AZ431LBZ-E1 datasheet(5/17 Pages) BCDSEMI

Part #	AZ431LBZ-E1

Description	LOW VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR

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Manufacturer	BCDSEMI [BCD Semiconductor Manufacturing Limited]

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Data Sheet

5

Aug. 2011 Rev. 2. 4

BCD Semiconductor Manufacturing Limited

LOW VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR

AZ431L

Parameter

Test

Circuit

Symbol

Conditions

Min

Typ

Max

Unit

Reference Voltage

0.5%

4

VREF VKA=VREF, IKA=10mA

1.234

1.240

1.246

V

1.0%

1.228

1.240

1.252

Deviation of Reference Voltage

Over Full Temperature Range

4

∆VREF

VKA=VREF

IKA=10mA

0oC to 70oC

2

10

mV

-40oC to 85oC

310

-40oC to 125oC

415

Ratio of Change in VREF to the

Change in Cathode Voltage

5

∆VREF

∆VKA

IKA=10mA,

∆VKA:VREF to 16V

-0.5

-1.5

mV/V

Reference Input Current

5

IREF

IKA=10mA, R1=10KΩ, R2=∞

0.15

0.4

µA

Deviation of Reference Current

Over Full Temperature Range

5

∆IREF

IKA=10mA, R1=10KΩ, R2=∞

TA=-40 to 125oC

0.1

0.4

µA

Minimum Cathode Current for

Regulation

4

IKA

(Min)

VKA=VREF

55

80

µA

Off-state Cathode Current

6

IKA

(Off)

VREF=0, VKA=18V

0.04

0.10

µA

VKA=6, VREF=0

0.01

0.05

Dynamic Impedance

4

ZKA

VKA=VREF, IKA=1 to 100mA

f

≤ 1.0kHz

0.05

0.15

Ω

Thermal Resistance

θJC

SOT-23

84.84

oC/W

SOT-23-5

84.84

TO-92

140.80

SOT-89

88.00

(Operating Conditions: TA=25oC, unless otherwise noted.)

Electrical Characteristics

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