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LD1086 Arkusz danych(PDF) 1 Page - STMicroelectronics |
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LD1086 Arkusz danych(HTML) 1 Page - STMicroelectronics |
1 / 21 page 1/21 February 2005 I TYPICAL DROPOUT 1.3V AT 1.5A I THREE TERMINAL ADJUSTABLE OR FIXED OUTPUT VOLTAGE 1.5V, 1.8V, 2.5V, 2.85V, 3.3V, 3.6V, 5V, 8V, 9V, 12V. I GUARANTEED OUTPUT CURRENT UP TO 1.5A I OUPUT TOLERANCE ±1% AT 25°C AND ±2% IN FULL TEMPERATURE RANGE I INTERNAL POWER AND THERMAL LIMIT I WIDE OPERATING TEMPERATURE RANGE -40°C TO 125°C I PACKAGE AVAILABLE: TO-220, D2PAK, D2PAK/A, DPAK I PINOUT COMPATIBILITY WITH STANDARD ADJUSTABLE VREG DESCRIPTION The LD1086 is a LOW DROP Voltage Regulator able to provide up to 1.5A of Output Current. Dropout is guaranteed at a maximum of 1.2V at the maximum output current, decreasing at lower loads. The LD1086 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 LD1086 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, D2PAK/A and DPAK. On chip trimming allows the regulator to reach a very tight output voltage tolerance, within ±1% at 25°C. Table 1: Order Codes (*) Available in Tape & Reel with the suffix "TR". TO-220 D2PAK (*) D2PAK/A (*) DPAK (*) OUTPUT VOLTAGE LD1086V15 LD1086D2T15 LD1086D2M15 LD1086DT15 1.5 V LD1086V18 LD1086D2T18 LD1086D2M18 LD1086DT18 1.8 V LD1086V25 LD1086D2T25 LD1086D2M25 LD1086DT25 2.5 V LD1086V28 LD1086D2T28 LD1086D2M28 LD1086DT28 2.85 V LD1086V33 LD1086D2T33 LD1086D2M33 LD1086DT33 3.3 V LD1086V36 LD1086D2T36 LD1086D2M36 LD1086DT36 3.6 V LD1086V50 LD1086D2T50 LD1086D2M50 LD1086DT50 5.0 V LD1086V80 LD1086D2T80 LD1086D2M80 LD1086DT80 8.0 V LD1086V90 LD1086D2T90 LD1086D2M90 LD1086DT90 9.0 V LD1086V12 LD1086D2T12 LD1086D2M12 LD1086DT12 12.0 V LD1086V LD1086D2T LD1086D2M LD1086DT ADJ LD1086 SERIES 1.5A LOW DROP POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXED TO-220 DPAK D2PAK D2PAK/A Rev. 13 |
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