LX1431 datasheet(3/7 Pages) MICROSEMI

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P ROGRAMMABLE R EFERENCE

LX1431

PRODUCT DA T ABOOK 1996/1997

Rev. 1.2

4/97

P RODUCTION D AT A S HEET

ELECTRICAL CHARACTERISTICS

(Unless otherwise specified, these specifications apply over the operating ambient temperatures for LX1431C with 0°C

≤ T

A ≤ 70°C, LX1431I with -40°C ≤ TA ≤ 85°C.)

Parameter

Symbol

Test Conditions

LX1431C

Units

Min. Typ. Max. Min. Typ. Max.

LX1431I

Reference Voltage

REF

KA = 5V, IK = 2mA, TA = 25°C

KA = 5V, IK = 2mA

Reference Drift

∆V

REF/∆TVKA = 5V, IK = 2mA

Voltage Ratio, Reference to Cathode

∆V

REF

K = 2mA, VKA = 3V to 36V

(Open Loop Gain)

∆V

Reference Input Current

REF]

KA = 5V, TA = 25°C

KA = 5V

Minimum Operating Current

MIN

KA = VREF to 36V, TA = 25°C

Off-State Cathode Current

OFF]

KA = 36V, VREF = 0V, TA = 25°C

KA = 36V, VREF = 0V

Off-State Collector Leakage Current

LEAK]

COLL = 36V, V

+ = 5V, V

REF = 2.4V, TA = 25°C

COLL = 36V, V

+ = 5V, V

REF = 2.4V

Dynamic Impedance

KA ]VKA = VREF, IK = 1mA to 100mA, f ≤ 1kHz, TA = 25°C

Collector Current Limit

LIM

KA = VREF + 50mV

5V Reference Output

Internal Divider Used, I

K = 2mA, TA = +25°C

2490 2500 2510 2490 2500 2510

2465

2535 2480

2520

ppm/°C

0.2

1.0

0.2

1.0

mV/V

0.2

µA

1.5

1.2

µA

0.6

µA

0.1

Ω

360

100

360

4950 5000 5050 4950 5000 5050

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