Power Factor Controllers | NCP1608

Critical Conduction Mode (CrM) Power Factor Controller

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Overview

The NCP1608 is an active power factor correction (PFC) controller specifically designed for use as a pre-converter in ac-dc adapters, electronic ballasts, and other medium power off-line converters (typically up to 350 W). It uses Critical Conduction Mode (CrM) to ensure near unity power factor across a wide range of input voltages and output power. The NCP1608 minimizes the number of external components by integrating safety features, making it an excellent choice for designing robust PFC stages.

  • Any Power Factor Correction Stage Less Than 350 W

  • Solid State Lighting
  • Electronic Light Ballast
  • AC Adapters
  • TVs and Monitors
  • All Off-Line Appliances Requiring Power Factor Correction
  • TVs and Monitors

  • No Input Voltage Sensing Requirement
  • High Precision Voltage Reference (±1.6% Over the Temperature Range)
  • Wide Control Range for High Power Application (>150 W) Noise Immunity
  • Integrated Undervoltage and Overvoltage Protection
  • Pin-to-Pin Compatible with Industry Standards
  • Accurate and Programmable On Time Limitation
  • Transconductance Error Amplifier
  • Very Low Startup Current Consumption (< 35 µA)
  • Low Typical Operating Current Consumption (2.1 mA)
  • Source 500 mA / Sink 800 mA Totem Pole Gate Driver
  • Undervoltage Lockout with Hysteresis
  • Overcurrent Protection
  • This is a Pb-Free and Halide-Free Device

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PFC Mode

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NCP1608BDR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

Y

CRM

Variable

Voltage Mode

Step-Up

Variable

20

500 / 800

9.5 - 12

No

Yes

No

$0.2174

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Reliability Data

Die Related Summary Data

Device: NCP1608BDR2G

Equivalent to wafer fab process: VHVIC

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

VHVIC

2

2577173853

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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