KIA431AC datasheet(3/7 Pages) KEC

3 / 7 page

2015. 4. 01

3/7

KIA431AC/BC Series

Revision No : 4

ELECTRICAL CHARACTERISTICS (Ta=25

℃)

CHARACTERISTICS

SYMBOL

TEST

CIRCUIT

TEST CONDITION

MIN.

TYP.

MAX.

UNIT

Reference Input

Voltage

KIA431A

Vref

Figure 1

VKA=Vref , IK=10mA

2.470

2.495

2.520

KIA431B

2.4825

2.495

2.5075

Reference Input Voltage

Deviation Over Temperature Range

ΔV

ref

Figure 1

(Note 1)

VKA=Vref , IK=10mA

7.0

Ratio of Change in Reference Input

Voltage to Change in Cathode to

Anode Voltage

ΔV

ref/

ΔV

Figure 2

IK=10mA

ΔV

KA=

10V

～V

ref

-1.4

-2.7

mV/V

ΔV

KA=

36V

～10V

-1.0

-2.0

Reference Input Current

Ta=25

℃

Iref

Figure 2

IK=10mA, R1=10kΩ, R2=∞

0.5

1.8

2.5

μA

Ta=Topr

6.5

Reference Input Current

Deviation Over Temperature Range

ΔI

ref

Figure 2

IK=10mA, R1=10kΩ, R2=∞

0.8

2.5

μA

Minimum Cathode Current For Regulation

Imin

Figure 1

VKA=Vref

300

600

μA

Off-State Cathode Current

Ioff

Figure 3

VKA=36V, Vref=0V

2.6

1000

Dynamic Impedance

Zka

Figure 1

(Note 2)

VKA=Vref, IK=1.0～100mA,

≦1.0kHz

0.22

Ω

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