|
|
Número de pieza | LD2981 | |
Descripción | VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT | |
Fabricantes | ST Microelectronics | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de LD2981 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
No Preview Available ! LD2981
® SERIES
VERY LOW DROP
VOLTAGE REGULATORS WITH INHIBIT
s ULTRA LOW DROPOUT VOLTAGE
(0.2V AT 100mA LOAD, 7mV AT 1mA LOAD)
s VERY LOW QUIESCENT CURRENT
(MAX 1µA WHEN IS IN SHUTDOWN MODE)
s OUTPUT CURRENT UP TO 100 mA
s LOGIC-CONTROLLED ELECTRONIC
SHUTDOWN
s OUTPUT VOLTAGES OF 2.85; 3.0; 3.2; 3.3;
3.8; 4.85; 5.0V
s INTERNAL CURRENT AND THERMAL LIMIT
s AVAILABLEIN ± 0.75% TOLLERANCE (AT
25oC, A VERSION)
s OUTPUT LOW NOISE VOLTAGE 160µVrms
s ONLY 4.7µF FOR STABILITY
s TEMPERATURE RANGE: -40 TO 125 oC
s SMALLEST PACKAGE SOT23-5L AND
SOT-89
s FAST DYNAMIC RESPONCE TO LINE AND
LOAD CHANGES
DESCRIPTION
The LD2981 series are 100mA fixed-output
voltage regulator. The ultra drop-voltage and the
ultra low quiescent current make them particularly
suitable for low noise, low power applications and
in battery powered systems.
SOT23-5L
SOT-89
In sleep mode quiescent current is less than 1µA
when INHIBIT pis is pulled low. Shutdown Logic
Control function is available on pin n.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. Typlical application are in
cellular phone, palmtop/laptop computer,
personal digital assistant (PDA), personal stereo,
camcorder and camera.
SCHEMATIC DIAGRAM
April 2000
1/12
1 page LD2981
TYPICAL PERFORMANCE CHARACTERISTICS (unless otherwise specified TJ=25oC, CIN=COUT=1µF)
Output Voltage vs Temperature
Output Voltage vs Temperature
Output Voltage vs Input Voltage
Output Voltage vs Input Voltage
Output Voltage vs Output Current
Output Voltage vs Output Current
5/12
5 Page DIM.
A
A1
A2
b
C
D
E
E1
L
e
e1
SOT23-5L MECHANICAL DATA
MIN.
0.90
0.00
0.90
0.35
0.09
2.80
2.60
1.50
0.35
mm
TYP.
0.95
1.9
MAX.
1.45
0.15
1.30
0.50
0.20
3.00
3.00
1.75
0.55
MIN.
35.4
0.0
35.4
13.7
3.5
110.2
102.3
59.0
13.7
mils
TYP.
37.4
74.8
LD2981
MAX.
57.1
5.9
51.2
19.7
7.8
118.1
118.1
68.8
21.6
11/12
11 Page |
Páginas | Total 12 Páginas | |
PDF Descargar | [ Datasheet LD2981.PDF ] |
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 |