Power Factor Controllers | NCP1651

单级功率因数校正控制器

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概览

NCP1651 是一款有源功率因数校正控制器，可基于通用输入范围 (85 VAC- 265 VAC)，在 50/60 Hz 电源系统中运行。它提供低成本、组件数量少的方案，用于具有中高输出电压要求的 AC-DC 转换器，简化了 50W - 250W 范围转换器对于 IEC1000-3-2 谐波要求的满足。NCP1651 为固定频率控制器， 驱动反激转换器拓扑结构以连续/非连续模式运行。它对平均输入电流进行编程，以遵循线路电压，从而提供统一的功率因数。NCP1651 使用平均电流模式控制 CCM 算法，有助于提供卓越的功率因数，同时限制了峰值主电流。其固定频率运行简化了输入滤波器设计。NCP1651 使用专属乘法器设计，比传统模拟乘法器的运行更准确。

  • High Current Battery Chargers
  • Front Ends for Distributed Power Systems
  • Fixed Frequency Operation
  • Average Current Mode PWM
  • Internal High Voltage Start-Up Circuit
  • Continuous or Discontinuous Mode Operation
  • High Accuracy Multiplier
  • Overtemperature Shutdown
  • External Shutdown
  • Undervoltage Lockout
  • Low Cost/Parts Count Solution
  • Ramp Compensation Does Not Affect Oscillator Accuracy

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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

NCP1651DR2G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-16

751B-05

1

260

REEL

2500

N

DCM

Fixed

Current Mode

Step-Up

25 - 250

18

1500 / 1500

9.8 - 10.8

No

Yes

Yes

Price N/A

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