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LD1084 Datasheet(PDF) 1 Page - STMicroelectronics |
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LD1084 Datasheet(HTML) 1 Page - STMicroelectronics |
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1/18 May 2003 s TYPICAL DROPOUT 1.3V (AT 5A) s THREE TERMINAL ADJUSTABLE OR FIXED OUTPUT VOLTAGE 1.5, 1.8V, 2.5V, 2.85V, 3.3V,3.6V, 5V,8V, 9V,12V. s GUARANTEED OUTPUT CURRENT UP TO 5A s OUPUT TOLERANCE ±1% AT 25°C AND ±2% IN FULL TEMPERATURE RANGE s INTERNAL POWER AND THERMAL LIMIT s WIDE OPERATING TEMPERATURE RANGE -40°C TO 125°C s PACKAGE AVAILABLE : TO-220, D2PAK, D2PAK/A s PINOUT COMPATIBILITY WITH STANDARD ADJUSTABLE VREG DESCRIPTION The LD1084 is a LOW DROP Voltage Regulator able to provide up to 5A of Output Current. Dropout is guaranteed at a maximum of 1.5V at the maximum output current, decreasing at lower loads. The LD1084 is pin to pin compatible with the older 3-terminal adjustable regulators, but has better performances in term of drop and output tolerance . A 2.85V output version is suitable for SCSI-2 active termination. Unlike PNP regulators, where a part of the output current is wasted as quiescent current, the LD1084 quiescent current flows into the load, so increase efficiency. Only a 10µF minimum capacitor is need for stability. The device is supplied in TO-220, D2PAK and D2PAK/A. On chip trimming allows the regulator to reach a very tight output voltage tolerance, within ±1% at 25°C. LD1084 SERIES 5A LOW DROP POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXED SCHEMATIC DIAGRAM TO-220 D2PAK D2PAK/A |
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