Power Factor Controllers | NCP1655

Multi-Mode (CrM-CCM) Power Factor Correction Controller, Brown Out Protection

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The NCP1655 is an innovative multimode power factor controller. The circuit naturally transitions from Continuous Conduction Mode (CCM) to Critical Conduction Mode (CrM) and vice versa depending on the switching period duration, so that the efficiency is optimized over the line/load range. In every-light-load conditions, the circuit can enter the soft-SKIP mode for minimized losses. Housed in a SO-9 package, the circuit further incorporates the features necessary for robust and compact PFC stages, with few external components.

  • All Off Line Appliances Requiring Power Factor Correction

  • High Power AC/DC Power Supply
  • Industrial and Medical Power Supply
  • Computing Power Supply
  • Lighting Power Supply

  • Multi-mode (CrM-CCM) Operation
  • Frequency Foldback / Soft-SKIP mode
  • pfcOK Signal
  • Complete protection features: OCP, OVP, BO, BVP...
  • Frequency jittering in CCM

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Container Qty.

ON Target

PFC Mode

Frequency Operation

Control Mode

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fSW Typ (kHz)

VCC Max (V)

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NCP1655ADR2G

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CAD Model

Pb

A

H

P

SOIC-9 NB

751BP

1

260

REEL

2500

F

MM

Variable

Current/Voltage Mode

Step-Up

65 / Variable

35

500 / 800

10.5

Yes

Yes

No

$0.7882

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可靠性数据

Die Related Summary Data

Device: NCP1655ADR2G

Equivalent to wafer fab process: ONC25

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等效器件小时

平均故障间隔时间/平均无故障时间（按小时计算）

FITS

ONC25

1

2712519294

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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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