AMC431LP datasheet(3/11 Pages) ETC2

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AMC DOC. #: AMC431_C

AMC431

November

2002

PRECISION ADJUSTABLE SHUNT

VOLTAGE REGULATORS

 2002, ADD Microtech Corp.

www.addmtek.com

RECOMMENDED OPERATING CONDITIONS

Min

Max

Units

Operating free air temperature range, TA

°C

Cathode current, IK

100

Cathode voltage, VKA

ELECTRICAL CHARACTERISTICS

Unless otherwise specified, these specifications apply over the operating ambient temperatures with T

A = 25

°C.

AMC431

Parameter

Symbol

Test Conditions

Min

Typ Max

Units

Reference Input Voltage

REF

IK = 10mA, V

KA = VREF, note 1

2.475 2.500 2.525

Reference Input Voltage

REF

IK = 10mA, V

KA = VREF, note 2

2.462 2.500 2.538

Reference Input Voltage

REF

IK = 10mA, V

KA = VREF, note 3

2.487 2.500 2.513

Reference Drift

IK = 10mA, V

KA = VREF, 0°C

≤ T

≤ 70°C

Voltage Ratio, Ref to Cathode

(note 4)

IK = 10mA, V

KA = 2.5V to 36V

-1.4

-2.7 mV/V

IK = 10mA,V

KA = VREF

2.3

Reference Input Current

REF

IK = 10mA,V

KA = VREF, 0°C

≤ T

≤ 70°C

µA

Minimum Operating Current

IMIN

KA = VREF

0.4

Off-State Cathode Current

IOFF

KA = 36V, VREF = 0V

0.1

µA

Dynamic Impedance

KA |

KA = VREF, I

K = 1mA to 100mA,

≤ 1kHz

0.2

0.5

Ω

Note 1:

For AMC431 only. The output accuracy is 1.0%.

Note 2:

For AMC431C only. The output accuracy is 1.5%.

Note 3:

For AMC431B only. The output accuracy is 0.5%.

VREF

Note 4:

VKA

Ratio of change in reference input voltage to the change in cathode voltage

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