Critical Conduction Mode (CrM) Power Factor Correction Controller, THD Enhancer

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Overview

The NCL2801 is a current mode CRM Boost PFC control IC which can provide the best class THD performance over extended operating range utilizing ON Semiconductor’s THD enhancer technique. Efficiency and standby power are enhanced with Valley Count Frequency Fold-back (VCFF) method.

  • All Off Line Appliances Requiring Power Factor Correction
  • PC Power Supplies
  • Lighting Ballasts (LED, Fluorescent)
  • Flat TV
  • Valley Count Frequency Foldback
  • Dynamic Response Enhancer
  • Soft/Fast OVP
  • THD Enhancer
  • Line level feed-forward
  • Protections- Brown Out - Thermal Shutdown - OVP - Over Current limitation - Pin open/short protection
  • Wide Vcc (10.5~28 V) range/ 3 Vcc startup level
  • OTA Error Amp

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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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NCL2801CDADR2G

Active

Pb

A

H

P

SOIC-8

1

260

REEL

2500

Y

CRM

Variable

Current Mode

Step-Up

Variable

27

500 / 800

12.5

No

Yes

No

$0.2708

More Details

NCL2801CFADR2G

Active

Pb

A

H

P

SOIC-8

1

260

REEL

2500

Y

CRM

Variable

Current Mode

Step-Up

Variable

27

500 / 800

10.5

No

Yes

No

$0.2708

More Details

NCL2801CDBDR2G

Active

Pb

A

H

P

SOIC-8

1

260

REEL

2500

Y

CRM

Variable

Current Mode

Step-Up

Variable

27

500 / 800

12.5

No

Yes

No

$0.2708

More Details

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