LM4040 datasheet(4/6 Pages) ZETEX

4 / 6 page

LM4040 - 5.0

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

5.00

Reverse breakdown

voltage tolerance

IR = 100 A

25°C

±25

±50

-40 to 85°C

±58

±99

-40 to 125°C

±75

±125

IRMIN

Minimum operating

current

25°C

µA

-40 to 85°C

-40 to 125°C

VR/ T

Average reverse

breakdown voltage

temperature coefficient

IR = 10mA

-40 to 125°C

±30

ppm/°C

IR = 1mA,

±20

±100

±150

IR = 100 A±20

VR/ IR

Reverse breakdown

change with current

IRMIN < IR <

1mA

25°C

0.5

1.0

1.3

-40 to 85°C

1.4

1.8

-40 to 125°C

1.4

1.8

1mA < IR <

15mA

25°C

3.5

8.0

10.0

-40 to 85°C

12.0

15.0

-40 to 125°C

12.0

15.0

Dynamic output

impedance

IR = 1mA, f = 120Hz

IAC = 0.1IR

0.5

1.1

1.5

Noise voltage

IR = 100 A

10Hz < f < 10kHz

105

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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