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LE12AB Dataheets PDF



Part Number LE12AB
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description ERY LOW DROP VOLTAGE REGULATORS
Datasheet LE12AB DatasheetLE12AB Datasheet (PDF)

® LE00AB/C SERIES VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT s s s s s s s s s VERY LOW DROPOUT VOLTAGE (0.2V TYP.) VERY LOW QUIESCENT CURRENT (TYP. 50µA IN OFF MODE, 0.5mA IN ON MODE, NO LOAD) OUTPUT CURRENT UP TO 100 mA OUTPUT VOLTAGES OF 1.25; 1.5; 2.5; 2.7; 3; 3.3; 3.5; 4; 4.5; 4.7; 5; 5.2; 5.5; 6; 8V INTERNAL CURRENT AND THERMAL LIMIT ONLY 2.2µF FOR STABILITY AVAILABLE IN ± 1% (A) OR ± 2% (C) SELECTION AT 25 oC SUPPLY VOLTAGE REJECTION: 80 db (TYP.) TEMPERATURE RANGE: -40 TO 125 oC.

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® LE00AB/C SERIES VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT s s s s s s s s s VERY LOW DROPOUT VOLTAGE (0.2V TYP.) VERY LOW QUIESCENT CURRENT (TYP. 50µA IN OFF MODE, 0.5mA IN ON MODE, NO LOAD) OUTPUT CURRENT UP TO 100 mA OUTPUT VOLTAGES OF 1.25; 1.5; 2.5; 2.7; 3; 3.3; 3.5; 4; 4.5; 4.7; 5; 5.2; 5.5; 6; 8V INTERNAL CURRENT AND THERMAL LIMIT ONLY 2.2µF FOR STABILITY AVAILABLE IN ± 1% (A) OR ± 2% (C) SELECTION AT 25 oC SUPPLY VOLTAGE REJECTION: 80 db (TYP.) TEMPERATURE RANGE: -40 TO 125 oC SO-8 DESCRIPTION The LE00 regulator series are very Low Drop regulators available in SO-8 and TO-92 packages and in a wide range of output voltages. The very Low Drop voltage (0.2V) and the very low quiescent current make them particularly suitable for Low Noise Low Power applications and specially in battery powered systems. They are pin to pin compatible with the older L78L00 series. Furthermore in the 8 pin configuration (SO-8) they employ a Shutdown Logic Control (pin 5, TTL compatible). This means that when the device is used as a local SCHEMATIC DIAGRAM TO-92 regulator, it’s possible to put in stand by a part of the board even more decreasing the total power consumption. In the three terminal configuration (TO-92) the device is even in ON STATE, mantaining the same electrical performances. It needs only 2.2µF capacitor for stability allowing room and cost saving effect. September 1998 1/25 LE00AB/C ABSOLUTE MAXIMUM RATING Symbol Vi Io Pt ot T stg To p DC Input Voltage Output Current Power Dissipation Storage Temperature Range Operating Junction Temperature Range Parameter Value 20 Internally limited (*) Internally limited (*) - 40 to 150 - 40 to 125 o o Unit V C C (*) Our SO-8 package used for Voltage Regulators is modified internally to have pins 2, 3, 6 and 7 electrically commoned to the die attach flag. This particular frame decreases the total thermal resistance of the package and increases its ability to dissipate power when an appropriate area of copper on the printed circuit board is available for heatsinking. The external dimensions are the same as for the standard SO-8 TEST CIRCUITS Note: If the Inhibit pin is left floating, the regualtor is in ON mode. However, to avoid any noise picking-up, it is suggested to ground it when 2/25 LE00AB/C CONNECTION DIAGRAM AND ORDERING NUMBERS (top view) BOTTOM VIEW pin 1 = OUT pin 2 = GND pin 3 = IN SO-8 TO-92 ORDERING NUMBERS Type LE12AB LE12C LE15AB LE15C LE25AB LE25C LE27AB LE27C LE30AB LE30C LE33AB LE33C LE35AB LE35C LE40AB LE40C LE45AB LE45C LE47AB LE47C LE50AB LE50C LE52AB LE52C LE55AB LE55C LE60AB (*) LE60C (*) LE80AB (*) LE80C (*) LE120AB (*) LE120C (*) (*) Available on request SO-8 LE12ABD LE12CD LE15ABD LE15CD LE25ABD LE25CD LE27ABD LE27CD LE30ABD LE30CD LE33ABD LE33CD LE35ABD LE35CD LE40ABD LE40CD LE45ABD LE45CD LE47ABD LE47CD LE50ABD LE50CD LE52ABD LE52CD LE55ABD LE55CD LE60ABD LE60CD LE80ABD LE80CD LE120ABD LE120CD LE12ABZ LE12CZ LE15ABZ LE15CZ LE25ABZ LE25CZ LE27ABZ LE27C.


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