LM2940S-8.0 National Semiconductor, LM2940S-8.0 Datasheet - Page 5

• Manufacturer Part Number: LM2940S-8.0
• Description: Linear Voltage Regulator IC
• Manufacturer: National Semiconductor

Specifications of LM2940S-8.0

• No. Of Pins: 3
• Output Current: 1A
• Termination Type: SMD
• Mounting Type: Through Hole
• Voltage Regulator Type: LDO Linear
• Peak Reflow Compatible (260 C): No
• Supply Voltage: 26V
• Current Rating: 1A
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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
Electrical Characteristics
Electrical Characteristics
V
ture range of the indicated device. All other specifications apply for T
V
ture range of the indicated device. All other specifications apply for T
IN
IN
Parameter
Parameter
= V
= V
O
O
+ 5V, I
+ 5V, I
Output Voltage (V
Output Voltage (V
O
O
= 1A, C
= 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
f
I
LM2940
LM2940C
f
I
O
O
O
O
O
O
O
O
O
O
IN
= 5 mA
= 120 Hz
= 5 mA
= 5 mA
= 120 Hz, 1 V
= 100 mA
= 1 kHz, 1 V
= 5 mA
+ 2V
+2V
= V
(Note 6)
R
T
LM2940
LM2940C
R
LM2940
LM2940C
R
T
LM2940
LM2940C
Conditions
O
O
O
O
O
O
I
= 100
= 100
= 100
O
100 ms
100 ms
I
= 22 µF, unless otherwise specified. Boldface limits apply over the entire operating tempera-
O
+ 5V, I
= 22 µF, unless otherwise specified. Boldface limits apply over the entire operating tempera-
O
V
V
)
IN
1A
IN
Conditions
1A
O
rms
)
26V,
O
26V,
rms
,
= 1A
,
(Continued)
12.00
Typ
360
20
55
55
80
10
10
30
66
66
11.64/11.40
12.36/12.60
13.6V
LM2940
(Note 4)
120/200
15/20
45/60
54/48
Limit
Typ
−30
−30
−75
−55
1.9
120
120
75
55
15
54
12V
V
5
IN
9V
LM2940/833
11.64/11.40 15.00
12.36/12.60
26V
1000/1000
1000/1000
LM2940
(Note 4)
−15/−15
−50/−50
−45/−45
(Note 5)
120/190
60/60
Limit
A
75/120
A
−15
Limit
15/20
50/60
52/46
1.6
45
= T
= T
J
J
= 25˚C.
= 25˚C.
Typ
100
450
20
70
10
30
64
Typ
−30
−75
1.9
75
16.75V
14.55/14.25
15.45/15.75
LM2940
(Note 4)
45/60
Limit
150
150
15
52
10V
15V
V
LM2940
(Note 4)
−15/−15
−50/−50
IN
60/60
Limit
1.6
LM2940/833
14.55/14.25
15.45/15.75
26V
1000/1000
1000/1000
(Note 5)
150/240
95/150
Limit
15/20
50/60
48/42
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Units
A
V
V
V
mV
mV
mA
mA
MIN
MIN
MIN
MIN
dB
dB
Units
µV
V
V
m
MAX
MIN
MAX
MAX
MAX
MAX
MIN
MIN
rms