Simple Switcher Step-Down Regulator lm267x series makes all the calculations for the integrated program. Tube information as well as application circuit is given in
Lm2678 properties
• Efficiency up to 92%
• Simple and easy to design with (using off-the-shelf external components)
• 120 mohm DMOS output switch
• 3.3V, 5V and 12V fixed output and adjustable (1.2V to 37V ) versions
• 50µA standby current when switched OFF
• ±2%maximum output tolerance over full line and load conditions
• Wide input voltage range: 8V to 40V
• 260 KHz fixed frequency internal oscillator
• -40 to +125°C operating junction temperature range
LM267X Made Simple Overview
LM267X Made Simple is an expert system for the automated design using National Semiconductors SIMPLE SWITCHER™ power converters. It is a member of Switchers Made Simple ® family of software products.
This software tool provides you with:
– a very easy to use graphical interface
– a simple control for viewing circuit behavior based on Vin.
– a database of approved components to select from.
– an interactive schematic for viewing your design.
– the ability to select from compatible alternate components.
– a Parts List display.
– a component supplier display
– the ability to save your designs to a design database.
– the ability to save the schematic image to a file or the clipboard.
– all the information you need to design a power supply.
Atmel AT89 Series Experiment Development Board
ATMEL AT89 series on various projects for the development of programming you can do trial and a circuit
Development board for AT89SXXXX This is a development board for ATMEL AT89 series or ATMEL ISP.It uses In-System Programming .Easy to use for developing your ATMEL MCS-51 base projects Support ATMEL AT89S series such as AT89S51, AT89S52, AT89S53, AT89S8252.(DIP 40 pin devices) Use In-System Programming(ISP).Low voltage programming RS232 X 1
LM267X Step-Down-Regler LM267X Desing Tool
Einfache Switcher Step-Down Regulator lm267x Serie macht alle Berechnungen für das integrierte Programm. Tube-Informationen sowie Applikations-Schaltung ist gegeben in
Lm2678 Immobilien
• Effizienz bis zu 92%
• Einfache und leicht zu entwerfen mit (mit externen Komponenten)
• 120 mohm DMOS-Ausgangsschalter
• 3.3V, 5V und 12V feste Ausgabe und verstellbare (1.2V bis 37V) Versionen
• 50μA Standby-Strom bei ausgeschaltetem Zustand
• ± 2% maximale Ausgangstoleranz über Voll- und Lastbedingungen
• Breiter Eingangsspannungsbereich: 8V bis 40V
• 260 kHz Festfrequenz interner Oszillator
• -40 bis + 125 ° C Betriebsstellentemperaturbereich