LM2940T-12.0/NOPB National Semiconductor, LM2940T-12.0/NOPB Datasheet - Page 5

• 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

Dropout Voltage
Short Circuit
Current
Maximum Line
Transient
Reverse Polarity
DC Input Voltage
Reverse Polarity
Transient Input
Voltage
Output Voltage
Line Regulation
Load Regulation
Output
Impedance
Quiescent
Current
Output Noise
Voltage
Electrical Characteristics
V
range of the indicated device. All other specifications apply for T
IN
Parameter
= V
Parameter
O
+ 5V, I
Output Voltage (V
O
Output Voltage (V
= 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
10 Hz − 100 kHz,
I
O
O
O
O
O
O
IN
= 5 mA
= 120 Hz
= 5 mA
= 5 mA
+ 2V
+2V
= V
I
I
(Note 7)
R
T
LM2940
LM2940C
R
LM2940
LM2940C
R
T
LM2940
LM2940C
O
O
≤
O
O
O
O
≤
≤
≤
= 1A
= 100 mA
O
Conditions
I
≤
= 100Ω
= 100Ω
= 100Ω
= 22 μF, unless otherwise specified. Boldface limits apply over the entire operating temperature
O
≤
100 ms
100 ms
+ 5V, I
I
O
V
≤
V
O
≤
IN
1A
IN
)
1A
≤
Conditions
≤
O
O
26V,
26V,
)
= 1A
12.00 11.64/11.40
Typ
360
20
55
55
80
10
10
30
12.36/12.60
13.6V
LM2940
(Note 5)
120/200
15/20
45/60
Limit
Typ
110
−30
−30
−75
−55
0.5
1.9
120
120
75
55
15
≤
12V
5
V
IN
A
9V
= T
≤
LM2940/833
11.64/11.40 15.00 14.55/14.25
12.36/12.60
26V
1000/1000
1000/1000
LM2940
(Note 5)
150/200
−15/−15
−50/−50
−45/−45
0.8/1.0
J
(Note 6)
120/190
60/60
Limit
75/120
= 25°C.
−15
15/20
50/60
Limit
1.6
45
Typ
100
450
20
70
10
30
Typ
−30
−75
110
0.5
1.9
75
16.75V
15.45/15.75
LM2940
(Note 5)
Limit
45/60
150
150
15
10V
≤
15V
LM2940
(Note 5)
150/200
−15/−15
−50/−50
V
0.8/1.0
60/60
Limit
IN
1.6
≤
LM2940/833
14.55/14.25
15.45/15.75
1000/1000
1000/1000
26V
(Note 6)
150/240
95/150
15/20
50/60
Limit
www.national.com
mV
Units
V
A
V
V
V
mV
mV
mA
mA
MAX
MIN
MIN
MIN
MIN
Units
μV
MAX
V
V
mΩ
MAX
MIN
MAX
MAX
MAX
MAX
rms