AS431IAR-G1(2009) Просмотр технического описания (PDF) - BCD Semiconductor

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AS431IAR-G1
(Rev.:2009)

LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR

BCD Semiconductor 

Preliminary Datasheet

LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR AS431I

Electrical Characteristics

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

Parameter

Test

Circuit

Symbol

Conditions

Reference

Voltage

0.5%

1.0%

4

VREF VKA=VREF, IKA=10mA

Deviation of

0 to 70oC

Reference Voltage

Over Full

4

∆VREF

VKA=VREF

IKA= 10mA

-40 to 85oC

Temperature Range

-40 to 125oC

Ratio of Change in

∆VKA=

Reference

∆VREF

10V to VREF

Voltage to the

Change in

Cathode Voltage

5

∆VKA IKA=10mA ∆VKA=

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

∆IREF

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 Max

2.487 2.500 2.512

2.475

2.500

4.5

4.5

4.5

2.525

8

10

16

-1.0 -2.7

-0.5 -2.0

3.6 10

2

4

10

50

0.05 1.0

0.15 0.5

68

70

113

Unit

V

mV

mV/V

µA

µA

µA

µA

Ω

°C/W

Feb. 2009 Rev. 1. 1

BCD Semiconductor Manufacturing Limited

5

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