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LM3500TLX-16 Folha de dados(PDF) 3 Page - National Semiconductor (TI) |
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LM3500TLX-16 Folha de dados(HTML) 3 Page - National Semiconductor (TI) |
3 / 18 page Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. V IN −0.3V to 7.5V V OUT (LM3500-16)(Note 2) −0.3V to 16V V OUT (LM3500-21)(Note 2) −0.3V to 21V V SW(Note 2) −0.3V to V OUT+0.3V FB, SHDN, and NC Voltages −0.3V to 7.5V Maximum Junction Temperature 150˚C Lead Temperature (Note 3) 300˚C ESD Ratings (Note 4) Human Body Model 2kV Machine Model 200V Operating Conditions Ambient Temperature (Note 5) −40˚C to +85˚C Junction Temperature −40˚C to +125˚C Supply Voltage 2.7V to 7V Thermal Properties Junction to Ambient Thermal Resistance ( θ JA)(Note 6) 75˚C/W Electrical Characteristics Specifications in standard type face are for T A = 25˚C and those in boldface type apply over the Operating Temperature Range of T A = −10˚C to +85˚C. Unless otherwise specified VIN =2.7V and specification apply to both LM3500-16 and LM3500- 21. Symbol Parameter Conditions Min (Note 7) Typ (Note 8) Max (Note 7) Units I Q Quiescent Current, Device Not Switching FB > 0.54V 0.95 1.2 mA Quiescent Current, Device Switching FB = 0V 1.8 2.5 Shutdown SHDN = 0V 0.1 2 µA V FB Feedback Voltage V IN = 2.7V to 7V 0.47 0.5 0.53 V ∆V FB Feedback Voltage Line Regulation V IN = 2.7V to 7V 0.1 0.4 %/V I CL Switch Current Limit (LM3500-16) V IN = 2.7V, Duty Cycle = 80% 275 400 480 mA V IN = 3.0V, Duty Cycle = 70% 255 400 530 Switch Current Limit (LM3500-21) V IN = 2.7V, Duty Cycle = 70% 420 640 770 V IN = 3.0V, Duty Cycle = 63% 450 670 800 I B FB Pin Bias Current FB = 0.5V (Note 9) 45 200 nA V IN Input Voltage Range 2.7 7.0 V R DSON NMOS Switch R DSON V IN = 2.7V, ISW = 300mA 0.43 Ω PMOS Switch R DSON V OUT = 6V, ISW = 300mA 1.1 2.3 D Limit Duty Cycle Limit (LM3500-16) FB=0V 80 87 % Duty Cycle Limit (LM3500-21) FB=0V 85 94 F SW Switching Frequency 0.85 1.0 1.15 MHz I SD SHDN Pin Current (Note 10) SHDN = 5.5V 18 30 µA SHDN = 2.7V 9 16 SHDN = GND 0.1 www.national.com 3 |
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Descrição semelhante - LM3500TLX-16 |
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