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TPS56428 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS56428 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 30 page  TPS56428 www.ti.com SLVSBV4B – APRIL 2013 – REVISED OCTOBER 2015 7.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) MIN MAX UNIT VIN Supply input voltage range 4.5 18 V VBST –0.1 24 VBST (10 ns transient) -0.1 27 VBST(vs SW) –0.1 6.0 PG –0.1 5.7 VI Input voltage range EN –0.1 18 V VFB –0.1 5.5 SW –1.8 18 SW (10 ns transient) –3 21 GND –0.1 0.1 VO Output voltage range VREG5 –0.1 5.7 V IO Output Current range IVREG5 0 5 mA TA Operating free-air temperature –40 85 °C TJ Operating junction temperature –40 150 °C 7.4 Thermal Information TPS56428 THERMAL METRIC(1) DDA RHL UNIT 8 PINS 14 PINS RθJA Junction-to-ambient thermal resistance 44.4 45.2 °C/W RθJC(top) Junction-to-case (top) thermal resistance 51.6 50.7 °C/W RθJB Junction-to-board thermal resistance 27.8 21.4 °C/W ψJT Junction-to-top characterization parameter 8.7 0.9 °C/W ψJB Junction-to-board characterization parameter 27.7 21.6 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance 5.3 3.5 °C/W (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 7.5 Electrical Characteristics over operating free-air temperature range, VIN = 12 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY CURRENT VIN current, TA = 25°C, EN = 5 V, IVIN Operating - non-switching supply current 170 350 μA VFB = 0.7 V IVINSDN Shutdown supply current VIN current, TA = 25°C, EN = 0 V 3.8 10 μA LOGIC THRESHOLD VENH EN high-level input voltage EN 1.6 V VENL EN low-level input voltage EN 0.6 V REN EN pin resistance to GND VEN = 12 V 180 350 700 k Ω VFB VOLTAGE AND DISCHARGE RESISTANCE TA = 25°C, VO = 1.05 V, IO = 10 mA, 606 advanced Eco-mode™ operation TA = 25°C, VO = 1.05 V, continuous mode VFBTH VFB threshold voltage mV 593 600 607 operation TA = –40°C to 85°C , VO = 1.05V, continuous 588 600 612 mode operation(1) IVFB VFB input current VFB = 0.7 V, TA = 25°C 0 ±0.15 µA (1) Not production tested. Copyright © 2013–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPS56428 |
Similar Part No. - TPS56428_16 |
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Similar Description - TPS56428_16 |
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