AS431 データシートの表示（PDF） - Diodes Incorporated.

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AS431

ADJUSTABLE PRECISION SHUNT REGULATORS

Diodes Incorporated. 

AS431

Electrical Characteristics (Operating Conditions: TA = +25°C, unless otherwise specified.)

Symbol

VREF

Parameter

Reference Voltage

0.5%

1.0%

∆VREF

Deviation of Reference Voltage

Over Full Temperature Range

∆VREF

∆VKA

IREF

∆IREF

IKA

(Min)

IKA

(Off)

ZKA

Ratio of Change in Reference

Voltage to the Change in Cathode

Voltage

Reference Current

Deviation of Reference Current

Over Full Temperature Range

Minimum Cathode Current for

Regulation

Off-state Cathode Current

Dynamic Impedance

θJC

Thermal Resistance

Test

Circuit

Conditions

4

VKA = VREF, IKA = 10mA

0 to +70°C

4

VKA = VREF,

-40 to +85°C

IKA = 10mA

-40 to +125°C

∆VKA = 10V to VREF

5

IKA = 10mA

∆VKA = 36V to 10V

5

IKA = 10mA, R1 = 10kΩ, R2 = ∞

5

IKA = 10mA, R1 = 10kΩ, R2 = ∞,

TA = -40 to +125°C

4

VKA = VREF

6

VKA = 36V, VREF = 0

4

VKA = VREF, IKA = 1 to 100mA,

f ≤ 1.0kHz

SOT23

SOT25

—

TO92 (Ammo Packing)

SOT89

Min Typ Max Unit

2.487

2.475

—

—

—

—

—

—

—

2.500

2.500

4.5

4.5

4.5

-1.0

-0.5

0.7

0.4

2.512

2.525

8

10

16

-2.7

-2.0

4

1.2

V

mV

mV/V

µA

µA

—

0.4

1.0

mA

—

0.05

1.0

µA

—

0.15

0.5

Ω

—

135.9

—

—

135.9

—

°C/W

—

81.9

—

—

29.8

—

AS431

Document number: DS36599 Rev. 4 - 2

5 of 20

www.diodes.com

May 2018

© Diodes Incorporated

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