Name: Compact Fixed Frequency Discontinuous or Critical Conduction Voltage Mode Power Factor Correction Controller
Brand: Compact Fixed Frequency Discontinuous or Critical Conduction Voltage Mode Power Factor Correction Controller
SKU: NCP1601

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Compact Fixed Frequency Discontinuous or Critical Conduction Voltage Mode Power Factor Correction Controller

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Overview

The NCP1601 is a controller designed for Power Factor Correction (PFC) boost circuits. The device operates in fixed-frequency Discontinuous Conduction Mode (DCM) and variable-frequency Critical Conduction Mode (CRM) and takes advantages from both operating modes. DCM limits the maximum switching frequency. It simplifies the front-ended EMI filter design. CRM limits the maximum currents of the boost stage diode, MOSFET and inductor. It reduces the costs and improves the reliability of the circuit. This device substantially exhibits unity power factor while operating in DCM and CRM. The NCP1601 minimizes the required number of external components. It incorporates high safety protection features that make the NCP1601 suitable for robust and compact PFC stages.

Applications

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

Features

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 V_CC Undervoltage Lockout Hysteresis Options: 4.75V for NCP1601A and 1.5V for NCP1601B
Pb-Free Packages are Available

Material Composition

Product Change Notification

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Product

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CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (掳C)

Container Type

Container Qty.

PFC Mode

Frequency Operation

Control Mode

Topology

f_SW Typ (kHz)

V_CC Max (V)

Drive Cap. (mA)

UVLO (V)

Latch

UVP

Inhibition

Reference Price

NCP1601BDR2G

Obsolete

SOIC-8

751-07

260

REEL

2500

DCM

Variable

Voltage Mode

Step-Up

Up to 400

500 / 800

9 - 10.5

Yes

Fixed

Price N/A

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Power Factor Controllers | NCP1601

Compact Fixed Frequency Discontinuous or Critical Conduction Voltage Mode Power Factor Correction Controller

Overview

Product List

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