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NCV4290

Voltage Regulator - Low-Dropout, Power Good 5.0 V, 450 mA

ON Semiconductor 

NCV4290

Voltage Regulator -

Low-Dropout, Power Good

5.0 V, 450 mA

The NCV4290 is an integrated low dropout regulator designed

for use in harsh automotive environments. It includes wide

operating temperature and input voltage ranges. The output is

regulated at 5.0 V and is rated to 450 mA of output current. It also

provides a number of features, including overcurrent protection,

overtemperature protection and a programmable microprocessor

power good signal. The NCV4290 is available in the DPAK and

D2PAK surface mount packages. The output is stable over a wide

output capacitance and ESR range.

Features

• 5.0 V, ±2% Output Voltage Options

• 450 mA Output Current

• Very Low Current Consumption

• Active Power Good Output

• Power Good Low Down to VQ = 1.0 V

• 500 mV (max) Dropout Voltage

• Fault Protection

♦ +45 V Peak Transient Voltage

♦ −42 V Reverse Voltage

♦ Short Circuit Protection

♦ Thermal Overload Protection

• AEC−Q100 Qualified

• These are Pb−Free Devices

Applications

• Auto Body Electronics

I

Q

Bandgap

Reference

Thermal

Shutdown

D

Error

Amplifier

+

−

Current Limit and

Saturation Sense

Power Good

Generator

1

5

http://onsemi.com

MARKING

DIAGRAMS

DPAK, 5−PIN

DT SUFFIX

CASE 175AA

V4290xG

ALYWW

1

1

5

D2PAK, 5−PIN

DS SUFFIX

CASE 936A

NC

V4290x

AWLYWWG

1

x

A

WL, L

Y

WW

G

= 5 (5.0 V Output)

= Assembly Location

= Wafer Lot

= Year

= Work Week

= Pb−Free Package

Pin

1. I

2. PG

Tab,

3. GND*

4. D

5. Q

* Tab is connected to

Pin 3 on all packages

ORDERING INFORMATION

See detailed ordering and shipping information in the

dimensions section on page 13 of this data sheet.

Figure 1. Block Diagram

© Semiconductor Components Industries, LLC, 2012

October, 2019− Rev. 0

GND

PG

1

Publication Order Number:

NCV4290D

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