LM2940T-12.0/NOPB National Semiconductor, LM2940T-12.0/NOPB Datasheet - Page 4

• 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

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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
Ripple Rejection
Long Term
Stability
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
(Note 7)
R
LM2940, T
LM2940/883, T
LM2940C, T
R
LM2940, LM2940/883
LM2940C
R
LM2940, T
LM2940/883, T
LM2940C, T
O
O
O
= 100Ω
= 100Ω
= 100Ω
5 mA
V
I
50 mA
LM2940
LM2940C
100 mADC and
20 mArms,
f
V
I
LM2940
LM2940C
V
10 Hz − 100 kHz,
I
f
I
LM2940
LM2940C
O
O
O
O
O
O
O
O
IN
O
= 5 mA
= 120 Hz
= 5 mA
= 5 mA
= 120 Hz, 1 V
= 100 mA
+ 2V
+2V
= 22 μF, unless otherwise specified. Boldface limits apply over the entire operating temperature
= V
Conditions
≤
≤
O
O
≤
≤
I
≤
)
O
≤
+ 5V, I
I
≤
≤
Conditions
O
100 ms
100 ms
V
≤
V
O
1 ms
1 ms
≤
IN
1A
≤
≤
IN
)
1A
< 26V,
20 ms
20 ms
≤
O
rms
26V,
= 1A
,
Typ
−30
−30
−75
−55
1.9
75
55
LM2940
(Note 5)
−15/−15
−50/−50
−45/−45
60/60
Limit
9.00
Typ
270
−15
1.6
20
60
60
60
10
10
30
64
64
34
45
10.5V
4
5V
A
≤
= T
9V
V
LM2940/883
IN
8.73/8.55
9.27/9.45
LM2940
(Note 5)
−15/−15
−45/−45
(Note 6)
J
90/150
1.5/1.3
15/20
45/60
52/46
Limit
≤
40/40
Limit
= 25°C.
90
90
15
52
26V
Typ
−30
−30
−75
1.9
75
55
10.00
Typ
300
20
65
65
10
30
63
36
11.5V
LM2940
−15/−15
−50/−50
(Note 5)
60/60
Limit
−15
1.6
45
≤
10V
V
8V
10.30/10.50
IN
9.70/9.50
LM2940
(Note 5)
100/165
≤
Limit
15/20
45/60
51/45
100
26V
LM2940/883
(Note 6)
−15/−15
−45/−45
1.6/1.3
40/40
Limit
1000 Hr
mV
mV
mA
mA
Units
dB
μV
V
V
mV/
mΩ
Units
MAX
MIN
A
V
V
V
MAX
MAX
MAX
MAX
MIN
rms
MIN
MIN
MIN
MIN