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TPS65185RSLR Datasheet(PDF) 6 Page - Texas Instruments |
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TPS65185RSLR Datasheet(HTML) 6 Page - Texas Instruments |
6 / 61 page 6 TPS65185, TPS651851 SLVSAQ8E – FEBRUARY 2011 – REVISED FEBRUARY 2017 www.ti.com Product Folder Links: TPS65185 TPS651851 Submit Documentation Feedback Copyright © 2011–2017, Texas Instruments Incorporated (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report. 7.4 Thermal Information THERMAL METRIC(1) TPS65185 TPS651851 UNIT RGZ (VQFN) RSL (VQFN) RSL (VQFN) 48 PINS 48 PINS 48 PINS RθJA Junction-to-ambient thermal resistance 30 30 30 °C/W RθJC(top) Junction-to-case (top) thermal resistance 15.6 16.2 16.2 °C/W RθJB Junction-to-board thermal resistance 6.6 5.1 5.1 °C/W ψJT Junction-to-top characterization parameter 0.2 0.2 0.2 °C/W ψJB Junction-to-board characterization parameter 6.6 5.1 5.1 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance 0.9 0.9 0.9 °C/W 7.5 Electrical Characteristics PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT VOLTAGE VIN Input voltage range 3 3.7 6 V VUVLO Undervoltage lockout threshold VIN falling 2.9 V VHYS Undervoltage lockout hysteresis VIN rising 400 mV INPUT CURRENT IQ Operating quiescent current into VIN Device switching, no load 5.5 mA ISTD Operating quiescent current into VIN Device in standby mode 130 µA ISLEEP Shutdown current Device in sleep mode 3.5 10 µA INTERNAL SUPPLIES VINT_LDO Internal supply 2.7 V CINT_LDO Nominal output capacitor Capacitor tolerance ±10% 1 4.7 µF VREF Internal supply 2.25 V CREF Nominal output capacitor Capacitor tolerance ±10% 3.3 4.7 µF DCDC1 (POSITIVE BOOST REGULATOR) VIN Input voltage range 3 3.7 6 V PG Power good threshold Fraction of nominal output voltage 90% Power good time-out Not tested in production 50 ms VOUT Output voltage range 16 V DC set tolerance –4.5% 4.5% IOUT Output current 250 mA RDS(ON) MOSFET on resistance VIN = 3.7 V 350 m Ω ILIMIT Switch current limit (TPS65185) 1.5 A Switch current limit (TPS651851) 2.5 Switch current accuracy –30% 30% fSW Switching frequency 1 MHz LDCDC1 Inductor 2.2 µH CDCDC1 Nominal output capacitor Capacitor tolerance ±10% 1 2 × 4.7 µF ESR Output capacitor ESR 20 m Ω DCDC2 (INVERTING BUCK-BOOST REGULATOR) VIN Input voltage range 3 3.7 6 V PG Power good threshold Fraction of nominal output voltage 90% Power good time-out Not tested in production 50 ms VOUT Output voltage range –16 V DC set tolerance –4.5% 4.5% IOUT Output current 250 mA |
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