Controllers | NCP1579

Synchronous Buck Controller, Low Voltage

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Overview

The NCP1579 is a low cost PWM controllers designed to operate from a 5V or 12V supply. These devices are capable of producing an output voltage as low as 0.8V. These 8 pin devices provide an optimal level of integration to reduce size and cost of the power supply. The NCP1579 provides a 1A gate driver design and an internally set 275kHz oscillator. Other efficiency enhancing features of the gate driver include adaptive non overlap circuitry. The NCP1579 also incorporates an externally compensated error amplifier and a capacitor programmable soft start function. Protection features include programmable short circuit protection and under voltage lockout.

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  • STB
  • Blue-Ray DVD
  • LCD TV

  • Input voltage range from 4.5 to 13.2V
  • Voltage Mode PWM Control
  • 0.8V +/- 2.0% Internal Reference Voltage
  • Adjustable Output voltage
  • Capacitor Programmable Soft-Start
  • Internal 1A Gate Driver
  • Programmable Current Limit

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NCP1579DR2G

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CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

Step-Down

1

-

4.5

13.2

275

Price N/A

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Reliability Data

Die Related Summary Data

Device: NCP1579DR2G

Equivalent to wafer fab process: ONC25

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MTBF/MTTF in Hours

FITS

ONC25

1

2712519294

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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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