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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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TPS630250YFFR Fiches technique(PDF) 5 Page - Texas Instruments |
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TPS630250YFFR Fiches technique(HTML) 5 Page - Texas Instruments |
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5 / 30 page  TPS630250 TPS630251, TPS630252 www.ti.com SLVSBJ9B – MAY 2014 – REVISED MARCH 2015 8.4 Thermal Information TPS63025x THERMAL METRIC(1) YFF (DSBGA) RNC (VQFN)(2) UNIT 20 PINS 14 PINS RθJA Junction-to-ambient thermal resistance 71.1 69.2 RθJC(top) Junction-to-case (top) thermal resistance 0.5 38.2 RθJB Junction-to-board thermal resistance 11.4 12.7 °C/W ψJT Junction-to-top characterization parameter 2 1.9 ψJB Junction-to-board characterization parameter 11.3 12.7 RθJC(bot) Junction-to-case (bottom) thermal resistance N/A N/A (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. (2) Product Preview 8.5 Electrical Characteristics VIN= 2.3V to 5.5V, TJ= –40°C to 125°C, typical values are at TA= 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY VIN Input voltage range 2.3 5.5 V VIN_Min Minimum input voltage to turn on into full load IOUT = 2A 2.8 V IOUT Continuos Output Current (1) VIN >=2.5V, VOUT=3.3V 2 A VIN IOUT = 0mA, EN = VIN = 3.6V, 35 70 μA IQ Quiescent current VOUT = 3.3V TJ = -40°C to 85°C, VOUT 12 μA not switching Isd Shutdown current EN = low, TJ = -40°C to 85°C 0.1 2 μA Under voltage lockout threshold VIN falling 1.6 1.7 2 V UVLO Under voltage lockout hysteresis 180 mV Thermal shutdown Temperature rising 140 °C Thermal Shutdown hysteresis 20 °C LOGIC SIGNALS EN, PFM/PWM VIH High level input voltage VIN = 2.3V to 5.5V 1.2 V VIL Low level input voltage VIN = 2.3V to 5.5V 0.4 V Ilkg Input leakage current EN = GND or VIN 0.01 0.2 μA OUTPUT VOUT Output Voltage range 2.3 3.6 V VFB Feedback regulation voltage 0.8 V VFB Feedback voltage accuracy PWM mode, TPS630250 -1% 1% VFB Feedback voltage accuracy (2) PFM mode, TPS630250 -1% 1.3% +3% VOUT Output voltage accuracy PWM mode, TPS630251 2.871 2.9 2.929 V VOUT Output voltage accuracy(2) PFM mode, TPS630251 2.871 2.938 2.987 V VOUT Output voltage accuracy PWM mode, TPS630252 3.267 3.3 3.333 V VOUT Output voltage accuracy(2) PFM mode, TPS630252 3.267 3.343 3.399 V IPWM/PFM Output current to enter PFM mode VIN = 3V; VOUT = 3.3V 350 mA IFB Feedback input bias current VFB = 0.8V 10 100 nA High side FET on-resistance VIN = 3.0V, VOUT = 3.3V 35 m Ω RDS_Buck(on) Low side FET on-resistance VIN = 3.0V, VOUT = 3.3V 50 m Ω High side FET on-resistance VIN = 3.0V, VOUT = 3.3V 25 m Ω RDS_Boost(on) Low side FET on-resistance VIN = 3.0V, VOUT = 3.3V 50 m Ω (1) For minimum output current in a specific working point see Figure 5 and Equation 1 trough Equation 4. (2) Conditions: L = 1 µH, COUT = 2 × 22 µF. Copyright © 2014–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPS630251 TPS630252 |
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