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LD1085DT15R 数据表(PDF) 1 Page - STMicroelectronics |
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LD1085DT15R 数据表(HTML) 1 Page - STMicroelectronics |
1 / 27 page December 2007 Rev 19 1/27 27 LD1085xx 3 A low drop positive voltage regulator adjustable and fixed Features ■ Typical dropout 1.3 V (at 3 A) ■ Three terminal adjustable or fixed output voltage 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V. ■ Guaranteed output current up to 3 A ■ Output tolerance ±1% at 25 °C and ±2% in full temperature range ■ Internal power and thermal limit ■ Wide operating temperature range -40 °C to 125 °C ■ Package available: TO-220, TO-220FP, DPAK, D2PAK, D2PAK/A ■ Pinout compatibility with standard adjustable VREG Description The LD1085xx is a low drop voltage regulator able to provide up to 3 A of output current. Dropout is guaranteed at a maximum of 1.2 V at the maximum output current, decreasing at lower loads. The LD1085xx is pin to pin compatible with the older 3-terminal adjustable regulators, but has better performances in term of drop and output tolerance. A 2.85 V 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 LD1085xx quiescent current flows into the load, so increase efficiency. Only a 10 µF minimum capacitor is need for stability. The device is supplied in TO-220, TO-220FP, DPAK, D2PAK and D2PAK/A. On chip trimming allows the regulator to reach a very tight output voltage tolerance, within ±1% at 25 °C. TO-220FP D2PAK/A TO-220 D2PAK DPAK Table 1. Device summary Part number LD1085XX LD1085XX25 LD1085XX15 LD1085XX33 LD1085XX18 LD1085XX50 www.st.com |
类似零件编号 - LD1085DT15R |
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类似说明 - LD1085DT15R |
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