Power Factor Controllers | MC33260

紧凑型功率因数校正控制器

Obsolete

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概览

MC33260 是一款用于功率因数校正预转换器的控制器，可满足电子镇流器和离线功率转换应用中的国际标准要求。其设计用于驱动自由频率续流模式，也可对其进行同步，并且在任何情况下都具有非常有效的保护功能，可确保安全可靠运行。该电路还经过优化，可提供非常紧凑且经济高效的 PFC 方案。MC33260 虽然需要最少的外部部件数量，但可以控制跟踪增压运行，该创新模式可大大减小电感器和电源开关的尺寸。最终可大大降低方案系统的成本。此外，由于它能够以传统方式运行（恒定的输出电压调节电平），任何中间方案都可以轻松实施。这一灵活性使其非常适合用于应对各种应用。

  • 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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CAD Models

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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

Reference Price

MC33260DG

Contact Sales

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

Contact Sales

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

Contact Sales

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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