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NCV4276

400 mA Low−Drop Voltage Regulator

ON Semiconductor 

NCV4276, NCV4276A

400 mA Low−Drop Voltage

Regulator

The NCV4276 is a 400 mA output current integrated low dropout

regulator family designed for use in harsh automotive environments.

It includes wide operating temperature and input voltage ranges. The

device is offered with fixed output voltage options of 1.8 V and 2.5 V

with 4% output voltage accuracy while the 3.3 V, 5.0 V, and

adjustable voltage versions are available either in 2% or 4% output

voltage accuracy. It has a high peak input voltage tolerance and

reverse input voltage protection. It also provides overcurrent

protection, overtemperature protection and inhibit for control of the

state of the output voltage. The NCV4276 family is available in

DPAK and D2PAK surface mount packages. The output is stable over

a wide output capacitance and ESR range.

Features

• 2.5 V and 1.8 V ±4% Output Voltage

• 3.3 V, 5.0 V, and Adjustable Voltage Version (from 2.5 V to 20 V)

±4% or ±2% Output Voltage

• 400 mA Output Current

• 500 mV (max) Dropout Voltage (5.0 V Output)

• Inhibit Input

• Very Low Current Consumption

• Fault Protection

♦ +45 V Peak Transient Voltage

♦ −42 V Reverse Voltage

♦ Short Circuit

♦ Thermal Overload

• NCV Prefix for Automotive and Other Applications Requiring Site

and Control Changes

• Pb−Free Packages are Available

http://onsemi.com

1

5

DPAK

5−PIN

DT SUFFIX

CASE 175AA

1

5

D2PAK

5−PIN

DS SUFFIX

CASE 936A

DEVICE MARKING INFORMATION

See general marking information in the device marking

section on page 20 of this data sheet.

ORDERING INFORMATION

See detailed ordering and shipping information in the ordering

information section on page 21 of this data sheet.

© Semiconductor Components Industries, LLC, 2006

1

October, 2006 − Rev. 18

Publication Order Number:

NCV4276/D

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