Advanced Monolithic Systems, Inc.

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

AMS4040

ABSOLUTE MAXIMUM RATINGS (Note 1)

Reverse Current

100mA

Forward Current

10mA

TO-92 Package

0.78W

Storage temperature

-65

°C to +150°C

SO-8 Package

0.71W

Lead Temperature

SOT-89 Package

0.91W

TO-92 package (Soldering 10 sec.)

265

°C

SOT-23 Package

0.28W

SO-8 and SOT-23 packages:

Thermal Resistance (

θ

Vapor phase (60 sec)

215

°C

TO-92 Package

160

°C/W

Infrared (15 sec.)

220

°C

SO-8 Package

175

°C/W

SOT-89 package (Soldering 10 sec.)

265

°C

SOT-89 Package

110

°C/W

SOT-23 Package

410

°C/W

Note1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. For guaranteed specifications and test conditions, see the

Electrical Characteristics

ELECTRICAL CHARACTERISTICS

µA and T

Parameter

Conditions

AMS4040A

Min

Typ

Max

AMS4040B

Min

Typ

Max

AMS4040C

Min

Typ

Max

Units

Reverse Breakdown

Voltage

2.494

2.500

2.506

2.488

2.500

2.512

2.475

2.500

2.525

V

Deviation of Reverse

Breakdown Voltage over

Temperature

8.0

17

8.0

17

8.0

25

mV

Reverse Breakdown

Voltage Change with

≤ I

R

≤ 1mA

0.3

0.8

1.0

0.3

0.8

1.0

0.3

0.8

1.0

mV

Operating Current

Change

1mA

≤ I

R

≤ 15mA

2.5

6.0

8.0

2.5

6.0

8.0

2.5

6.0

8.0

mV

Reverse Breakdown

Voltage Long Term

Stability

T = 1000 Hr

120

120

120

ppm

Wide Band Noise

10HZ

≤ f ≤ 10kHz

35

35

35

µV

rms

Reverse Dynamic

Impedance

0.25

0.5

0.25

0.5

0.25

0.5

Ω

Minimum Operating

Current

80

2500

80

250

80

250

µA

TYPICAL APPLICATIONS

Shunt Regulator

AMS4040-2.5

I

Q

I

I

L

R

S

V

R

V

S