LM2940T-12.0/NOPB National Semiconductor, LM2940T-12.0/NOPB Datasheet - Page 3

• Manufacturer Part Number: LM2940T-12.0/NOPB
• Description: IC REGULATOR LDO 12.0V TO220-3
• Manufacturer: National Semiconductor
• Type: Voltage Regulatorr

Specifications of LM2940T-12.0/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: Through Hole
• Package / Case: TO-220-3 (Straight Leads)
• Current, Output: 1 A
• Current, Supply: 30 mA
• Package Type: TO-220
• Regulation, Line: 20 mV
• Regulation, Load: 55 mV
• Regulator Type: Low Dropout
• Resistance, Thermal, Junction To Case: 4 °C/W
• Temperature, Operating, Range: -40 to +125 °C
• Voltage, Dropout: 0.5 V
• Voltage, Input: 26 V
• Voltage, Noise: 360 μV
• Voltage, Output: 12 V
• Voltage Regulator Type: Linear
• Topology: LDO
• Regulator Output Type: Fixed
• Polarity Type: Positive
• Number Of Outputs: Single
• Input Voltage (min): 13.6V
• Input Voltage (max): 26V
• Output Voltage: 12V
• Output Current: 1(Typ)A
• Load Regulation: 120mV
• Line Regulation: 120mV
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Dropout Voltage@current (typ): 0.5@1A/0.11@100mA
• Pin Count: 3 +Tab
• Mounting: Through Hole
• Quiescent Current (max): 15mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device
• Other names: *LM2940T-12.0; *LM2940T-12.0/NOPB; LM2940T-12.0

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