Linear Regulators (LDO) | NCV47821

LDO Regulator, 200 mA, Low Dropout, High PSRR

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Overview

The NCV47821 dual channel LDO regulator with 200 mA per channel is designed for use in harsh automotive environments. The device has a high peak input voltage tolerance and reverse input voltage, reverse bias, overcurrent and overtemperature protections. The integrated current sense feature (adjustable by resistor connected to CSO pin for each channel) provides diagnosis and system protection functionality. The CSO pin output current creates voltage drop across CSO resistor which is proportional to output current of each channel. Extended diagnostic features in OFF state are also available and controlled by dedicated input and output pins.

  • Audio and Infotainment System
  • Active Safety System
  • Satellite Radio
  • Navigation
  • Instrument Cluster

  • Automotive

  • Two Independent Enable Inputs (3.3 V Logic Compatible)
  • Adjustable Current Limits: up to 300 mA
  • Diagnostic Features:Short to Battery and Open Load detection in OFF StateInternal Components for OFF State DiagnosticsOpen Collector Flag Output
  • Adjustable Outputs: 3.3 V to 20 V ±3% Output Voltage
  • Output Current per Channel: up to 200 mA
  • Protection: Current Limitation, Thermal Shutdown, Reverse Input Voltage

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NCV47821PAAJR2G

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Active

CAD Model

Pb

A

H

P

TSSOP-14 EP

948AW

1

260

REEL

2500

N

Dual

Positive

Adj

0.2

-42

40

0.25

0.6

75

137

Yes

No

Automotive

$1.0058

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Reliability Data

Die Related Summary Data

Device: NCV47821PAAJR2G

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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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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