Switch Disconnectors - 6 Pole, 8 Pole & Change Over

文件：371.63 Kbytes 页数：2 Pages

EUROPA

Photo DMOS-FET Relay

Description The LT638 is a 1-Form A solid state relay in a 4 pin SMD package that employs optically coupled MOSFET technology to provide 3750V/5000V of input to output isolation. The optically coupled input is controlled by a highly efficient GaAlAs infrared LED and MOS FETs on the output side

文件：151.46 Kbytes 页数：4 Pages

LETEX

丽太科技

48V-to-5V DC-DC Converter Using MAX638 Switching Step-Down Regulator Borrows Power from Phone Lines

The telephone subscriber lines provide -48V voltage, but the equipment on the customer premises is usually operated from a lower voltage. The circuit using MAX638 illustrates a conversion of this available voltage to 5V required in modems, telephone test sets, and other portable systems connected

文件：29.24 Kbytes 页数：4 Pages

Dallas

5V/Adjustable CMOS Step-down Switching Regulator

General Description The MAX638 step-down switching regulator is designed for minimum component, low power, DC-DC conversion. Applications    Efficient DC-DC Step-Down Regulation    Linear Voltage Regulator Replacement    +12V to +5V Conversion    Battery Life Extension    Portable Instrumen

文件：291.63 Kbytes 页数：8 Pages

Maxim

美信