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TPS7A16XX-Q1 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS7A16XX-Q1 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 29 page 5 TPS7A1601-Q1, TPS7A1633-Q1, TPS7A1650-Q1 www.ti.com SBVS188D – MARCH 2012 – REVISED MAY 2016 Product Folder Links: TPS7A1601-Q1 TPS7A1633-Q1 TPS7A1650-Q1 Submit Documentation Feedback Copyright © 2012–2016, Texas Instruments Incorporated Thermal Information (continued) THERMAL METRIC(1) TPS7A16xx-Q1 UNIT DGN (HVSSOP) 8 PINS RθJC(bot) Junction-to-case(bottom) thermal resistance 14.9 °C/W (1) Maximum input voltage is limited to 24 V because of the package power dissipation limitations at full load (P ≈ (VIN – VOUT) × IOUT = (24 V – VREF) × 50 mA ≈ 1.14 W). The device is capable of sourcing a maximum current of 50 mA at higher input voltages as long as the power dissipated is within the thermal limits of the package plus any external heatsinking. (2) IFB > 0 flows out of the device. 6.5 Electrical Characteristics At TA= –40°C to 125°C, VIN = VOUT(NOM) + 0.5 V or VIN = 3 V (whichever is greater), VEN = VIN, IOUT = 10 µA, CIN = 1 μF, COUT = 2.2 μF, and FB tied to OUT, unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN Input voltage range 3 60 V VREF Internal reference TA = 25°C, VFB = VREF, VIN = 3 V, IOUT = 10 μA 1.169 1.193 1.217 V VUVLO Undervoltage lockout threshold 2.7 V VOUT Output voltage range VIN ≥ VOUT(NOM) + 0.5 V VREF 18.5 V Nominal accuracy TA = 25°C, VIN = 3 V, IOUT = 10 μA –2% 2% Overall accuracy VOUT(NOM) + 0.5 V ≤ VIN ≤ 60 V (1) 10 µA ≤ IOUT ≤ 100 mA –2% 2% ΔVO(ΔVI) Line regulation 3 V ≤ VIN ≤ 60 V ±1 %VOUT ΔVO(ΔIO) Load regulation 10 µA ≤ IOUT ≤ 100 mA ±1 %VOUT VDO Dropout voltage VIN = 4.5 V, VOUT(NOM) = 5 V, IOUT = 20 mA 60 mV VIN = 4.5 V, VOUT(NOM) = 5 V, IOUT = 100 mA 265 500 mV ILIM Current limit VOUT = 90% VOUT(NOM), VIN = 3.0 V 101 225 400 mA IQ Quiescent current 3 V ≤ VIN ≤ 60 V, IOUT = 10 µA 5 15 μA IOUT = 100 mA 5 μA ISHDN Shutdown supply current VEN = 0.4 V 0.59 5.0 μA I FB Feedback current(2) –1 0.0 1 µA IEN Enable current 3 V ≤ VIN ≤ 12 V, VIN = VEN –1 0.01 1 μA VEN_HI Enable high-level voltage 1.2 V VEN_LO Enable low- level voltage 0.3 V VIT PG trip threshold OUT pin floating, VFB increasing, VIN ≥ VIN_MIN 85 95 %VOUT OUT pin floating, VFB decreasing, VIN ≥ VIN_MIN 83 93 %VOUT VHYS PG trip hysteresis 2.3 4 %VOUT VPG, LO PG output low voltage OUT pin floating, VFB = 80% VREF, IPG= 1mA 0.4 V IPG, LKG PG leakage current VPG= VOUT(NOM) –1 1 μA IDELAY DELAY pin current 1 2 μA PSRR Power-supply rejection ratio VIN = 3 V, VOUT(NOM) = VREF, COUT = 10 μF, f = 100 Hz 50 dB TSD Thermal shutdown temperature Shutdown, temperature increasing 170 °C Reset, temperature decreasing 150 °C TA Operating ambient temperature range –40 125 °C |
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