LP2980
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature Range
Operating Junction Temperature
Range
Lead Temperature
(Soldering, 5 sec.)
−65˚C to +150˚C
−40˚C to +125˚C
260˚C
ESD Rating (Note 2)
Power Dissipation (Note 3)
Input Supply Voltage (Survival)
Input Supply Voltage (Operating)
Shutdown Input Voltage (Survival)
Output Voltage (Survival), (Note 4)
I
OUT
(Survival)
Input-Output Voltage (Survival),
(Note 5)
2 kV
Internally Limited
−0.3V to +16V
2.1V to +16V
−0.3V to +16V
−0.3V to +9V
Short Circuit Protected
−0.3V to +16V
Electrical Characteristics
Limits in standard typeface are for T
J
= 25˚C, and limits in
boldface type
apply over the full operating temperature range. Un-
less otherwise specified: V
IN
= V
O(NOM)
+ 1V, I
L
= 1 mA, C
OUT
= 1 µF, V
ON/OFF
= 2V.
Symbol
Parameter
Conditions
Typ
LP2980AI-XX
(Note 6)
Min
∆V
O
Output Voltage
Tolerance
I
L
= 1 mA
1 mA
<
I
L
<
50 mA
Output Voltage
Line Regulation
V
IN
–V
O
Dropout Voltage
(Note 7)
I
L
= 1 mA
I
L
= 10 mA
I
L
= 50 mA
I
GND
Ground Pin Current
I
L
= 0
I
L
= 1 mA
I
L
= 10 mA
I
L
= 50 mA
V
ON/OFF
<
0.18V
V
ON/OFF
I
ON/OFF
I
O(PK)
e
n
ON/OFF Input Voltage
(Note 8)
ON/OFF Input Current
Peak Output Current
Output Noise
Voltage (RMS)
Ripple Rejection
High = O/P ON
Low = O/P OFF
V
ON/OFF
= 0
V
ON/OFF
= 5V
V
OUT
≥
V
O(NOM)
− 5%
BW = 300 Hz–50 kHz,
C
OUT
= 10 µF
f = 1 kHz
C
OUT
= 10 µF
I
O(MAX)
Short Circuit Current
R
L
= 0 (Steady State)
(Note 9)
Note 1:
Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating the de-
vice outside of its rated operating conditions.
Note 2:
The ESD rating of pins 3 and 4 is 1 kV.
LP2980I-XX
(Note 6)
Min
−1.0
−1.5
−3.5
Max
1.0
1.5
3.5
0.014
0.032
3
5
10
15
60
90
150
225
95
125
110
170
220
460
600
1200
1
1.6
Units
Max
0.50
0.75
2.5
0.014
0.032
−0.50
−0.75
−2.5
0.007
%V
NOM
V
O(NOM)
+ 1V
≤
V
IN
≤
16V
I
L
= 0
%/V
1
7
40
120
65
80
140
375
0
1.4
0.55
0
5
150
160
63
150
100
1.6
3
5
10
15
60
90
150
225
95
125
110
170
220
460
600
1200
1
0.18
−1
15
100
mV
µA
V
0.18
−1
15
mA
µV
dB
mA
µA
www.national.com
4
NSC [ NATIONAL SEMICONDUCTOR ]
