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NCP431A

Programmable Precision References

ON Semiconductor 

NCP431A, SC431A, NCP431B, NCP432B Series

Cathode

(K)

Reference

(R)

Cathode

(K)

Reference

(R)

Anode

(A)

Figure 1. Symbol

2.5 Vref

Anode

(A)

Figure 2. Representative Block diagram

MAXIMUM RATINGS (Full operating ambient temperature range applies, unless otherwise noted)

Symbol

Rating

Value

Unit

VKA

Cathode to Anode Voltage

IK

Cathode Current Range, Continuous

Iref

Reference Input Current Range, Continuous

TJ

Operating Junction Temperature

TA

Operating Ambient Temperature Range

Tstg

Storage Temperature Range

PD

Total Power Dissipation @ TA = 25°C

Derate above 25°C Ambient Temperature

D, LP Suffix Plastic Package

SN1 Suffix Plastic Package

37

V

−100 to +150

mA

−0.05 to +10

mA

150

°C

−40 to +125

°C

−65 to +150

°C

W

0.70

0.52

PD

Total Power Dissipation @ TC = 25°C

Derate above 25°C Case Temperature

D, LP Suffix Plastic Package

1.5

W

HBM

MM

ESD Rating

>2000

V

>200

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect

device reliability.

RECOMMENDED OPERATING CONDITIONS

Symbol

Condition

VKA

Cathode to Anode Voltage

IK

Cathode Current

Min

Vref

0.04

Max

Unit

36

V

100

mA

THERMAL CHARACTERISTICS

Symbol

RQJA

RQJL

Characteristic

Thermal Resistance,

Junction−to−Ambient

Thermal Resistance,

Junction−to−Lead (Lead 3)

LP Suffix Package

(50 mm2 x 35 mm Cu)

176

D Suffix Package

(50 mm2 x 35 mm Cu)

210

SN Suffix Package

(10 mm2 x 35 mm Cu)

255

Unit

°C/W

75

68

80

°C/W

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