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TPS65020 Datasheet(PDF) 7 Page - Texas Instruments |
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TPS65020 Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 53 page  TPS65020 www.ti.com SLVS607D – SEPTEMBER 2005 – REVISED JANUARY 2016 Recommended Operating Conditions (continued) over operating free-air temperature range (unless otherwise noted) MIN NOM MAX UNIT CO(VRTC) Output capacitor at VRTC (2) 4.7 μF TA Operating ambient temperature –40 85 °C TJ Operating junction temperature –40 125 °C Resistor from VINDCDC3, VINDCDC2, VINDCDC1 to VCC used for 1 10 Ω filtering(3) (3) Up to 3 mA can flow into VCC when all 3 converters are running in PWM. This resistor causes the UVLO threshold to be shifted accordingly. 7.4 Thermal Information TPS65020 THERMAL METRIC(1) RHA (VQFN) UNIT 40 PINS RθJA Junction-to-ambient thermal resistance 31.6 °C/W RθJC(top) Junction-to-case (top) thermal resistance 18.2 °C/W RθJB Junction-to-board thermal resistance 6.6 °C/W ψJT Junction-to-top characterization parameter 0.2 °C/W ψJB Junction-to-board characterization parameter 6.5 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance 1.7 °C/W (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953. 7.5 Electrical Characteristics VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 3.6 V, VBACKUP = 3 V, TA = –40°C to 85°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT CONTROL SIGNALS: SCLK, SDAT (INPUT), DCDC1_EN, DCDC2_EN, DCDC3_EN, LDO_EN VIH High level input voltage Rpullup = 4.7 k Ω, pulled to VRTC 1.3 VCC V VIL Low level input voltage Rpullup = 4.7 k Ω, pulled to VRTC 0 0.4 V IH Input bias current 0.01 0.1 μA CONTROL SIGNALS: HOT_RESET VIH High level input voltage 1.3 VCC V VIL Low level input voltage 0 0.4 V Pullup resistor at HOT_RESET, 1000 k Ω connected to VCC tdeglitch Deglitch time at HOT_RESET 25 30 35 ms CONTROL SIGNALS: LOWBAT, PWRFAIL, RESPWRON, INT, SDAT (OUTPUT) VOH High level output voltage 6 V VOL Low level output voltage IIL = 5 mA 0 0.3 V Duration of low pulse at RESPWRON External capacitor 1 nF 100 ms Internal charge / discharge current on ICONST Used for generating RESPWRON delay 1.7 2 2.3 μA pin TRESPWRON TRESPWRON_ Internal lower comparator threshold on Used for generating RESPWRON delay 0.225 0.25 0.275 V LOWTH pin TRESPWRON TRESPWRON_ Internal upper comparator threshold Used for generating RESPWRON delay 0.97 1 1.103 V UPTH on pin TRESPWRON Resetpwron threshold VRTC falling –3% 2.4 3% V Resetpwron threshold VRTC rising –3% 2.52 3% V (1) Typical values are at TA = 25°C Copyright © 2005–2016, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: TPS65020 |
Similar Part No. - TPS65020_16 |
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