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| LP2980 Datasheet, PDF (4/18 Pages) National Semiconductor (TI) – Micropower 50 mA Ultra Low-Dropout Regulator | |||
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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.)
â65ËC to +150ËC
â40ËC to +125ËC
260ËC
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)
IOUT (Survival)
Input-Output Voltage (Survival),
(Note 5)
2 kV
Internally Limited
â0.3V to +16V
2.1V to +16V
â0.3V to +16V
â0.3V to +9V
Short Circuit Protected
â0.3V to +16V
Electrical Characteristics
Limits in standard typeface are for TJ = 25ËC, and limits in boldface type apply over the full operating temperature range. Un-
less otherwise specified: VIN = VO(NOM) + 1V, IL = 1 mA, COUT = 1 µF, VON/OFF = 2V.
Symbol
Parameter
Conditions
Typ
LP2980AI-XX
LP2980I-XX
Units
(Note 6)
(Note 6)
Min
Max
Min
Max
âVO
Output Voltage
Tolerance
IL = 1 mA
1 mA < IL < 50 mA
â0.50 0.50
â1.0
â0.75 0.75
â1.5
â2.5
2.5
â3.5
1.0
1.5
%VNOM
3.5
Output Voltage
VO(NOM) + 1V
0.007
0.014
0.014
%/V
Line Regulation
⤠VIN ⤠16V
0.032
0.032
VINâ VO
Dropout Voltage
(Note 7)
IL = 0
1
3
3
mV
5
5
IL = 1 mA
7
10
10
15
15
IL = 10 mA
40
60
60
90
90
IL = 50 mA
120
150
150
225
225
IGND
Ground Pin Current
IL = 0
65
95
95
µA
125
125
IL = 1 mA
80
110
110
170
170
IL = 10 mA
140
220
220
460
460
VON/OFF
ON/OFF Input Voltage
(Note 8)
IL = 50 mA
VON/OFF < 0.18V
High = O/P ON
Low = O/P OFF
375
600
600
1200
1200
0
1
1
1.4
1.6
1.6
V
0.55
0.18
0.18
ION/OFF
ON/OFF Input Current VON/OFF = 0
0
â1
â1
µA
VON/OFF = 5V
5
15
15
IO(PK)
Peak Output Current
VOUT ⥠VO(NOM) â 5%
150
100
100
mA
en
Output Noise
BW = 300 Hzâ50 kHz,
160
µV
Voltage (RMS)
COUT = 10 µF
Ripple Rejection
f = 1 kHz
63
dB
COUT = 10 µF
IO(MAX)
Short Circuit Current
RL = 0 (Steady State)
150
mA
(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.
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