Power Factor Controllers | MC33262

功率因数控制器 (PFC)

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概览

MC34262/MC33262 为有效功率因数校正控制器，特别适合用作电子镇流器和离线功率转换器应用中的预转换器。此类集成电路具有用于独立应用的内部启动计时器、接近一致功率因数的一象限乘法器、确保严格导通运行的零电流检测器、跨导误差放大器、用于增强启动性能的快速启动电路、微调内部禁带参比、电流感应比较器和图腾柱输出，适用于驱动功率 MOSFET。另外还包括一些保护功能，包括用于消除由于负载去除导致的失控输出电压的欠电压比较器、带迟滞的输入欠压锁定、按周期电流限制、限制最大峰值开关电流的乘法器输出箝位、用于单脉冲计量的 RS 锁存，以及用于 MOSFET 门极保护的驱动器输出高电平状态箝位。此类器件采用双列直插和表面贴装塑料封装。

  • Active Power Factor Control
  • Electronic Ballast
  • OffLine Power Converters
  • Overvoltage Comparator Eliminates Runaway Output Voltage
  • Internal Startup Timer
  • One Quadrant Multiplier
  • Zero Current Detector
  • Trimmed 2% Internal Bandgap Reference
  • Totem Pole Output with High State Clamp
  • Undervoltage Lockout with 6.0 V of Hysteresis
  • Low Startup and Operating Current
  • Supersedes Functionality of SG3561 and TDA4817 Simplified Block Diagram

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状态

CAD 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

Reference Price

MC33262DG

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

TUBE

98

N

CRM

Variable

Current Mode

Step-Up

Variable

30

500 / 500

8 - 13

Yes

No

Yes

Price N/A

More Details

MC33262DR2G

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Active, Not Rec

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

Y

CRM

Variable

Current Mode

Step-Up

Variable

30

500 / 500

8 - 13

Yes

No

Yes

$0.4868

More Details

MC33262PG

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Active, Not Rec

CAD Model

Pb

A

H

P

PDIP-8

626-05

NA

0

TUBE

50

Y

CRM

Variable

Current Mode

Step-Up

Variable

30

500 / 500

8 - 13

Yes

No

Yes

$0.6107

More Details

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