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LM2715MT-ADJ Scheda tecnica(PDF) 5 Page - National Semiconductor (TI) |
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LM2715MT-ADJ Scheda tecnica(HTML) 5 Page - National Semiconductor (TI) |
5 / 20 page Absolute Maximum Ratings (Note 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. V IN -0.3V to 12V SW Voltage -0.3V to 18V FB Voltage -0.3V to 2V V C Voltage 0.96V to 1.56V SWC Voltage -0.3V to 12V Supply Voltage, AV IN -0.3V to 12V Amplifier/Buffer Input Voltage Rail-to-Rail Amplifier/Buffer Output Voltage Rail-to-Rail Delay GND to 1.3V SWI -0.3V to 30V SWO -0.3V to 30V ESD Ratings (Note 3) Human Body Model 2kV Machine Model 200V Operating Conditions Operating Temperature −40˚C to +125˚C Storage Temperature −65˚C to +150˚C Supply Voltage, V IN 2.2V to 12V SW Voltage 17.5V Supply AV IN 4V to 12V SWI 2.2V to 30V Electrical Characteristics Specifications in standard type face are for T J = 25˚C and those with boldface type apply over the full Operating Tempera- ture Range (T J = −40˚C to +125˚C). Unless otherwise specified VIN =2.2V, AVIN = 8V, RCOM =RGAMMA =50 Ω,C COM = C GAMMA = 1nF. Switching Regulator Symbol Parameter Conditions Min (Note 4) Typ (Note 5) Max (Note 4) Units I Q Quiescent Current Not Switching, FB = 2V 1.6 2.3 mA Switching, switch open, FB = 0.1V 3.6 4.3 V FB Feedback Voltage 1.239 1.265 1.291 V %V FB/ ∆V IN Feedback Voltage Line Regulation 0.01 0.1 %/V I CL Switch Current Limit (Note 6) V IN = 2.5V, VOUT =8V 1.29 A R DSON Switch R DSON (Note 7) V IN = 2.5V 178 m Ω I B FB Pin Bias Current (Note 8) 60 200 nA V IN Input Voltage Range 2.2 12 V T SS Internal Soft Start Ramp Time 7mS g m Error Amp Transconductance ∆I = 5µA 85 110 270 µmho A V Error Amp Voltage Gain 135 V/V D MAX Maximum Duty Cycle 78 85 % f S Switching Frequency 1.0 1.25 1.5 MHz I L Switch Leakage Current V SW = 18V 0.1 20 µA UVP On Threshold 1.79 1.92 2.05 V Off Threshold 1.69 1.82 1.95 V Hysteresis 100 mV www.national.com 5 |
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