A431A datasheet(2/6 Pages) AUK

2 / 6 page

KSD-I0A003-000

A431x

Absolute maximum ratings

[Ta=25℃]

Characteristic

Symbol

Rating

Unit

Cathode to Anode voltage

VKA

Cathode current

150

Reference input current

Iref

Power Dissipation

625

Junction Temperature

150

℃

Operating temperature range

Topr

-40 ~ +85

℃

Storage temperature range

Tstg

-55 ~ +150

℃

Recommended operating conditions

Rating

Characteristic

Symbol

Min.

Max.

Unit

Cathode to Anode voltage

VKA

Vref

Cathode current

100

Electrical Characteristics (Ta=25 , unless otherwise noted.)

℃

Characteristic

Symbol

Condition

Min. Typ. Max. Unit

A431B

2.482

2.508

Reference voltage (Fig.1)

Vref

VKA=Vref, IK=10mA

A431A

2.470

2.495

2.520

Reference input voltage

deviation over temperature

(Fig.1, Note1,2)

∆Vref

VKA=Vref , IK=10mA

@ 0˚C ≤ Ta ≤ 70˚C

∆Vref

△

Vref=Vref(16V) -Vref

Ratio of delta reference input

voltage to delta cathode

voltage (Fig.2)

∆VKA

IK=10mA

Vref ≤ VKA ≤ 16V △V

KA=VKA(16V)-Vref

-1.0

-2.7

mV/V

Reference current (Fig.2)

Iref

IK=10mA

R1=10K

Ω, R2=∞

1.8

4.0

µΑ

Reference input current

deviation over temperature

(Fig.2, Note 1,2)

∆Iref

IK=10mA

R1=10K

Ω, R2=∞

@ 0˚C ≤ Ta ≤ 70˚C

0.4

2.5

µΑ

Minimum cathode current

for regulation

IK(MIN)

VKA=Vref

0.35

1.0

mΑ

Off-state cathode current

(Fig.3)

IK(off)

VKA=16V, Vref=0V

2.7

1000

Dynamic impedance

(Fig.1, Note3)

ZKA

VKA=Vref, f ≤ 1.0KHz

1.0mA ≤ IK ≤ 100mA

0.15

0.5

Ω

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