AMS431L datasheet(2/7 Pages) ADMOS

2 / 7 page

Advanced Monolithic Systems, Inc.

www.advanced-monolithic.com

Phone (925) 443-0722

Fax (925) 443-0723

AMS431L

ABSOLUTE MAXIMUM RATINGS (Note 1)

Cathode Voltage (VZ)

20V

Internal Power Dissipation (PD)

Continuous Cathode Current (IZ)

100mA

TO-92 Package

0.78W

Reference Input Current (IREF)

3mA

SOT-89 Package

0.91W

Junction Temperature (TJ)

-40

°C to +125°C

SOT-23-3 Package

0.28W

SOT-23-5 Package

0.3 W

Storage temperature

-65

°C to +150°C

Thermal Resistance (

JA)

Lead Temperature (Soldering, 25sec.)

265

°C

TO-92 Package

160

°C/W

SOT-89 Package

110

°C/W

SOT-23-3 Package

410

°C/W

SOT-23-5 Package

410

°C/W

Note 1 : Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the

device is intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical

Characteristics

. The guaranteed specifications apply only for the test conditions listed.

ELECTRICAL CHARACTERISTICS

Electrical Characteristics at IZ =10 mA and TA = +25°C unless otherwise noted.

Parameter

Conditions

AMS431LA

Min

Typ

Max

AMS431LB

Min

Typ

Max

AMS431LC

Min

Typ

Max

Units

Reference Voltage

1.234

1.240

1.246

1.228

1.240

1.252

1.215

1.240

1.265

Deviation of Reference

Input Voltage over

Temperature

VZ = VREF (circuit 1)

TA = -40°C to +85°C

Ratio of Change in

Reference Voltage to

Cathode Voltage

IZ = 10mA

∆V = from V

REF

-0.5

-2.7

-0.5

-2.7

-0.5

-2.7

mV/V

Reference Input

Current

R1 =10k

Ω, R2 = ∞Ω

(test circuit 2)

0.15

0.5

0.15

0.5

0.15

0.5

µA

Reference Input

Current Deviation over

Temperature

R1 =10k

Ω, R2 = ∞Ω

TA = Full Range

(test circuit 2)

0.1

0.4

0.1

0.4

0.1

0.4

µA

Off State Cathode

Current

VZ = 6V, VREF = 0V

( test circuit 3)

0.04

0.1

0.04

0.1

0.04

0.1

µA

Dynamic Output

Impedance

f < 1KHz, VZ = VREF

IZ =100µA to 100mA

(test circuit 1)

0.25

0.4

0.25

0.4

0.25

0.4

Ω

Minimum Operating

Current

VZ = VREF

(test circuit 1)

µA

RECOMMENDED OPERATING CONDITIONS:

Min

Max

Cathode Voltage, (VZ)

VREF

20 V

Cathode Current, (IZ)

µA

100mA

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