CN0575

10BASE-T1L Field Device Development Platform with Class 12 and 13 SPoE

zoomopens a dialog

CN0575

10BASE-T1L Field Device Development Platform with Class 12 and 13 SPoE

download icon

Download

 print icon

Print
CN0575

Circuits from the lab

tooltip Info:Circuits from the lab
10BASE-T1L Field Device Development Platform with Class 12 and 13 SPoE

Features and Benefits

  • Data and Power Delivery using Single Pair Power over Ethernet
  • Power Class 12 and 13 Delivery Capable
  • Supports Longer Distances up to 1 km
  • Provides Speeds up to 10 MBPS
  • Works with Existing Software Stacks like PROFINET, EtherCat, MOD-BUS, and others
View Detailed Reference Design external link

Part Used 4

ADIN1110 reference design link

LTC9111 reference design link

ADT75 reference design link

LT8304
LT8304-1 reference design link

Design & Integration Tools

pdf icon

ZIP

Download CN0575 Design Files link icon

3.89 M

Reference Designs1

Figure 1. CN0575 Simplified Block Diagram

CN0575

10BASE-T1L Field Device Development Platform with Class 12 and 13 SPoE

Recently Viewed

Part Details
Documentation
Software & Part Ecosystem
Evaluation Kit
Tools & Simulations
Reference Designs
Latest Discussions