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PDF LM3940J Data sheet ( Hoja de datos )
| Número de pieza | LM3940J | |
| Descripción | 1.25A High Current Low Dropout | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LM3940J (archivo pdf) en la parte inferior de esta página. Total 3 Páginas | ||
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Bay Linearwww.DataSheet4U.com
Inspire the Linear Power
1.25A High Current Low Dropout
Voltage Regulator for Convert 5V & 3.3V
LM3940
Description
The Bay Linear LM3940 is a 1.25A high accuracy, low dropout
voltage regulator with only 40mV at light loads and
350mV(Typ.)@ 1.0A) and low quiescent current of 240µA typical.
The LM3940 is designed for low voltage a application that requires
lower dropout voltage and faster transient response. This device is
an excellent choice for use in powering low voltage applications
where require a lower dropout, faster transient response to regulate
from +2.5V to 3.8V supplies and as a post regulator for switching
supplies applications.
The LM3940 offers full protection against over-current faults,
reversed input polarity, reversed load insertion, and positive and
negative transient voltage. On-Chip trimming adjusts the reference
voltage to 1%.
The LM3940 are offered in a 3-pin SOT-223, TO-220 & TO-263
package compatible with other 3 terminal regulators. The LM3940
is also offer in a new LPDD (Low Profile TO-263) package from
4.47 mm (DD) tickness down to only 1.27 mm (LPDD) total
tickness.
Features
• High output accuracy of 1%
• Fix Output 5.0v & 3.3V
• Output Current of 1.25A
• Low Dropout Voltage
• Low quiescent current
• Extremely Tight Load & Line Regulation
• Reverse-battery and “Load Dump” Protection
• Zero Current Shutdown Mode (5-pin version)
• Offer in TO-263, TO-252, TO-220, SOT-223, &
New Slim LPDD
• Similar to industry Standard LM3940
Applications
• Powering VGA & Sound Card
• LCD Monitor
• Battery Powered Equipments/Laptop & Notebook
• SMPS Post Regulator / DC to DC Modules
• High Efficiency Linear Power Supply
• Adjustable Power Supply
• Bar Code Scanners
Pin Connection
Ordering Information
Devices
LM3940T
LM3940S
LM3940D
LM3940N
LM3940J
XX=Output Voltage
Package
TO-220-3
TO-263-3
TO-252
SOT-223-3
LPDD-3
Temp.
-40 °C to 125 °C
-40 °C to 125 °C
-40 °C to 125 °C
-40 °C to 125 °C
-40 °C to 125 °C
Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 989-7144, Fax: (925) 940-9556
www.baylinear.com
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet LM3940J.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| LM3940 | 1A Low Dropout Regulator for 5V to 3.3V Conversion |  National Semiconductor |
| LM3940 | 1.25A High Current Low Dropout | ETC |
| LM3940 | LM3940 1-A Low-Dropout Regulator for 5-V to 3.3-V Conversion (Rev. G) |  Texas Instruments |
| LM3940D | 1.25A High Current Low Dropout | ETC |
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