LM4040 datasheet(3/6 Pages) ZETEX

3 / 6 page

LM4040 - 2.5

Issue 2 - February 2007

www.zetex.com

Electrical characteristics

Over recommended operating conditions, Tamb = 25°C, unless otherwise stated.

Symbol Parameter

Conditions

Typ.

LM4040C

limits

LM4040D

limits

Units

Tamb

VREF

Reverse breakdown

voltage

IR = 100 A25°C

2.5

Reverse breakdown

voltage tolerance

IR = 100 A

25°C

±12

±25

-40 to 85°C

±29

±49

-40 to 125°C

±38

±63

IRMIN

Minimum operating

current

25°C

-40 to 85°C

-40 to 125°C

VR/ T

Average reverse

breakdown voltage

temperature

coefficient

IR = 10mA

-40 to 125°C

±20

ppm/°C

IR = 1mA,

±15

±100

±150

IR = 100 A±15

VR/ IR

Reverse breakdown

change with current

IRMIN < IR <

1mA

25°C

0.3

0.8

1.0

-40 to 85°C

1.0

1.2

-40 to 125°C

1.0

1.2

1mA < IR <

15 mA

25°C

2.5

6.0

8.0

-40 to 85°C

8.0

10.0

-40 to 125°C

8.0

10.0

Dynamic output

impedance

IR = 1mA, f = 120Hz

IAC = 0.1IR

0.3

0.9

1.1

Noise voltage

IR = 100 A

10Hz < f < 10kHz

VRMS

Long term stability

(non cumulative)

t = 1000Hrs

IR = 100 A

25°C

120

ppm

VHYST Thermal hysteresis

T = -40°C to +125°C

0.08

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