|
|
PDF LR1084 Data sheet ( Hoja de datos )
| Número de pieza | LR1084 | |
| Descripción | Low dropout positive voltage regulators | |
| Fabricantes | LRC | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de LR1084 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
|
No Preview Available !
LESHAN RADIO COMPANY, LTD.
LR1084
General Description
Features
The LR1084 is a series of low dropout positive voltage g Low Dropout Voltage: 1.3V Typically at 5A
regulators with a maximum dropout of 1.5V at 5A of g Current Limiting and Thermal Protection
load current.
g Output Current: 5A
The series features on-chip thermal limiting which pro- g Current Limit: 6.5A
vides protection against any combination of overload g Operating Junction Temperature Range: 0 to
and ambient temperatures that would create excessive
125oC
junction temperatures. It also includes a trimmed band- g Line Regulation: 0.015% (Typical)
gap reference and a current limiting circuit.
g Load Regulation: 0.2% (Typical)
The LR1084 is available in 1.5V, 1.8V, 2.5V, 2.85V,
3.3V and 5.0Vversions. The fixed versions integrate
the adjust resistors. It is also available in an adjustable
version which can set the output voltage with two
external resistors.
The LR1084 series is available in standard packages of
TO-263-2L, TO-263-3L, TO-220 and TO-252.
Applications
g High Efficiency Linear Regulators
g Battery Chargers
g Post Regulation for Switching Supply
g Microprocessor Supply
g Desktop PCs, RISC and Embedded Processors'
Supply
TO-263-3L
TO-263-2L
TO-252
Figure 1. Package Types of LR1084
TO-220
1/11
1 page  
LESHAN RADIO COMPANY, LTD.
LR1084
Electrical Characteristics (Continued)
Typicals and limits appearing in normal type apply for TJ = 25oC. Limits appearing in Boldface type apply over
the entire operating junvtion temperature range.
Parameter
Symbol Conditions
Min Typ Max Unit
Load Regulation
'VOUT LR1084-ADJ, 0mAd IOUT d 5A,
VIN - VOUT = 3V
0.1 0.3 %
0.2 0.4
LR1084-1.5, 0mAd IOUT d 5A,
VIN - VOUT = 3V
3 15 mV
7 20
LR1084-1.8, 0mAd IOUT d 5A,
VIN - VOUT = 3V
3 15 mV
7 20
LR1084-2.5, 0mAd IOUT d 5A,
VIN - VOUT = 3V
3 15 mV
7 20
LR1084-2.85, 0mAd IOUT d 5A,
VIN - VOUT = 3V
3 15 mV
7 20
LR1084-3.3, 0mAd IOUT d 5A,
VIN - VOUT = 3V
3 15 mV
7 20
LR1084-5.0, 0mAd IOUT d 5A,
VIN - VOUT = 3V
5 20 mV
10 35
Dropout Voltage
IO = 5A, 'VREF,'VOUT= 1%
1.3 1.5 V
Current Limit
Minimum
Load Current
ILIMIT
VIN - VOUT = 3V,
VIN = 10V (LR1084-ADJ)
5.5 6.5
A
3 10 mA
Quiescent Current
VIN = 10V (LR1084)
5 10 mA
Ripple Rejection
fRIPPLE = 120Hz, COUT = 25PF Tantalum,
IOUT = 5A, VIN - VOUT = 3V
60
72
dB
Adjust Pin Current
VIN = 4.25V, IOUT = 10mA
55 120 PA
Adjust Pin Current
Change
10mA dIOUT d5A,
1.5Vd (VIN -VOUT) d 4.5V
0.2 5 PA
Temperature
Stability
IOUT = 10mA, VIN - VOUT = 1.5
0.5 %
Long Term Stability
TA = 125oC, 1000Hrs
0.5 %
RMS Noise
(% of VOUT)
Thermal Resistance
Junction -to-Case
QJC
10Hz df d10kHz
TO-263
TO-220
TO-252
0.003
3
3
%
0C / W
5/11
5 Page 
Mechanical Dimensions (Continued)
LESHAN RADIO COMPANY, LTD.
LR1084
f
¶f
TO-220
f
Unit: mm
f
e
e
f
f
f
11/11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet LR1084.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| LR1084 | Low dropout positive voltage regulators | LRC |
| 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 |