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TPS657052YZHT Datasheet(PDF) 5 Page - Texas Instruments |
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TPS657052YZHT Datasheet(HTML) 5 Page - Texas Instruments |
5 / 26 page TPS657051, TPS657052 www.ti.com SLVSA08A – FEBRUARY 2010 – REVISED SEPTEMBER 2015 7.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) MIN NOM MAX UNIT VIN1/2 Input voltage for step-down converter DCDC1 and DCDC2 3.3 6 V IOUTDCDC1/2 Output current at L 400 mA L Inductor at L 1.5 2.2 4.7 µH VINLDO Input voltage for LDO 1.7 6.0 V ILDO Output current at LDO 200 mA CINDCDC1/2 Input Capacitor at VIN1 and VIN2 4.7 µF COUTDCDC1/2 Output Capacitor at VOUT1, VOUT2 4.7 10 22 µF CINLDO Input Capacitor at VINLDO 2.2 µF COUTLDO Output Capacitor at VLDO 2.2 µF TA Operating ambient temperature –40 85 °C TJ Operating junction temperature –40 125 °C 7.4 Thermal Information TPS65705x THERMAL METRIC(1) YZH (DSBGA) UNIT 16 PINS RθJA Junction-to-ambient thermal resistance 75 °C/W RθJC(top) Junction-to-case (top) thermal resistance 22 °C/W RθJB Junction-to-board thermal resistance 26 °C/W ψJT Junction-to-top characterization parameter 0.2 °C/W ψJB Junction-to-board characterization parameter 24 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance N/A °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 Unless otherwise noted: VIN1 = VIN2 = VINLDO = 3.6 V, L = LQMP21P 2.2 µH, COUTDCDCx = 10 µF, COUTLDO = 2.2 µF, TA = –40°C to +85°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY CURRENT DCDC1 and DCDC2 enabled, IOUT = 0 mA, MODE =0 40 µA (PFM mode), LDO disabled DCDC1 or DCDC2 enabled, IOUT = 0 mA, Operating quiescent current DCDCx MODE =0 25 µA IQ (PFM mode), LDO disabled DCDC1 or DCDC2 enabled, IOUT = 0 mA. 4 mA MODE =1 (forced PWM mode), LDO disabled DCDC1 and DCDC2 disabled, LDO enabled. Operating quiescent current LDO 25 37 µA IOUT = 0 mA ISD Shutdown current DCDC1, DCDC2, and LDO disable 5 12 µA DIGITAL PINS (EN1, EN2, ENLDO, MODE) High-level input voltage for EN1, VIH 1.2 VCC V EN2, ENLDO, MODE Low-level input voltage for EN1, VIL 0.4 V EN2, ENLDO, MODE EN1, EN2, ENLDO, MODE tied to GND ILKG Input leakage current 0.01 0.1 μA or VIN = VIN2 STEP-DOWN CONVERTERS VIN1 Input voltage for DCDC1 3.3 6 V Copyright © 2010–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPS657051 TPS657052 |
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