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AS431IBNTR-G1

LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR

BCD Semiconductor 

Data Sheet

LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR

AS431I

Electrical Characteristics

Operating Conditions: TA=25℃, unless otherwise specified.

Parameter

Reference

Voltage

0.5%

1.0%

Test

Circuit

4

Symbol

Conditions

VREF VKA=VREF, IKA=10mA

Deviation of

0 to 70oC

Reference Voltage

Over Full

4

ΔVREF

VKA=VREF

IKA= 10mA

-40 to 85oC

Temperature Range

-40 to 125oC

Ratio of Change in

ΔVKA=

Reference

ΔVREF

10V to VREF

Voltage to the

Change in

Cathode Voltage

5

ΔVKA IKA=10mA ΔVKA=

36V to 10V

Reference Current

5

IREF

IKA=10mA,R1=10kΩ,

R2=∞

Deviation of

Reference Current

Over Full

5

Temperature Range

Minimum Cathode

Current for

4

Regulation

Off-state Cathode

Current

6

Dynamic Impedance 4

ΔIREF

IKA=10mA, R1=10kΩ,

R2=∞, TA=-40 to 125 oC

IKA

(Min)

IKA

(Off)

ZKA

VKA=VREF

VKA=36V, VREF=0

VKA=VREF,

IKA=1 to 100mA, f≤1.0kHz

TO-92

Thermal Resistance

θJC SOT-89

SOT-23

Min Typ

2.487 2.500

2.475 2.500

4.5

4.5

4.5

-1.0

-0.5

0.035

0.03

10

0.05

0.15

68

29

113

Max

2.512

2.525

8

10

16

-2.7

-2.0

0.5

0.3

50

1.0

0.5

Unit

V

mV

mV/V

μA

μA

μA

μA

Ω

°C/W

Dec. 2012 Rev. 1. 8

BCD Semiconductor Manufacturing Limited

6

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