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TPS56520PWPR Datasheet(PDF) 7 Page - Texas Instruments |
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TPS56520PWPR Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 51 page  7 TPS56C20, TPS56920, TPS56720, TPS56520 www.ti.com SLVSCB6E – NOVEMBER 2013 – REVISED DECEMBER 2017 Product Folder Links: TPS56C20 TPS56920 TPS56720 TPS56520 Submit Documentation Feedback Copyright © 2013–2017, Texas Instruments Incorporated (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 7.4 Thermal Information THERMAL METRIC(1) TPS56520/720/920 TPS56C20 UNIT PWP (20) PWP (24) θJA Junction-to-ambient thermal resistance 36.8 32.8 °C/W θJCtop Junction-to-case (top) thermal resistance 22.5 16 θJB Junction-to-board thermal resistance 19.5 14.2 ψJT Junction-to-top characterization parameter 0.6 0.4 ψJB Junction-to-board characterization parameter 19.2 14 θJCbot Junction-to-case (bottom) thermal resistance 1.4 0.8 7.5 Electrical Characteristics TJ = –40°C to 125°C, VIN=4.5V to 17V, PVIN=4.5V to 17V (Unless otherwise noted) PARAMETER CONDITIONS MIN TYP MAX UNIT SUPPLY VOLTAGE VIN Operating input voltage VIN, PVIN 4.5 17 V IIN VIN supply current 25°C, EN=5V, VFB=0.8V (non switching), VIN=12V 920 1150 µA IVINSDN VIN shutdown current 25°C, EN=0V, VIN=12V 140 200 µA FEEDBACK VOLTAGE VVFB VFB voltage 25°C, external regulation mode, PVIN=12V, VOUT=1.1V, IOUT=50mA, pulse skipping 0.594 0.6 0.606 V 25°C, external regulation mode, VOUT=1.1V, continuous current mode 0.594 0.6 0.606 V External regulation mode, VOUT=1.1V, continuous current mode 0.591 0.6 0.609 V VOUT VOLTAGE (INTERNAL VID CONTROL) VVOUT VOUT voltage 25°C, relative to target VOUT, PVIN=12V, VOUT=0.6V~1.87V, LOUT=1.5µH –1% 0% 1% Target VOUT Relative to target VOUT, PVIN=12V, LOUT=1.5µH –1.5% 0% 1.5% Relative to target VOUT, LOUT=1.5µH –2% 0% 2% VREG5 OUTPUT VVREG5 VREG5 Output Voltage 25°C , 6V< VIN <17V, IVREG5 = 5mA, VFB=1V 5.2 5.5 5.7 V MOSFET rDS(on)H High side switch resistance TPS56520 VBST-SW=5.5V 44 mΩ rDS(on)L Low side switch resistance TPS56520 VIN=12V 32 mΩ rDS(on)H High side switch resistance TPS56720 VBST-SW=5.5V 30 mΩ rDS(on)L Low side switch resistance TPS56720 VIN=12V 24 mΩ rDS(on)H High side switch resistance TPS56920 VBST-SW=5.5V 26 mΩ rDS(on)L Low side switch resistance TPS56920 VIN=12V 19 mΩ rDS(on)H High side switch resistance TPS56C20 VBST-SW=5.5V 13 mΩ rDS(on)L Low side switch resistanceTPS56C20 VIN=12V 9 mΩ POWER GOOD VPGOODTH PGOOD threshold VOUT or VFB falling (fault) VO=1.1V 80% VOUT or VFB rising (good) VO=1.1V 85% VOUT or VFB rising (fault) VO=1.1V 115% VOUT or VFB falling (good) VO=1.1V 110% IPGOODDLY PGOOD sink current VPGOOD=0.5V 3.15 5.2 mA |
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