2023.10.30

3/7

KIA431 Series

Revision No : 26

ELECTRICAL CHARACTERISTICS (Ta=25 )

MAXIMUM RATINGS (Ta=25 )

(Full operating ambient temperature range applies unless otherwise noted.)

CHARACTERISTICS

SYMBOL

TEST

CIRCUIT

TEST CONDITION

MIN.

TYP. MAX. UNIT

Reference Input

Voltage

Vref

Figure 1

VKA=Vref , IK=10mA

V

0

2

5

.

2

5

9

4

.

2

0

7

4

.

2

A

1

3

4

A

I

K

V

5

7

0

5

.

2

5

9

4

.

2

5

2

8

4

.

2

B

1

3

4

A

I

K

Reference Input Voltage

Deviation Over Temperature Range

Vref

Figure 1

(Note 1)

VKA=Vref , IK=10mA

-

7.0

30*

mV

-

7.0

40

Ratio of Change in Reference Input

Voltage to Change in Cathode to

Anode Voltage

Vref/

VKA

Figure 2

IK=10mA

VKA=

10V Vref

-

-1.4

-2.7

mV/V

VKA=

36V 10V

-

-1.0

-2.0

Reference Input Current

Ta=25

Iref

Figure 2

IK=10mA, R1=10k , R2=

-

1.8

4.0

A

Ta=Topr

-

-

6.5

Reference Input Current

Deviation Over Temperature Range

Iref

Figure 2

IK=10mA, R1=10k , R2=

-

0.8

2.5

A

Minimum Cathode Current For Regulation

Imin

Figure 1

VKA=Vref

-

0.5

1.0

mA

Off-State Cathode Current

Ioff

Figure 3

VKA=36V, Vref=0V

-

2.6

1000

nA

Dynamic Impedance

Zka

Figure 1

(Note 2)

VKA=Vref, IK=1.0 100mA,

f 1.0kHz

-

0.22

-

Note1) Package mounted on 99.5% Alumina 10 8 0.6mm

CHARACTERISTIC

SYMBOL

RATING

UNIT

Cathode To Anode Voltage

VKA

37

V

Cathode Current Range, Continuous

IK

-100 150

mA

Reference Input Current Range, Continuous

Iref

-0.05 10

mA

Operating Junction Temperature

Tj

150

Operating Temperature

Topr

-40 125

Storage Temperature

Tstg

-65 150

Total Power Dissipation

KIA431x

PD

700

mW

0

0

8

31xF

4

A

I

K

0

5

3

)

1

e

t

o

N

(

31xM

4

A

I

K

Thermal Resistance

KIA431x

Rth(j-a)

179

W

6

5

1

xF

1

3

4

A

I

K

7

5

3

)

1

e

t

o

N

(

xM

1

3

4

A

I

K

* : Selection Code (PS)