LM2941CT/NOPB National Semiconductor, LM2941CT/NOPB Datasheet - Page 2

• Manufacturer Part Number: LM2941CT/NOPB
• Description: IC REGULATOR LDO 1A TO-220-5
• Manufacturer: National Semiconductor
• Type: Voltage Regulatorr

Specifications of LM2941CT/NOPB

• Regulator Topology: Positive Adjustable
• Voltage - Output: 5 ~ 20 V
• Voltage - Input: Up to 26V
• Voltage - Dropout (typical): 0.5V @ 1A
• Number Of Regulators: 1
• Current - Output: 1A
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-5 (Straight Leads)
• Current, Output: 1 A
• Current, Supply: 10 mA
• Package Type: TO-220
• Regulation, Line: 4 mV/V
• Regulation, Load: 7 mV/V
• Regulator Type: Low Dropout
• Resistance, Thermal, Junction To Case: 3 °C/W
• Temperature, Operating, Range: 0 to +125 °C
• Voltage, Dropout: 0.5 V
• Voltage, Input: 31 VDC
• Voltage, Noise: 0.003 %
• Voltage, Output: 5 to 20 V
• Voltage, Supply, Rejection Ratio: 0.005 %/V
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 26 V
• Output Voltage: 5 V to 20 V
• Output Type: Adjustable
• Dropout Voltage (max): 0.2 V at 100 mA
• Output Current: 1 A
• Line Regulation: 10 mV/V
• Load Regulation: 10 mV/V
• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: 0 C
• Reference Voltage: 1.313 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device
• Other names: *LM2941CT; *LM2941CT/NOPB; LM2941CT

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Reference Voltage
Line Regulation
Load Regulation
Output Impedance
Quiescent Current
RMS Output Noise,
% of V
Ripple Rejection
Long Term Stability
Dropout Voltage
Short Circuit Current
Maximum Line
Transient
Maximum Operational
Input Voltage
Reverse Polarity DC Input
Voltage
Reverse Polarity Transient
Input Voltage
ON/OFF Threshold
Voltage ON
ON/OFF Threshold
Voltage OFF
ON/OFF Threshold
Current
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics—LM2941T, LM2941S, LM2941J, LM2941WG,
LM2941LD
5V
while those in boldface type apply over the full Operating Temperature Range.
Input Voltage (Survival Voltage,
Internal Power Dissipation (Note 4)
Maximum Junction Temperature
Storage Temperature Range
Lead Temperature
LM2941T, LM2941S, LM2941LD
LM2941CT, LM2941CS
(Soldering, 10 seconds)
TO-220 (T) Package
≤
OUT
Parameter
V
O
≤
20V, V
IN
= V
O
5mA
V
50mA
100 mADC and 20 mArms
f
V
V
10Hz–100kHz
I
f
I
I
V
V
R
R
T
I
I
V
+ 5V, C
O
O
O
O
O
O
O
O
O
IN
IN
O
ON/OFF
O
O
≤
= 120Hz
= 5mA
= 120Hz, 1 Vrms, I
= 1A
= 100mA
≤
≤
+ 2V
+ 2V
Max 1V Above Nominal V
= 100, T
= 100, V
= V
Max = 26V (Note 8)
100ms, R
1A
1A
≤
≤
≤
O
I
O
O
= 2.0V, I
≤
I
≤
+ 5V, I
100ms)
O
= 22μF, unless otherwise specified. Specifications in standard typeface apply for T
≤
V
V
≤
O
1A (Note 7)
IN
IN
≤
−65°C
1A
≥
O
Conditions
≤
< 26V, I
100ms
O
= 100Ω
−0.6V
O
26V, I
= 1A
Internally Limited
≤
≤
1A
L
T
(Note 1)
O
O
= 100mA
J
= 5mA
= 5mA
≤
+150°C
150°C
260°C
O
60V
45V
2
Maximum Input Voltage
Temperature Range
Operating Ratings
ESD Rating (Note 2)
1.275
0.003
0.005
1.30
1.30
Typ
110
−30
−75
0.4
0.5
1.9
LM2941T
LM2941CT
LM2941S
LM2941CS
LM2941J
LM2941WG
LM2941LD
TO-263 (S) Package
10
30
75
31
50
4
7
7
LM2941WG
(Notes 3, 5)
1.237/1.211
1.313/1.339
LM2941J
0.02/0.04
0.80/0.80
2.00/2.00
−15/−15
−50/−50
200/200
100/300
0.8/1.0
1.6/1.3
10/10
10/10
15/20
45/60
60/60
26/26
Limit
1.237/1.211
1.313/1.339
LM2941LD
LM2941S
LM2941T
0.02/0.04
0.80/0.80
2.00/2.00
−15/−15
−50/−50
(Note 6)
200/200
100/300
0.8/1.0
10/10
10/10
15/20
45/60
60/60
26/26
Limit
1.6
−40°C
−40°C
−55°C
−55°C
−40°C
0°C
0°C
≤
≤
≤
≤
≤
≤
≤
T
T
T
T
T
T
T
J
mV/V(max)
mV/V(max)
%/1000 Hr
J
J
J
J
J
J
J
= 25°C,
%/V(max)
mA(max)
mA(max)
mV(max)
μA(max)
(Limits)
≤
≤
≤
≤
≤
≤
≤
V(max)
V(max)
V(max)
V(min)
A(min)
V(min)
V(min)
V(min)
V(min)
mΩ/V
Units
V
260°C
125°C
125°C
125°C
125°C
125°C
125°C
125°C
±2 kV
%
DC
26V