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SPX1587U-3.3, SPX1587U-L, SPX1587U-L-1-8

Table of contents:
Info of SPX1587U-3.3
Info of SPX1587U-L
Info of SPX1587U-L-1-8

SPX1587U-3.3, SPX1587U-L, SPX1587U-L-1-8 Selling Leads, Datasheet

MFG:SIPEX Package Cooled:TO-220-3 D/C:08+

SPX1587U-3.3, SPX1587U-L, SPX1587U-L-1-8 Picture

SPX1587U-3.3, SPX1587U-L, SPX1587U-L-1-8 Datasheet download

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Part Number: SPX1587U-3.3

MFG: SIPEX

Package Cooled: TO-220-3

D/C: 08+

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SPX1587U-3.3 General Description

The SPX1587U-3.3 is one member of the SPX1587 series.The SPX1587 is a low power 3A adjustable and fixed voltage regulator that is very easy to use. It requires only 2 external resistors to set the output voltage for adjustable version.The SPX1587 are designed for low voltage applications that offers lower dropout voltage and faster transient response. This device is an excellent choice for use in powering low voltage microprocessor that 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 SPX1587 features low dropout of a maximum 1.2 volts.

Features of the SPX1587U-3.3 are:(1)adjustable output down to 1.2V;(2)fixed output voltages 1.5, 2.5, 3.3, 5.0V;(3)output current of 3A;(4)low dropout voltage 1.1V typ;(5)extremely tight load and line regulation;(6)current & thermal limiting;(7)standard 3-terminal low cost to-220 & to-263& to-252;(8)similar to industry standard LT1085/LT1585.The SPX1587 offers over current limit and full protection against reversed input polarity, reversed load insertion, and positive and negative transient voltage. On-Chip trimming adjusts the reference voltage to 1%.The IQ of this device flows into the load, which increases efficiency.

The absolute maximum ratings of the SPX1587U-3.3 can be summarized as:(1)lead temp. (soldering, 10 seconds):300°C;(2)storage temperature range :-65 to +150°C;(3)input voltage:10V ;(4)input to output voltage differential max:8.8V.The SPX1587U-3.3 incorporates protection against over-current faults, reversed load insertion, over temperature operation, and positive and negative transient voltage.However, the use of an output capacitor is required in order to improve the stability and the performances.Although the SPX1587U-3.3 offers some limiting circuitry for overload conditions, it is necessary not to exceed the maximum junction temperature, and therefore to be careful about thermal resistance. The heat flow will follow the lowest resistance path, which is the Junction-to-case thermal resistance. In order to insure the best thermal flow of the component, a proper mounting is required. Note that the case of the device is electrically connected to the output. In case the case has to be electrically isolated, a thermally conductive spacer can be used. However do not forget to consider its contribution to thermal resistance.

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