Linear Regulators (LDO) | NCV4269A

LDO Regulator, 150 mA, 45 V, 190 µA IQ, with Delay, Adjustable Reset, and Sense Output

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Overview

The NCV4269A is a 5.0 V precision micropower voltage regulator with an output current capability of 150 mA.

The output voltage is accurate within ±2.0% with a maximum dropout voltage of 0.5 V at 100 mA. Low quiescent current is a feature drawing only 240 µA with a 1.0 mA load. This part is ideal for any and all battery operated microprocessor equipment.

Microprocessor control logic includes an active reset output RO with delay and a SI/SO monitor which can be used to provide an early warning signal to the microprocessor of a potential impending reset signal. The use of the SI/SO monitor allows the microprocessor to finish any signal processing before the reset shuts the microprocessor down.

The active Reset circuit operates correctly at an output voltage as low as 1.0 V. The Reset function is activated during the power up sequence or during normal operation if the output voltage drops outside the regulation limits.

The reset threshold voltage can be decreased by the connection of an external resistor divider to the RADJ lead. The regulator is protected against reverse battery, short circuit, and thermal overload conditions. The device can withstand load dump transients making it suitable for use in automotive environments. The device has also been optimized for EMC conditions.

  • Body and Chassis
  • Powertrain
  • Infotainment

  • Automotive

  • 5.0V and 3.3V +/- 2% Output with 150mA Output Current Capability
  • Active Reset Output Low Down to VQ=1.0V; Adjustable Reset Threshold
  • Fault Protection:
    -40V Reverse Voltage Protection
    Short Circuit Protection
    Thermal overload protection
  • Early Warning through SI/SO Leads, adjustable threshold via external resistor
  • Very Low Dropout Voltage
  • AEC Q100 Qualified
  • Integrated Pullup Resistor at Logic Outputs (To Use External Resistors, Select the NCV4279A)

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NCV4269AD133R2G

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1

260

REEL

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N

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Positive

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45

0.25

0.19

-

-

No

Yes

Automotive

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NCV4269AD150G

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Obsolete

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CAD Model

Pb

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NCV4269AD150R2G

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Active, Not Rec

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NCV4269AD250R2G

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Active, Not Rec

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Reliability Data

Die Related Summary Data

Device: NCV4269AD133R2G

Equivalent to wafer fab process: BP STD LINEAR

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

BP STD LINEAR

10

12120914040

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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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