Power Factor Controllers | NCP1602

功率因数控制器，提高了轻型负载能效

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概览

6 引脚 PFC 控制器 NCP1602 适用于驱动 PFC 升压级。它基于创新的谷同步频率折回 (VSFF) 方法。 在此模式下，当电感器电流超过编程值 Vctrl,FF 时，该电路通常以临界导通模式 (CrM) 运行。当 Vcontrol 低于此预设置级别 Vctrl,FF 时，NCP1602（版本 [B**] 和 [D**]）将对频率进行线性降至约 30 kHz，直到 Vcontrol 达到跳过模式阈值。VSFF 可在标称负载和轻型负载下最大程度提高能效。 尤其待机损耗降至最低。与 FCCrM 控制器中的内部电路类似，即使在开关频率降低时也能实现接近一致的功率因数。该电路采用 TSOP6 封装，具有坚固紧凑的 PFC 级所需的功能，且外部组件很少。

  • Offline power supply
  • Flat Panel TV
  • High Power Adapters
  • Critical Conduction mode with current controlled frequency foldback
  • Valley Synchronized Frequency Fold-back (VSFF)
  • Works with or without a transformer w/ ZCD winding
  • Dynamic Response Enhancer

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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

NCP1602ABASNT1G

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Obsolete

CAD Model

Pb

A

H

P

TSOP-6

318G-02

1

260

REEL

3000

N

CRM

Variable

Current Mode

Step-Up

Variable

30

500 / 800

-

Yes

Yes

No

Price N/A

More Details

NCP1602AEASNT1G

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

TSOP-6

318G-02

1

260

REEL

3000

N

CRM

Variable

Current Mode

Step-Up

Variable

30

500 / 800

-

Yes

Yes

No

Price N/A

More Details

NCP1602DCCSNT1G

Contact Sales

Last Shipments

CAD Model

Pb

A

H

P

TSOP-6

318G-02

1

260

REEL

3000

N

CRM

Variable

Current Mode

Step-Up

Variable

30

500 / 800

-

Yes

Yes

No

Price N/A

More Details

NCP1602DFCSNT1G

Contact Sales

Last Shipments

CAD Model

Pb

A

H

P

TSOP-6

318G-02

1

260

REEL

3000

N

CRM

Variable

Current Mode

Step-Up

Variable

30

500 / 800

-

Yes

Yes

No

Price N/A

More Details

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