AMS3431AM 查看數據表（PDF） - Advanced Monolithic Systems Inc

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AMS3431AM

PRECISION ADJUSTABLE SHUNT REGULATOR

Advanced Monolithic Systems Inc 

AMS3431

ABSOLUTE MAXIMUM RATINGS (Note 1)

Cathode Voltage (VZ)

Continuous Cathode Current (IZ)

Reference Input Current (IREF)

Junction Temperature (TJ)

37V

-10mA to +150mA

10mA

-40°C to +125°C

Storage Temperature

-65°C to +150°C

Lead Temperature (Soldering, 25sec.)

265°C

Internal Power Dissipation (PD)

TO-92 Package

SOT-23 Package

Thermal Resistance (ϕJA)

TO-92 Package

SOT-23 Package

0.78W

0.28W

160°C/W

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

AMS3431A

AMS3431B

Min Typ Max Min Typ Max

Reference Voltage

2.489

2.495

2.501

2.483

2.495

2.507

Deviation of Reference

Input Voltage over

Temperature

Ratio of Change in

Reference Voltage to

Cathode Voltage

Reference Input

Current

Reference Input

Current Deviation over

Temperature

Off State Cathode

Current

Dynamic Output

Impedance

Minimum Operating

Current

VZ = VREF (circuit 1)

TA = +25°C to +85°C

TA = -40°C to +25°C

VZ from VREF to 10V

VZ from VREF to 36V

R1 =10kΩ, R2 = ∞Ω

(test circuit 2)

R1 =10kΩ, R2 = ∞Ω

TA = Full Range

(test circuit 2)

VZ = 36V, VREF =

0V

( test circuit 3)

f < 1KHz, VZ = VREF

IZ =100µA to 100mA

(test circuit 1)

VZ = VREF

(test circuit 1)

8.0

15

8.0

15

-0.5

-2.7

-1.0

-2.0

0.5

4.0

0.4

1.2

0.04

0.5

0.25

0.5

100

250

8.0

15

8.0

15

-0.5

-2.7

-1.0

-2.0

0.5

4.0

0.4

1.2

0.04

0.5

0.25

0.5

100

250

AMS3431C

Min Typ Max Units

2.470 2.495 2.520

V

8.0

15

mV

8.0

15

mV

-0.5

-2.7 mV/V

-1.0

-2.0 mV/V

0.5

4.0

µA

0.4

1.2

µA

0.04

0.5

µA

0.25

0.5

Ω

100

250

µA

RECOMMENDED OPERATING CONDITIONS:

Cathode Voltage, (VZ)

Cathode Current, (IZ)

Min

VREF

0.25mA

Max

36 V

120mA

Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723

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