LM431ACM3 National Semiconductor, LM431ACM3 Datasheet - Page 4
![Shunt Voltage Regulator IC](/photos/19/2/190261/3833576_sml.gif)
LM431ACM3
Manufacturer Part Number
LM431ACM3
Description
Shunt Voltage Regulator IC
Manufacturer
National Semiconductor
Datasheet
1.LM431ACM3.pdf
(14 pages)
Specifications of LM431ACM3
Mounting Type
Surface Mount
Output Voltage Min
2.5V
Voltage Regulator Type
Adjustable Shunt
Peak Reflow Compatible (260 C)
No
Output Current
15mA
Current Rating
15A
Output Voltage Max
36V
Fixed / Adjust / Prog
Adjust
Output Voltage (max)
2.495 to 37V
Temperature Coefficient
50ppm/°C
Reference Voltage Accuracy (max)
2
Input Voltage (max)
37V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
3
Package Type
SOT-23
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM431ACM3
Manufacturer:
NS
Quantity:
5 321
Part Number:
LM431ACM3/NOPB
Manufacturer:
NS/国半
Quantity:
20 000
Company:
Part Number:
LM431ACM3NOPB
Manufacturer:
NSC
Quantity:
6 802
Company:
Part Number:
LM431ACM3X
Manufacturer:
NS
Quantity:
708
Part Number:
LM431ACM3X
Manufacturer:
NS/国半
Quantity:
20 000
Part Number:
LM431ACM3X(N1F)
Manufacturer:
HG
Quantity:
20 000
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V
V
I
I
I
r
REF
I
Z(MIN)
Z(OFF)
Z
REF
Symbol
REF
DEV
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
LM431 Electrical Characteristics
T
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device
beyond its rated operating conditions.
Note 2: T
Note 3: Ratings apply to ambient temperature at 25°C. Above this temperature, derate the TO-92 at 6.2 mW/°C, the SO-8 at 6.5 mW/°C, the SOT-23 at 2.2 mW/
°C.
Note 4: Deviation of reference input voltage, V
Storage Temperature Range
Operating Temperature Range
Soldering Information
Cathode Voltage
Continuous Cathode Current
Reference Voltage
Reference Input Current
Internal Power Dissipation
A
Industrial (LM431xI)
Commercial (LM431xC)
Infrared or Convection (20 sec.)
Wave Soldering (10 sec.)
Note
= 25°C unless otherwise specified
TO-92 Package
SO-8 Package
SOT-23 Package
J Max
3)
Reference Voltage
Deviation of Reference Input Voltage Over
Temperature
Ratio of the Change in Reference Voltage
to the Change in Cathode Voltage
Reference Input Current
Deviation of Reference Input Current over
Temperature
Minimum Cathode Current for Regulation
Off-State Current
Dynamic Output Impedance
= 150°C.
(Note
(Note
Parameter
4)
2,
DEV
(Note
−10 mA to +150 mA
, is defined as the maximum variation of the reference input voltage over the full temperature range.
260°C (lead temp.)
−65°C to +150°C
−40°C to +85°C
5)
0°C to +70°C
(Note
10 mA
0.78W
0.81W
0.28W
1)
235°C
−0.5V
37V
V
LM431A
V
LM431B
V
LM431C
V
T
(Figure 2
R
I
R
I
T
V
V
V
Frequency = 0 Hz
V
Frequency = 0 Hz
I
I
I
Z
Z
Z
Z
A
A
Z
Z
Z
Z
1
1
Z
= 10 mA
= 10 mA,
= V
= V
= V
= V
= Full Range
= 10 kΩ, R
= 10 kΩ, R
= Full Range
= V
= 36V, V
= V
= V
= 10 mA
4
REF
REF
REF
REF
REF
REF
REF
(Figure 1
(Figure 1
(Figure 1
)
, I
, I
, I
, I
, LM431A,
, LM431B, LM431C
(Figure 1
(Figure 2
Operating Conditions
Cathode Voltage
Cathode Current
I
I
I
I
REF
Conditions
= 10 mA
= 10 mA
= 10 mA
= 10 mA,
2
2
V
=
=
V
Z
= 0V
(Figure 1
(Figure 2
Z
from 10V to 36V
∞
∞
(Figure 1
(Figure 1
)
)
from V
)
,
,
)
)
(Figure
REF
)
)
)
)
3)
to 10V
2.440
2.470
2.485
Min
1.0 mA
V
Min
REF
2.495
2.495
2.500
−1.4
−1.0
Typ
8.0
2.0
0.4
0.4
0.3
2.550
2.520
2.510
−2.7
−2.0
Max
0.75
0.50
4.0
1.2
1.0
1.0
100 mA
17
Max
37V
Units
mV/V
mV
mA
μA
μA
μA
V
V
V
Ω
Ω