
LM4040x30I Electrical Characteristics
DVZ
DIZ
LM4040
www.ti.com .................................................................................................................................................. SLOS456K – JANUARY 2005 – REVISED MARCH 2008
at industrial temperature range, full-range TA = –40°C to 85°C (unless otherwise noted)
LM4040C30I
LM4040D30I
PARAMETER
TEST CONDITIONS
TA
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
VZ
Reverse breakdown voltage
IZ = 100 μA
25°C
3
V
25°C
–15
15
–30
30
Reverse breakdown voltage
ΔVZ
IZ = 100 μA
mV
tolerance
Full range
–34
34
–59
59
25°C
45
77
45
77
IZ,min
Minimum cathode current
μA
Full range
82
IZ = 10 mA
25°C
±20
25°C
±15
Average temperature coefficient
αVZ
IZ = 1 mA
ppm/°C
of reverse breakdown voltage
Full range
±100
±150
IZ = 100 μA
25°C
±15
25°C
0.4
0.8
1.4
1
IZ,min < IZ < 1 mA
Reverse breakdown voltage
Full range
1.1
1.3
change with cathode current
mV
25°C
2.7
6
2.7
8
change
1 mA < IZ < 15 mA
Full range
9
11
IZ = 1 mA, f = 120 Hz,
ZZ
Reverse dynamic impedance
25°C
0.4
0.9
0.4
1.2
IAC = 0.1 IZ
IZ = 100 μA,
eN
Wideband noise
25°C
35
μVRMS
10 Hz
≤ f ≤ 10 kHz
t = 1000 h,
Long-term stability of reverse
TA = 25°C ± 0.1°C,
120
ppm
breakdown voltage
IZ = 100 μA
VHYST
Thermal hysteresis(1)
ΔTA = –40°C to 125°C
0.08
%
(1)
Thermal hysteresis is defined as VZ,25°C (after cycling to –40°C) – VZ,25°C (after cycling to 125°C).
Copyright 2005–2008, Texas Instruments Incorporated
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