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TPS70251 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS70251 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 37 page TPS70245, TPS70248 TPS70251, TPS70258 TPS70202 SLVS286E – JUNE 2000 – REVISED DECEMBER 2009 www.ti.com DISSIPATION RATINGS DERATING PACKAGE AIR FLOW (CFM) TA ≤ +25°C TA = +70°C TA = +85°C FACTOR 0 3.067W 30.67mW/°C 1.687W 1.227W PWP(1) 250 4.115W 41.15mW/°C 2.265W 1.646W (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. For more information, refer to TI technical brief SLMA002. RECOMMENDED OPERATING CONDITIONS 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 © 2000–2009, Texas Instruments Incorporated |
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