 English |
|
|
|
|
|
|
|
| LP2987 Datasheet, PDF (9/24 Pages) National Semiconductor (TI) – Micropower, 200 mA Ultra Low-Dropout Voltage Regulator with Programmable Power-On Reset Delay; Low Noise Version Available (LP2988) | |||
| |||
| ◁ |
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 seconds)
ESD Rating (Note 2)
Power Dissipation (Note 3)
Input Supply Voltage
(Survival)
â65ËC to +150ËC
â40ËC to +125ËC
260ËC
2 kV
Internally Limited
â0.3V to +16V
Input Supply Voltage
(Operating)
Shutdown Pin
Sense Pin
Output Voltage
(Survival) (Note 4)
IOUT (Survival)
Input-Output Voltage
(Survival) (Note 5)
2.1V to +16V
â0.3V to +16V
â0.3V to +6V
â0.3V to +16V
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 = 4.7 µF, CIN = 2.2 µF, VS/D = 2V.
LM2987/8AI-X.X LM2987/8I-X.X
Symbol
Parameter
Conditions
Typical
(Note 6)
(Note 6)
Units
Min
Max
Min
Max
âVO
Output Voltage
Tolerance
0.1 mA < IL < 200 mA
â0.5
0.5
â1.0
1.0
â0.8
0.8
â1.6
1.6
%VNOM
â1.8
1.8
â2.8
2.8
Output Voltage Line
Regulation
VO(NOM) + 1V ⤠VIN â¤
16V
0.007
0.014
0.032
0.014
%/V
0.032
VINâ VO
IGND
IO(PK)
IO(MAX)
en
Dropout Voltage
(Note 7)
Ground Pin Current
Peak Output Current
Short Circuit Current
LP2987 Output Noise
Voltage (RMS)
LP2988 Output Noise
Voltage (RMS)
Ripple Rejection
IL = 100 µA
IL = 75 mA
IL = 200 mA
IL = 100 µA
IL = 75 mA
IL = 200 mA
VS/D < 0.3V
VOUT ⥠VO(NOM) â 5%
RL = 0 (Steady State)
(Note 10)
BW = 300 Hz to
50 kHz, VOUT = 3.3V
COUT = 10 µF
BW = 300 Hz to 50 kHz,
VOUT = 3.3V
COUT = 10 µF
CBYPASS = .01 µF
f = 1 kHz, COUT = 10 µF
CBYP = 0 (LP2988)
1
90
180
100
500
1
0.05
400
400
100
20
65
2.0
2.0
3.5
3.5
120
120
mV
170
170
230
230
350
350
120
120
150
150
µA
800
800
1400
1400
2.1
2.1
mA
3.7
3.7
1.5
1.5
µA
250
250
mA
µV(RMS)
dB
9
www.national.com
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese