DC-DC LED Drivers | NCL30076

Wide Analog Dimming Quasi-Resonant Buck Controller

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The NCL30076 is a DC-DC buck controller for wide dimming rangedown to 1% by analog dimming control to relieve audible noise and flickerin PWM dimming. ON’s proprietary LED current calculation techniquedriven by zero input offset amplifiers performs precise constant current inthe whole analog dimming range. Multi-mode operation provides highefficiency with minimized switching loss by QR at heavy load and deepanalog dimming by DCM at light load.

  • LED Lighting

  • Smart LED Driver
  • LED lamp
  • LED tube
  • LED street light
  • LED ceiling light

  • Zero input offset Amplifiers at LED current calculator block and OTA
  • QR to DCM transition by dimming condition
  • PWM Dimming by PWM signal
  • Standby mode operation
  • Various Protections; Auto Restart (AR)
    - VDD Over Voltage Protection (OVP)
    - Short LED Protection (SLP)
    - Over Current Protection (OCP)
    - Thermal Shut Down (TSD)
  • QR Operation at full load

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NCL30076AADR2G

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CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

3000

Y

Step-Down

10.7

~NA~

< VIN

~NA~

500

$0.3087

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Die Related Summary Data

Device: NCL30076AADR2G

Equivalent to wafer fab process: ONC25

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等效器件小时

平均故障间隔时间/平均无故障时间（按小时计算）

FITS

ONC25

1

2712519294

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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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