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

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Overview

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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Product

Status

ECAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

PFC Mode

Frequency Operation

Control Mode

Topology

fSW Typ (kHz)

VCC Max (V)

Drive Cap. (mA)

UVLO (V)

Latch

UVP

Inhibition

Pricing ($/Unit)

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NCP1655ADR2G

Active

Pb

A

H

P

SOIC-9 NB

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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