LX432ISC datasheet(3/8 Pages) MICROSEMI

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LOW VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS

LX432

PRODUCT DA T ABOOK 1996/1997

Rev. 1.0

9/99

P RODUCTION D ATA S HEET

ELECTRICAL CHARACTERISTICS

(Unless otherwise specified, these specifications apply over the operating ambient temperatures for LX432C with 0°C

≤ T

A ≤ 70°C, and the LX432I

with -40°C

≤ T

A ≤ 85°C.)

Parameter

Symbol

Test Conditions

LX432

Units

Min.

Typ.

Max.

1.228

1.24

1.252

312

420

-1

-2.7

mV/V

0.1

0.5

µA

0.05

0.3

µA

0.1

0.4

µA

0.2

0.4

Ω

0.004

µA

Reference Voltage

REF

K = 10mA, VKA = VREF, TA = 25°C

Reference Voltage Drift (Note 2)

∆V

REF

K = 10mA, VKA = VREF, 0°C ≤ TA ≤ 70°C

K = 10mA, VKA = VREF, -40°C ≤ TA ≤ 85°C

Ratio Of V

REF Change In Cathode

∆V

REF

K = 10mA, VKA = VREF to 16V, TA = 25°C

Voltage Change (Note 3)

∆V

Reference Terminal Current

REF

K = 10mA, VKA = VREF, TA = 25°C, R1=10kΩ, R2 = Open

Reference Current Drift (Note 2)

∆I

REF

K = 10mA, VKA = VREF, 0°C ≤ TA ≤ 70°C

K = 10mA, VKA = VREF, -40°C ≤ TA ≤ 85°C

Minimum Cathode Current For Regulation

K (MIN)

KA = VREF, TA = 25°C

Dynamic Impedance

K = 0.1mA to 15mA, VKA = VREF, TA = 25°C

Off-state Cathode Current

OFF

KA = 16V, TA = 25°C

Note 2. These parameters are guaranteed by design.

Note 3.

Ratio of change in reference input voltage

to the change in cathode voltage.

∆V

REF

∆V

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