6.7 LM4041xI (Adjustable Version) Electrical Characteristics

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

PARAMETER

TEST CONDITIONS

TA

LM4041DI

UNIT

MIN

TYP

MAX

VREF

Reference voltage

IZ = 100μA, VZ = 5V

25°C

1.233

V

Reference voltage tolerance(1)

IZ = 100μA, VZ = 5V

25°C

–12

12

mV

Full range

–24

24

IZ,min

Minimum cathode current

25°C

45

75

μA

Full range

80

ΔVREF/ΔIZ

Reference voltage change

with cathode current change

IZ,min < IZ < 1mA

25°C

0.7

2

mV

Full range

2.5

1mA < IZ < 12mA

25°C

2

6

Full range

8

ΔVREF/ΔVKA

Reference voltage change

with output voltage change

IZ = 1mA

25°C

–1.55

–2

mV/V

Full range

–3

IFB

Feedback current

25°C

60

150

nA

Full range

200

αVREF

Average temperature coefficient

of reference voltage(1)

IZ = 10mA, VZ = 5V

25°C

±20

ppm/°C

IZ = 1mA, VZ = 5V

25°C

±15

Full range

±150

IZ = 100μA, VZ = 5V

25°C

±15

ZZ

Reverse dynamic impedance

IZ = 1mA, f = 120Hz,

IAC = 0.1 IZ, VZ = VREF

25°C

0.3

Ω

IZ = 1mA, f = 120Hz,

IAC = 0.1 IZ, VZ = 10V

25°C

2

eN

Wideband noise

IZ = 100μA, VZ = VREF,

10Hz ≤ f ≤ 10kHz

25°C

20

μVRMS

Long-term stability

of reverse breakdown voltage

t = 1000 h,

TA = 25°C ± 0.1°C,

IZ = 100μA

25°C

120

ppm

(1)

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

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LM4041

SLCS146G – FEBRUARY 2005 – REVISED JULY 2024

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