AMS431AM datasheet(2/7 Pages) ADMOS

2 / 7 page

Advanced Monolithic Systems, Inc.

6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140

AMS431

ABSOLUTE MAXIMUM RATINGS (Note 1)

Cathode Voltage (VZ)

37V

Internal Power Dissipation (PD)

Continuous Cathode Current (IZ)

-10mA to +150mA

TO-92 Package

0.78W

Reference Input Current (IREF)

10mA

SO-8 Package

0.71W

Junction Temperature (TJ)

-40

°C to +125°C

SOT-89 Package

0.91W

SOT-23 Package

0.28W

Storage temperature

-65

°C to +150°C

Thermal Resistance (

JA)

Lead Temperature (Soldering, 10sec.)

265

°C

TO-92 Package

160

°C/W

SO-8 Package

175

°C/W

SOT-89 Package

110

°C/W

SOT-23 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 specified.

Parameter

Conditions

AMS431A

Min

Typ

Max

AMS431B

Min

Typ

Max

AMS431C

Min

Typ

Max

Units

Reference Voltage

2.489

2.495

2.501

2.483

2.495

2.507

2.470

2.495

2.520

Deviation of Reference

Input Voltage over

Temperature

VZ = VREF (circuit 1)

TA = +25

°C to +85°C

TA = -40

°C to +25°C

8.0

Ratio of Change in

VZ from VREF to 10V

-0.5

-2.7

-0.5

-2.7

-0.5

-2.7

mV/V

Reference Voltage to

Cathode Voltage

VZ from VREF to 36V

-1.0

-2.0

-1.0

-2.0

-1.0

-2.0

mV/V

Reference Input Current

R1 =10k

Ω, R2 = ∞Ω

(test circuit 2)

0.5

4.0

0.5

4.0

0.5

4.0

µA

Reference Input Current

Deviation over

Temperature

R1 =10k

Ω, R2 = ∞Ω

TA = Full Range

(test circuit 2)

0.4

1.2

0.4

1.2

0.4

1.2

µA

Off State Cathode

Current

VZ = 36V, VREF = 0V

( test circuit 3)

0.04

0.5

0.04

0.5

0.04

0.5

µA

Dynamic Output

Impedance

f < 1KHz, VZ = VREF

IZ =100

µA to 100mA

(test circuit 1)

0.25

0.5

0.25

0.5

0.25

0.5

Ω

Minimum Operating

Current

VZ = VREF

(test circuit 1)

100

250

100

250

100

250

µA

RECOMMENDED OPERATING CONDITIONS:

Min

Max

Cathode Voltage, (VZ)

VREF

36 V

Cathode Current, (IZ)

0.25mA

120mA

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