Power Factor Controllers | NCP1601

紧凑型固定频率非连续或临界导通电压模式功率因数校正控制器

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概览

NCP1601 是一款用于功率因数校正 (PFC) 升压电路的控制器。该器件以固定频率非连续导通模式 (DCM) 和变频临界导通模式 (CRM) 运行，并且利用了两种运行模式的优点。DCM 会限制最大开关频率。它简化了前端 EMI 滤波器设计。CRM 限制了升压级二极管、MOSFET 和电感器的最大电流。它降低了电路的成本，提高了可靠性。此器件在 DCM 和 CRM 模式下运行时，基本上表现为一致功率因数。NCP1601 最大程度减少了所需外部组件的数量。NCP1601 组合了多种高安全性保护特性，因此适用于耐用和紧凑的 PFC 级。

  • Electronic Light Ballast
  • AC Adapters
  • Mid-Power Applications
  • TV & Monitors

  • Near-Unity Power Factor in DCM in CRM
  • Voltage-Mode Operation
  • Low Startup and Shutdown Current Consumption
  • Programmable Switching Frequency for DCM
  • Synchronization Capability
  • Overvoltage Protection (107% of Nominal Output Level)
  • Undervoltage Protection or Shutdown (8% of Nominal Output Level)
  • Programmable Overcurrent Protection
  • Thermal Shutdown with Hysteresis (95/140 °C)
  • Two VCC Undervoltage Lockout Hysteresis Options: 4.75V for NCP1601A and 1.5V for NCP1601B
  • Pb-Free Packages are Available

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NCP1601BDR2G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

CRM

DCM

Fixed

Variable

Voltage Mode

Step-Up

Up to 400

18

500 / 800

9 - 10.5

Yes

Fixed

-

Price N/A

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