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TPS70845 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS70845 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 37 page www.ti.com DISSIPATION RATINGS RECOMMENDED OPERATING CONDITIONS TPS70845, TPS70848 TPS70851, TPS70858 TPS70802 SLVS301D – JUNE 2000 – REVISED DECEMBER 2007 DERATING PACKAGE AIR FLOW (CFM) TA ≤ +25°C TA = +70°C TA = +85°C FACTOR 0 3.067 W 30.67 mW/ °C 1.687 W 1.227 W PWP(1) 250 4.115 W 41.15 mW/ °C 2.265 W 1.646 W (1) This parameter is measured with the recommended copper heat sink pattern on a 4-layer PCB, 1 oz. copper on a 4-in by 4-in ground layer. Simultaneous and continuous operation of both regulator outputs at full load may exceed the power dissipation rating of the PWP package. For more information, refer to TI technical brief SLMA002. Over operating temperature range (unless otherwise noted). MIN MAX UNIT Input voltage, VI (1) (regulator 1 and 2) 2.7 6 V Output current, IO (regulator 1) 0 500 mA Output current, IO (regulator 2) 0 250 mA Output voltage range (for adjustable option) 1.22 5.5 V Operating virtual junction temperature, TJ –40 +125 °C (1) To calculate the minimum input voltage for maximum output current, use the following equation: VI(min) = VO(max) + VDO(max load). 4 Submit Documentation Feedback Copyright © 2000–2007, Texas Instruments Incorporated |
Similar Part No. - TPS70845_16 |
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Similar Description - TPS70845_16 |
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