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FDG326P Scheda tecnica(PDF) 5 Page - Texas Instruments |
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FDG326P Scheda tecnica(HTML) 5 Page - Texas Instruments |
5 / 29 page TPS75003-EP www.ti.com SGLS311A – DECEMBER 2006 – REVISED MARCH 2011 ELECTRICAL CHARACTERISTICS (continued) VEN1 = VIN1, VEN2 = VIN2, VEN3 = VIN3, VIN1 = VIN2 = 2.2 V, VIN3 = 3 V, VOUT3 = 2.5V, COUT1 = COUT2 = 47 μF, COUT3 = 2.2 μF, TA = -55°C to 125°C, unless otherwise noted. Typical values are at TA = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNIT LDO VOUT3 Output voltage range (4) 1 6.5 - VDO V VFB3 Feedback pin voltage 0.507 V 2.95 V ≤ VIN3 ≤ 6.5 V Feedback pin voltage accuracy(5) ±4% 1 mA ≤ IOUT3 ≤ 300 mA ΔVOUT%/ΔVIN Line regulation(5) VOUT3 + 0.5V ≤ VIN3 ≤ 6.5 V 0.075 % / V ΔVOUT%/ΔIOUT Load regulation 10 mA ≤ IOUT3 ≤ 300 mA 0.01 % / mA Dropout voltage VDO IOUT3 = 300 mA 250 350 mV (VIN = VOUT(NOM) - 0.1) (6) ICL3 Current limit VOUT = 0.9 x VOUT(NOM) 375 600 1000 mA IFB3 Current into FB3 pin 0.03 0.1 μA BW = 100 Hz - 100 kHz, Vn Output noise 400 μVRMS IOUT3 = 300 mA Shutdown, temperature increasing 175 Thermal shutdown temperature for tSD °C LDO Reset, temperature decreasing 160 Undervoltage lockout threshold VIN rising 1.8 V UVLO Undervoltage lockout hysteresis VIN falling 100 mV (4) Maximum VOUT is dependent on external components and will be less than VIN. Parameter is not production tested. (5) To be in regulation, minimum VIN1 (or VIN2) must be greater than VOUT1,NOM (or VOUT2,NOM) by an amount determined by external components. Minimum VIN3 = VOUT3 + VDO or 2.2 V, whichever is greater. (6) VDO does not apply when VOUT + VDO < 2.2 V. Copyright © 2006–2011, Texas Instruments Incorporated 5 Product Folder Link(s): TPS75003-EP |
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