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Offline Controllers | NCP1343

Quasi-Resonant Flyback Controller with Power Excursion Mode

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Overview

The NCP1343 is a highly integrated quasi−resonant flyback controller suitable for designing high−performance off−line power converters. It features a proprietary valley−lockout circuitry, ensuring stable valley switching. This system works down to the 6th valley and transitions to frequency foldback mode to reduce switching losses. As the load decreases further, the NCP1343 enters quiet−skip mode to manage the power delivery while minimizing acoustic noise. Additionally, the NCP1343 integrates power excursion mode (PEM) to minimize transformer size in designs requiring high transient load capability.

  • AC-DC Adapters
  • Audio Power

  • Notebook Adapters
  • Smart Speakers & Subwoofers

  • Power Excursion Mode (PEM)
  • Minimum Peak Current Modulation for Rapid Frequency Foldback (RFF)
  • Integrated HV Startup with Brownout Protection
  • Valley Switching Operation with Valley Lockout
  • Quiet-Skip Technology

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Reference Price

NCP1343AMDCDBD1R2G

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Active

CAD Model

Pb

A

H

P

SOIC-9 NB

751BP

1

260

REEL

2500

F

Flyback

Current Mode

Variable

Yes

9

Yes

No

Yes

30

500 / 800

$0.483

More Details

NCP1343BADBDEAD1R2G

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Active

CAD Model

Pb

A

H

P

SOIC-9 NB

751BP

1

260

REEL

2500

Y

Flyback

Current Mode

Variable

Yes

9

Yes

Yes

Yes

30

500 / 800

$0.483

More Details

NCP1343ENAAEBBD1R2G

Loading...

Active

CAD Model

Pb

A

H

P

SOIC-9 NB

751BP

1

260

REEL

2500

F

Flyback

Current Mode

Variable

Yes

9

Yes

No

Yes

30

500 / 800

$0.483

More Details

NCP1343FNAAABCD1R2G

Loading...

Active

CAD Model

Pb

A

H

P

SOIC-9 NB

751BP

1

260

REEL

2500

F

Flyback

Current Mode

Variable

Yes

9

Yes

No

Yes

30

500 / 800

$0.483

More Details

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Reliability Data

Die Related Summary Data

Device: NCP1343AMDCDBD1R2G

Equivalent to wafer fab process: VHVIC

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

VHVIC

2

2577173853

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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