功率因数控制器 (PFC),高电压

Last Shipments

概览

MC33368 是一款有源功率因数校正控制器,用作离线电源应用中的升压预转换器。MC33368 适用于需要最小板面积、减少组件计数和低功耗的低功耗、高功率密度电源。窄体 SOIC 封装占位小。与高电压启动的集成与电阻自举电路相比,节省了大约 0.7 W 的功率。MC33368 具有监督计时器用于启动输出开关,单象限乘法器可强制线路电流跟随瞬变线路电压,零电流检测器确保临界导通运行,跨导误差放大器电路,电流感应比较器,5.0 V 参比,欠电压锁闭 (UVLO) 电路用于监督 VCC 电源电压,以及 CMOS 驱动器用于驱动 MOSFET。MC33368 还包括了可编程的输出开关频率箝位。保护功能包括输出过电压比较器用于最大程度减少超射,重启延迟计时器和按周期电流限制。

  • Active Power Factor Control

  • Off-Line Power Supplies

  • Lossless Off-Line Startup
  • Output Overvoltage Comparator
  • Leading Edge Blanking (LEB) for Noise Immunity
  • Watchdog Timer to Initiate Switching
  • Restart Delay Timer

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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

MC33368DG

Obsolete

CAD Model

Pb

A

H

P

SOIC-16

1

260

TUBE

48

N

CRM

Variable

Current Mode

Step-Up

Variable

16

1000 / 1000

8.5 - 13

Yes

No

Yes

Price N/A

More Details

MC33368DR2G

Last Shipments

CAD Model

Pb

A

H

P

SOIC-16

1

260

REEL

2500

N

CRM

Variable

Current Mode

Step-Up

Variable

16

1000 / 1000

8.5 - 13

Yes

No

Yes

Price N/A

More Details

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