5.7 LM4041xI (Adjustable Version) Electrical Characteristics

full-range TA = –40°C to 85°C (unless otherwise noted)

PARAMETER

TEST CONDITIONS

TA

LM4041BI

LM4041CI

UNIT

MIN

TYP

MAX

MIN

TYP

MAX

VREF

Reference voltage

IZ = 100μA, VZ = 5V

25°C

1.233

1.233

V

Reference voltage

tolerance(1)

IZ = 100μA, VZ = 5V

25°C

–2.5

2.5

–6.2

6.2

mV

Full range

–10.5

10.5

–14

14

IZ,min

Minimum cathode

current

25°C

45

75

45

75

μA

Full range

80

80

ΔVREF/ΔIZ

Reference voltage

change with cathode

current change

IZ,min < IZ < 1mA

25°C

0.7

1.5

0.7

1.5

mV

Full range

2

2

1mA < IZ < 12mA

25°C

2

4

2

4

Full range

6

6

ΔVREF/ΔVKA

Reference voltage

change with output

voltage change

IZ = 1mA

25°C

–1.55

–2

–1.55

–2

mV/V

Full range

–2.5

–2.5

IFB

Feedback current

25°C

60

100

60

100

nA

Full range

120

120

αVREF

Average temperature

coefficient of

reference voltage(1)

IZ = 10mA, VZ = 5V

25°C

±20

±20

ppm/°C

IZ = 1mA, VZ = 5V

25°C

±15

±15

Full range

±100

±100

IZ = 100μA, VZ = 5V

25°C

±15

±15

ZZ

Reverse dynamic

impedance

IZ = 1mA, f = 120Hz,

IAC = 0.1 IZ, VZ = VREF

25°C

0.3

0.3

Ω

IZ = 1mA, f = 120Hz,

IAC = 0.1 IZ, VZ = 10V

25°C

2

2

eN

Wideband noise

IZ = 100μA, VZ = VREF,

10Hz ≤ f ≤ 10kHz

25°C

20

20

μVRMS

Long-term stability of

reverse breakdown

voltage

t = 1000 h,

TA = 25°C ± 0.1°C,

IZ = 100μA

25°C

120

120

ppm

(1)

Reference voltage tolerance and average temperature coefficient change with output voltage (VZ). See Typical Characteristics.

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LM4041

SLCS146H – FEBRUARY 2005 – REVISED MARCH 2025

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