NCP431AVLPRAG datasheet(1/17 Pages) ONSEMI

Part #	NCP431AVLPRAG

Description	Programmable Precision References

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Manufacturer	ONSEMI [ON Semiconductor]

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June, 2016 − Rev. 14

1

Publication Order Number:

NCP431/D

NCP431A, SC431A,

NCP431B, SC431B,

NCP432B, SC432B Series

Programmable Precision

References

The NCP431/NCP432 integrated circuits are three−terminal

programmable shunt regulator diodes. These monolithic IC voltage

references operate as a low temperature coefficient zener which is

programmable from Vref to 36 V using two external resistors. These

devices exhibit a wide operating current range of 40

mA to 100 mA

with a typical dynamic impedance of 0.22

W. The characteristics of

these references make them excellent replacements for zener diodes in

many applications such as digital voltmeters, power supplies, and op

amp circuitry. The 2.5 V reference makes it convenient to obtain a

stable reference from 5.0 V logic supplies, and since the NCP431/

NCP432 operates as a shunt regulator, it can be used as either a

positive or negative voltage reference

. Low minimum operating

current makes this device an ideal choice for secondary regulators in

SMPS adapters with extremely low no−load consumption.

Features

• Programmable Output Voltage to 36 V

• Low Minimum Operating Current: 40 mA, Typ @ 25°C

• Voltage Reference Tolerance: ±0.5%, Typ @ 25°C

(NCP431B/NCP432B)

• Low Dynamic Output Impedance, 0.22 W Typical

• Sink Current Capability of 40 mA to 100 mA

• Equivalent Full−Range Temperature Coefficient of 50 ppm/°C

Typical

• Temperature Compensated for Operation over Full Rated Operating

Temperature Range

• SC Prefix for Automotive and Other Applications Requiring Unique

Site and Control Change Requirements; AEC−Q100 Qualified and

PPAP Capable

• These are Pb−Free Devices

Typical Applications

• Voltage Adapters

• Switching Power Supply

• Precision Voltage Reference

• Charger

• Instrumentation

SOIC−8 NB

D SUFFIX

CASE 751

www.onsemi.com

See detailed ordering and shipping information in the package

dimensions section on page 14 of this data sheet.

ORDERING AND MARKING INFORMATION

1

8

TO−92

LP SUFFIX

CASE 29−11

1 2

3

SOT−23−3

SN SUFFIX

CASE 318

1

2

3

Pin 1. Reference

2. Anode

3. Cathode

NCP431/SC431

Pin 1. Reference

2. Cathode

3. Anode

Reference

Anode

NC

Cathode

Anode

NC

1

(Top View)

NCP432/SC432

Pin 1. Cathode

2. Reference

3. Anode

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