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| LP2980 Datasheet, PDF (5/18 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.)
â65°C to +150°C
â40°C to +125°C
260°C
ESD Rating (Note 2)
2 kV
Power Dissipation (Note 3)
Internally Limited
Input Supply Voltage (Survival)
â0.3V to +16V
Input Supply Voltage (Operating)
2.1V to +16V
Shutdown Input Voltage (Survival)
â0.3V to +16V
Output Voltage (Survival), (Note 4)
â0.3V to +9V
IOUT (Survival)
Input-Output Voltage (Survival),
Short Circuit Protected
â(Note 5)
â0.3V to +16V
Electrical Characteristics
Limits in standard typeface are for TJ = 25°C, and limits in boldface type apply over the full operating temperature range. Unless
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
ÎVO
Output Voltage Tolerance IL = 1 mA
1 mA < IL < 50 mA
â0.50 0.50
â0.75 0.75
â2.5
2.5
â1.0
â1.5
â3.5
1.0
1.5
%VNOM
3.5
VINâVO
Output Voltage
Line Regulation
Dropout Voltage
(Note 7)
VO(NOM) + 1V
â⤠VIN ⤠16V
IL = 0
0.007
1
0.014
0.032
3
5
0.014
%/V
0.032
3
mV
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
IL = 50 mA
375
600
600
1200
1200
VON/OFF
ON/OFF Input Voltage
(Note 8)
VON/OFF < 0.18V
High = O/P ON
Low = O/P OFF
0
1
1
1.4
1.6
1.6
V
0.55
0.18
0.18
ION/OFF
IO(PK)
en
ON/OFF Input Current
Peak Output Current
Output Noise
Voltage (RMS)
Ripple Rejection
VON/OFF = 0
VON/OFF = 5V
VOUT ⥠VO(NOM) â 5%
BW = 300 Hzâ50 kHz,
COUT = 10 μF
f = 1 kHz
0
â1
â1
μA
5
15
15
150
100
100
mA
160
μV
63
dB
COUT = 10 μF
IO(MAX)
Short Circuit Current
RL = 0 (Steady State)
150
mA
(Note 9)
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