DC-DC LED Drivers | NCL35076

Wide Analog Dimming CCM Buck Controller

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The NCL35076 is a DC-DC buck controller for wide dimming range downto 1% by analog dimming control to relieve audible noise and flicker inPWM 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 low LEDcurrent ripple with small output capacitor by CCM 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
  • CCM 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)
  • CCM operation at full load

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NCL35076AADR2G

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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

$0.3397

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可靠性数据

Die Related Summary Data

Device: NCL35076AADR2G

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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