Linear Regulators (LDO) | NCV47721

LDO Regulator, 200 mA, Low Dropout, High PSRR

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Overview

The NCV47721 LDO regulator with 200 mA output current 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) provides diagnosis and system protection functionality. The CSO pin output current creates voltage drop across CSO resistor which is proportional to output current. 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

  • Independent Enable Input (3.3 V Logic Compatible)
  • Adjustable Current Limit up to 300 mA
  • Diagnostic Features: Short to Battery and Open Load detection in OFF State Internal Components for OFF State Diagnostics Open Collector Flag Output
  • Output Current per Channel: up to 200 mA
  • Protection: Current Limitation, Thermal Shutdown, Reverse Input Voltage

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VO (V)

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NCV47721PAAJR2G

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Active

CAD Model

Pb

A

H

P

TSSOP-14 EP

948AW

1

260

REEL

2500

Y

Single

Positive

Adj

0.2

-42

40

0.25

0.34

80

168

Yes

No

Automotive

$0.7585

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Reliability Data

Die Related Summary Data

Device: NCV47721PAAJR2G

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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