LM2940SX-12/NOPB National Semiconductor, LM2940SX-12/NOPB Datasheet - Page 3
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LM2940SX-12/NOPB
Manufacturer Part Number
LM2940SX-12/NOPB
Description
IC REG 12V 1A LDO TO-263
Manufacturer
National Semiconductor
Datasheet
1.LM2940IMP-5.0NOPB.pdf
(20 pages)
Specifications of LM2940SX-12/NOPB
Regulator Topology
Positive Fixed
Voltage - Output
12V
Voltage - Input
13.6 ~ 26 V
Voltage - Dropout (typical)
0.5V @ 1A
Number Of Regulators
1
Current - Output
1A
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
TO-263-3, D²Pak (3 leads + Tab), TO-263AA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Limit (min)
-
Other names
*LM2940SX-12
*LM2940SX-12/NOPB
LM2940SX-12
*LM2940SX-12/NOPB
LM2940SX-12
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Output Voltage
Line Regulation
Load Regulation
Output
Impedance
Quiescent
Current
Output Noise
Voltage
Ripple Rejection
Long Term
Stability
Dropout Voltage
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
V
range of the indicated device. All other specifications apply for T
LM2940S, J, WG, T, MP
ms
LM2940CS, T
Internal Power Dissipation
(Note 2)
Maximum Junction Temperature
Storage Temperature Range
Soldering Temperature (Note 3)
IN
Parameter
TO-220 (T), Wave
TO-263 (S)
= V
O
+ 5V, I
Output Voltage (V
≤
O
1 ms
= 1A, C
5 mA
V
I
50 mA
LM2940, LM2940/883
LM2940C
100 mADC and
20 mArms,
f
V
I
LM2940, LM2940/883
LM2940C
V
I
10 Hz − 100 kHz,
I
f
I
LM2940
LM2940C
f
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
IN
= 5 mA
= 120 Hz
= 5 mA
= 1A
= 5 mA
= 120 Hz, 1 V
= 100 mA
= 1 kHz, 1 V
= 5 mA
= 1A
= 100 mA
+ 2V
+2V
= V
O
≤
≤
= 22 μF, unless otherwise specified. Boldface limits apply over the entire operating temperature
≤
O
Conditions
I
≤
100
O
≤
+ 5V,
I
O
V
≤
O
V
≤
IN
)
IN
1A
1A
≤
≤
rms
26V,
rms
26V,
,
−65°C
,
Internally Limited
≤
T
(Note 1)
J
260°C, 10s
235°C, 30s
5.00
Typ
150
110
0.5
≤
20
35
35
35
10
10
30
72
72
20
+150°C
150°C
60V
45V
6.25V
4.85/4.75
5.15/5.25
LM2940
(Note 5)
150/200
0.8/1.0
50/80
15/20
45/60
60/54
Limit
50
50
15
60
≤
3
5V
V
A
IN
= T
Operating Conditions
Input Voltage
Temperature Range
≤
ESD Susceptibility (Note 4)
LM2940/883
1000/1000
26V
SOT-223 (MP)
LLP-8 (LD)
J
4.85/4.75
5.15/5.25
LM2940T, LM2940S
LM2940CT, LM2940CS
LM2940IMP
LM2940J, LM2940WG
LM2940LD
(Note 6)
700/700
150/200
50/100
0.7/1.0
= 25°C.
Limit
40/50
15/20
50/60
60/50
8.00
Typ
240
110
0.5
20
55
55
55
10
30
66
66
32
9.4V
7.76/7.60
8.24/8.40
LM2940
(Note 5)
150/200
80/130
0.8/1.0
Limit
15/20
45/60
54/48
80
80
54
≤
8V
V
IN
≤
LM2940/883
26V
(Note 1)
1000/1000
1000/1000
−40°C
−55°C
−40°C
7.76/7.60
8.24/8.40
−40°C
(Note 6)
150/200
80/130
0.7/1.0
50/80
15/20
50/60
54/48
Limit
0°C
≤
≤
≤
≤
≤
T
T
T
T
260°C, 30s
235°C, 30s
www.national.com
T
J
J
J
J
A
≤
≤
≤
≤
≤
125°C
125°C
125°C
125°C
1000 Hr
mV
mV
mA
mA
mV
85°C
Units
dB
dB
μV
V
V
2 kV
V
26V
mV/
mΩ
MAX
MAX
MIN
MAX
MAX
MAX
MAX
MIN
MIN
MAX
rms