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TPS650243RHBT Datasheet(PDF) 7 Page - Texas Instruments |
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TPS650243RHBT Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 38 page  TPS650240, TPS650241, TPS650242 TPS650243, TPS650244, TPS650245 www.ti.com SLVS774C – JUNE 2007 – REVISED JANUARY 2016 Recommended Operating Conditions (continued) MIN NOM MAX UNIT ILDO1,2 Output current at VLDO1, VLDO2 200 mA CVRTC Output capacitor at Vdd_alive(2) 2.2 μF IVdd_alive Output current at Vdd_alive 30 mA TA Operating ambient temperature –40 85 °C TJ Operating junction temperature –40 125 °C RCC Resistor from VINDCDC3,VINDCDC2, VINDCDC1 to VCC used for filtering (3) 1 10 Ω (3) Up to 2.5-mA can flow into VCC when all 3 converters are running in PWM, this resistor causes the UVLO threshold to be shifted accordingly. 8.4 Thermal Information TPS650240 THERMAL METRIC(1) RHB (VQFN) UNIT 32 PINS RθJA Junction-to-ambient thermal resistance 32.2 °C/W RθJC(top) Junction-to-case (top) thermal resistance 22.0 °C/W RθJB Junction-to-board thermal resistance 6.2 °C/W ψJT Junction-to-top characterization parameter 0.3 °C/W ψJB Junction-to-board characterization parameter 6.1 °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). 8.5 Electrical Characteristics: Control Signals and Supply Pins VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 3.6 V, TA = –40°C to +85°C, typical values are at TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP( MAX UNIT 1) CONTROL SIGNALS: EN_DCDC1, EN_DCDC2, EN_DCDC3, EN_LDO, MODE, EN_VDD_ALIVE VIH High level input voltage 1.45 VCC V VIL Low level input voltage 0 0.4 V IH Input bias current 0.01 0.1 μA SUPPLY PINS: VCC, VINDCDC1, VINDCDC2, VINDCDC3 PFM all 3 DCDC converters enabled, zero load 135 170 and no switching, LDOs enabled PFM all 3 DCDC converters enabled, zero load and no switching, LDO1, LDO2 = OFF, 75 100 Vdd_alive = ON I(qPFM) Operating quiescent current VCC = 3.6 V uA PFM DCDC1 and DCDC2 converters enabled, zero load and no switching, 55 80 LDO1, LDO2 = OFF, Vdd_alive = ON PFM DCDC1 converter enabled, zero load and no switching, LDO1, LDO2 = OFF, 40 60 Vdd_alive = ON All 3 DCDC converters enabled 2 and running in PWM, LDOs off PWM DCDC1 and DCDC2 converters enabled IVcc(PWM) Current into VCC; PWM VCC = 3.6 V 1.5 2.5 mA and running in PWM, LDOs off PWM DCDC1 converter enabled 0.85 2 and running in PWM, LDOs off (1) Typical values are at TA = 25°C Copyright © 2007–2016, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: TPS650240 TPS650241 TPS650242 TPS650243 TPS650244 TPS650245 |
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