Datasheet
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Reverse Current 20 mA
Forward Current 10 mA
Maximum Output Voltage
(LM4051-ADJ) 15V
Power Dissipation (T
A
= 25˚C) (Note 2)
M3 Package 280 mW
Storage Temperature −65˚C to +150˚C
Lead Temperature
M3 Packages
Vapor phase (60 seconds) +215˚C
Infrared (15 seconds) +220˚C
ESD Susceptibility
Human Body Model (Note 3) 2 kV
Machine Model (Note 3) 200V
See AN-450 “Surface Mounting Methods and Their Effect
on Product Reliability” for other methods of soldering
surface mount devices.
Operating Ratings (Note 2)
Temperature Range (T
min
≤ T
A
≤ T
max
)
Industrial Temperature Range −40˚C ≤ T
A
≤ +85˚C
Extended Temperature Range −40˚C ≤ T
A
≤ +125˚C
Reverse Current
LM4051-1.2 60 µA to 12 mA
LM4051-ADJ 60 µA to 12 mA
Output Voltage Range
LM4051-ADJ 1.24V to 10V
LM4051-1.2
Electrical Characteristics
Boldface limits apply for T
A
=T
J
=T
MIN
to T
MAX
; all other limits T
A
=T
J
= 25˚C. The grades A, B and C designate initial Re-
verse Breakdown Voltage tolerances of
±
0.1%,
±
0.2% and
±
0.5% respectively.
Symbol Parameter Conditions
Typical
(Note 4)
LM4051AIM3
LM4051AEM3
(Limits)
(Note 5)
LM4051BIM3
LM4051BEM3
(Limits)
(Note 5)
LM4051CIM3
LM4051CEM3
(Limts)
(Note 5)
Units
(Limit)
V
R
Reverse Breakdown Voltage I
R
= 100 µA 1.225 V
Reverse Breakdown Voltage
Tolerance (Note 6)
I
R
= 100 µA
±
1.2
±
2.4
±
6 mV (max)
Industrial Temp. Range
±
5.2
±
6.4
±
10.1 mV (max)
Extended Temp. Range
±
7.4
±
8.6
±
12.2 mV (max)
I
RMIN
Minimum Operating Current 39 µA
60 60 60 µA (max)
65 65 65 µA (max)
∆V
R
/∆T Average Reverse Breakdown
Voltage Temperature
Coefficient (Note 6)
I
R
=10mA
±
20 ppm/˚C
I
R
=1mA
±
15 ppm/˚C
I
R
= 100 µA
∆T = −40˚C to 125˚C
±
15
±
50
±
50
±
50 ppm/˚C (max)
∆V
R
/∆I
R
Reverse Breakdown Voltage
Change with Operating
Current Change
I
RMIN
≤ I
R
≤ 1 mA 0.3 mV
1.1 1.1 1.1 mV (max)
1.5 1.5 1.5 mV (max)
1mA≤ I
R
≤ 12 mA 1.8 mV
6.0 6.0 6.0 mV (max)
8.0 8.0 8.0 mV (max)
Z
R
Reverse Dynamic Impedance I
R
= 1 mA, f = 120 Hz 0.5 Ω
e
N
Wideband Noise I
R
= 100 µA 20 µV
rms
10 Hz ≤ f ≤ 10 kHz
∆V
R
Reverse Breakdown Voltage
Long Term Stability
(Note 9)
t = 1000 hrs
T = 25˚C
±
0.1˚C
I
R
= 100 µA
120 ppm
V
HYST
Thermal Hysteresis
(Note 10)
∆T = −40˚C to 125˚C 0.36 mV/V
LM4051
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