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Power Factor Controllers | MC33260

Compact Power Factor Correction Controller

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CAD Model

Overview

The MC33260 is a controller for Power Factor Correction preconverters meeting international standard requirements in electronic ballast and off-linepower conversion applications. Designed to drive a free frequency discontinuous mode, it can also be synchronized and in any case, it features very effective protections that ensure a safe and reliable operation.

This circuit is also optimized to offer extremely compact and cost effective PFC solutions. While it requires a minimum number of external components,the MC33260 can control the follower boost operation that is an innovative mode allowing a drastic size reduction of both the inductor and the power switch. Ultimately, the solution system cost is significantly lowered.

Also able to function in a traditional way (constant output voltage regulation level), any intermediary solutions can be easily implemented. This flexibility makes it ideal to optimally cope with a wide range of applications.

  • Standard Constant Output Voltage or "Follower Boost" Mode
  • Switch Mode Operation: Voltage Mode
  • Latching PWM for Cycle-by-Cycle On-Time Control
  • Constant On-Time Operation That Saves the Use of an Extra Multiplier
  • Totem Pole Output Gate Drive
  • Undervoltage Lockout with Hysteresis
  • Low Start-Up and Operating Current
  • Improved Regulation Block Dynamic Behavior
  • Synchronization Capability
  • Internally Trimmed Reference Current Source
  • Overvoltage Protection: Output Overvoltage Detection
  • Undervoltage Protection: Protection Against Open Loop
  • Effective Zero Current Detection
  • Accurate and Adjustable Maximum On-Time Limitation
  • Overcurrent Protection
  • ESD Protection on Each Pin

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PFC Mode

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Reference Price

MC33260DG

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

TUBE

98

N

CRM

Variable

Voltage Mode

Step-Up

Variable

16

500 / 500

8.5 - 11

Yes

Fixed

Yes

Price N/A

More Details

MC33260DR2G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

CRM

Variable

Voltage Mode

Step-Up

Variable

16

500 / 500

8.5 - 11

Yes

Fixed

Yes

Price N/A

More Details

MC33260PG

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Obsolete

CAD Model

Pb

A

H

P

PDIP-8

626-05

NA

0

TUBE

50

N

CRM

Variable

Voltage Mode

Step-Up

Variable

16

500 / 500

8.5 - 11

Yes

Fixed

Yes

Price N/A

More Details

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