|
|
PDF LD2982 Data sheet ( Hoja de datos )
| Número de pieza | LD2982 | |
| Descripción | VERY LOW DROP AND LOW NOISE VOLTAGE REGULATOR WITH INHIBIT FUNCTION / LOW ESR CAP. COMPATIBLE | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de LD2982 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
|
No Preview Available !
LD2982
SERIES
VERY LOW DROP AND LOW NOISE VOLTAGE REGULATOR
WITH INHIBIT FUNCTION, LOW ESR CAP. COMPATIBLE
s VERY LOW DROPOUT VOLTAGE (120mV
AT 50mA AND 7mV AT 1mA LOAD)
s VERY LOW QUIESCENT CURRENT (375µA
TYP. AT 50mA LOAD AND 75µA AT 1mA)
s OUTPUT CURRENT UP TO 50mA
s LOGIC CONTROLLED ELECTRONIC
SHUTDOWN
s OUTPUT VOLTAGE OF 1.5,1.8, 2.5, 2.8, 2.85,
3, 3.1, 3.2, 3.3, 3.5, 3.6, 3.8, 4, 4.7, 5V
s INTERNAL CURRENT AND THERMAL LIMIT
s AVAILABLE IN ± 1% TOLLERANCE (AT 25°C,
A VERSION)
s SUPPLY VOLTAGE REJECTION: 45dB (TYP)
s ONLY 1µF FOR STABILITY
s LOW OUTPUT NOISE VOLTAGE 30µVrms
s SMALLEST PACKAGE SOT23-5L
s TEMPERATURE RANGE: -40°C TO 125°C
DESCRIPTION
The LD2982 is a 50mA fixed output voltage
regulator. The ultra low drop voltage and the low
quiescent current make them particularly suitable
for low noise, low power applications, and in
battery powered systems. In sleep mode
quiescent current is less than 1µA when INHIBIT
SOT23-5L
pin is pulled low. Shutdown Logic Control Function
is available on pin 3 (TTL compatible). This means
that when the device is used as local regulator, it
is possible to put a part of the board in standby,
decreasing the total power consumption.
An external capacitor CBYP=10nF connected
between bypass pin and GND reduce the noise
to 30µVrms.
Typical application are in cellular phone, palmtop/
laptop computer, personal digital assistant (PDA),
personal stereo, camcorder and camera.
SCHEMATIC DIAGRAM
July 2003
1/13
1 page  
LD2982 SERIES
ELECTRICAL CHARACTERISTICS FOR LD2982B (TJ = 25°C, VI=VO+1V, IO=1mA, VSHDN=2V,
CI = 1µF, CO = 1µF, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VOp Operating Input Voltage
VO Output Voltage
VO Output Voltage
VO Output Voltage
VO Output Voltage
VO Output Voltage
VO Output Voltage
VO Output Voltage
VO Output Voltage
VO Output Voltage
VO Output Voltage
VO Output Voltage
VO Output Voltage
VO Output Voltage
VI = 2.5V
IO = 1 to 50mA
IO = 1 to 50mA
VI = 2.8V
IO = 1 to 50mA
IO = 1 to 50mA
VI = 3.5V
IO = 1 to 50mA
IO = 1 to 50mA
VI = 3.8V
IO = 1 to 50mA
IO = 1 to 50mA
VI = 3.85V
IO = 1 to 50mA
IO = 1 to 50mA
VI = 4.0V
IO = 1 to 50mA
IO = 1 to 50mA
VI = 4.1V
IO = 1 to 50mA
IO = 1 to 50mA
VI = 4.2V
IO = 1 to 50mA
IO = 1 to 50mA
VI = 4.3V
IO = 1 to 50mA
IO = 1 to 50mA
VI = 4.5V
IO = 1 to 50mA
IO = 1 to 50mA
VI = 4.6V
IO = 1 to 50mA
IO = 1 to 50mA
VI = 4.8V
IO = 1 to 50mA
IO = 1 to 50mA
VI = 5.0V
IO = 1 to 50mA
IO = 1 to 50mA
TJ= -40 to 125°C
TJ= -40 to 125°C
TJ= -40 to 125°C
TJ= -40 to 125°C
TJ= -40 to 125°C
TJ= -40 to 125°C
TJ= -40 to 125°C
TJ= -40 to 125°C
TJ= -40 to 125°C
TJ= -40 to 125°C
TJ= -40 to 125°C
TJ= -40 to 125°C
TJ= -40 to 125°C
2.5
1.477
1.470
1.447
1.773
1.764
1.737
2.462
2.45
2.412
2.758
2.744
2.702
2.807
2.793
2.750
2.955
2.94
2.895
3.053
3.038
2.991
3.152
3.136
3.088
3.250
3.234
3.184
3.447
3.430
3.377
3.546
3.528
3.474
3.743
3.724
3.667
3.94
3.92
3.86
1.5
1.8
2.5
2.8
2.85
3.0
3.1
3.2
3.3
3.5
3.6
3.8
4
16
1.523
1.530
1.553
1.827
1.836
1.863
2.537
2.55
2.587
2.842
2.856
2.898
2.893
2.907
2.950
3.045
3.06
3.105
3.146
3.162
3.208
3.248
3.264
3.312
3.349
3.366
3.415
3.552
3.370
3.662
3.654
3.672
3.726
3.857
3.876
3.933
4.06
4.08
4.14
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
5/13
5 Page 
DIM.
A
A1
A2
b
C
D
E
e
H
L
LD2982 SERIES
MIN.
0.90
0.00
0.90
0.35
0.09
2.80
1.50
2.60
0.10
SOT23-5L MECHANICAL DATA
mm.
TYP
0.95
MAX.
1.45
0.10
1.30
0.50
0.20
3.00
1.75
3.00
0.60
MIN.
35.4
0.0
35.4
13.7
3.5
110.2
59.0
102.3
3.9
mils
TYP.
37.4
MAX.
57.1
3.9
51.2
19.7
7.8
118.1
68.8
118.1
23.6
.
7049676C
11/13
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet LD2982.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| LD2980 | VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT | ST Microelectronics |
| LD2981 | VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT | ST Microelectronics |
| LD2982 | VERY LOW DROP AND LOW NOISE VOLTAGE REGULATOR WITH INHIBIT FUNCTION / LOW ESR CAP. COMPATIBLE | ST Microelectronics |
| LD2985 | Very low drop and low noise voltage regulator | ST Microelectronics |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |