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TPS51427A датащи(PDF) 3 Page - Texas Instruments |
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TPS51427A датащи(HTML) 3 Page - Texas Instruments |
3 / 43 page ABSOLUTE MAXIMUM RATINGS (1) DISSIPATION RATINGS (1) RECOMMENDED OPERATING CONDITIONS TPS51427A www.ti.com .................................................................................................................................................. SLUS843B – MAY 2008 – REVISED SEPTEMBER 2008 Over operating free-air temperature range; all voltages are with respect to GND (unless otherwise noted). PARAMETER VALUE UNIT 5V voltage range V5DRV, V5FILT –0.3 to 7 VIN, ENLDO –0.3 to 30 VBST1, VBST2 –0.3 to 37 V VBST1, VBST2 (w.r.t. LLx) –0.3 to 7 Input voltage range(2) EN1, EN2, VOUT1, VOUT2, VFB1, REFIN2, TRIP1, TRIP2, SKIPSEL, –0.3 to 7 TONSEL, VSW, LDOREFIN TRIP1, TRIP2 –0.3 to (V5FILT + 0.3) DRVH1, DRVH2 –2 to 37 DRVH1, DRVH2 (w.r.t. LLx) –0.3 to 7 Output voltage LL1, LL2 –2 to 30 V range(2) DRVL1, DRVL2, VREF2, PGOOD1, PGOOD2, LDO, VREF3 –0.3 to 7 PGND –0.3 to 0.3 Tstg Storage temperature range –55 to +150 °C TJ Junction temperature range +150 (1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) All voltage values are with respect to the network ground terminal unless otherwise noted. TA < +25°C DERATING FACTOR TA = +85°C PACKAGE POWER RATING ABOVE TA = +25°C POWER RATING 32Ld 5 × 5 QFN 2.320 W 23.2 mW/°C 0.93 W (1) Dissipation ratings are calculated based on the usage of nine standard thermal vias and thermal pad soldered on the PCB. If thermal pad is not soldered to the PCB, the junction-to-ambient thermal resistance is 88.6°C/W. Over operating free-air temperature range (unless otherwise noted). MIN TYP MAX UNIT Supply input voltage range V5DRV, V5FILT 4.5 5.5 V Input voltage range VBST1, VBST2 –0.1 34 VBST1, VBST2 (with regard to LLx) –0.1 5.5 EN1, EN2, VOUT1, VFB1, REFIN2, TRIP1, TRIP2, SKIPSEL, TONSEL, –0.1 5.5 ENLDO,VSW, LDOREFIN VOUT2 –0.1 3.7 Output voltage range DRVH1, DRVH2 –0.8 34 V DRVH1, DRVH2 (w.r.t. LLx) –0.1 5.5 LL1, LL2 –0.8 28 DRVL1, DRVL2, VREF2, PGOOD1, PGOOD2, LDO, VREF3 –0.1 5.5 PGND –0.1 0.1 Operating free-air temperature, TA –40 +85 °C Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TPS51427A |
Аналогичный номер детали - TPS51427A_15 |
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Аналогичное описание - TPS51427A_15 |
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