Datenblatt-Suchmaschine für elektronische Bauteile |
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LM2853MH-1.8 Datenblatt(PDF) 3 Page - National Semiconductor (TI) |
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LM2853MH-1.8 Datenblatt(HTML) 3 Page - National Semiconductor (TI) |
3 / 12 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. AVIN, PVIN, EN, SNS, SW, SS −0.3V to 6.0V ESD Susceptibility (Note 2) 2kV Power Dissipation Internally Limited Storage Temperature Range −65˚C to +150˚C Maximum Junction Temp. 150˚C 14-Pin Exposed Pad TSSOP Package Infrared (15 sec) 220˚C Vapor Phase (60 sec) 215˚C Soldering (10 sec) 260˚C Operating Ratings (Note 1) PVIN to GND 1.5V to 5.5V AVIN to GND 3.0V to 5.5V Junction Temperature −40˚C to +125˚C Electrical Characteristics Specifications with standard typeface are for T J = 25˚C, and those in bold face type apply over the full Junction Temperature Range (−40˚C to 125˚C). Minimum and Maximum limits are guaranteed through test, design or statistical correlation. Typical values represent the most likely parametric norm at T J = 25˚C and are provided for reference purposes only. Unless otherwise specified AVIN = PVIN = 5V. Symbol Parameter Conditions Min Typ Max Units SYSTEM PARAMETERS V OUT Voltage Tolerance (Note 3) V OUT = 0.8V option 0.782 0.8 0.818 V V OUT = 1.0V option 0.9775 1.0 1.0225 V OUT = 1.2V option 1.1730 1.2 1.227 V OUT = 1.5V option 1.4663 1.5 1.5337 V OUT = 1.8V option 1.7595 1.8 1.8405 V OUT = 2.5V option 2.4437 2.5 2.5563 V OUT = 3.0V option 2.9325 3.0 3.0675 V OUT = 3.3V option 3.2257 3.3 3.3743 ∆V OUT/ ∆AVIN Line Regulation (Note 3) V OUT = 0.8V, 1.0V, 1.2V, 1.5V, 1.8V or 2.5V 3.0V ≤ AVIN ≤ 5.5V 0.2 1.1 % V OUT = 3.0V or 3.3V 3.5V ≤ AVIN ≤ 5.5V 0.2 1.1 % ∆V OUT/ ∆I O Load Regulation Normal operation 2 mV/A V ON UVLO Threshold (AVIN) Rising 2.47 3.0 V Falling Hysteresis 50 155 260 mV R DS(ON)-P PFET On Resistance Isw = 3A 40 120 m Ω R DS(ON)-N NFET On Resistance Isw = 3A 32 100 m Ω R SS Soft-Start Resistance 450 k Ω I CL Peak Current Limit Threshold 3.6 5A I Q Operating Current Non-switching 0.85 2 mA I SD Shutdown Quiescent Current EN = 0V 12 50 µA R SNS Sense Pin Resistance 432 k Ω PWM f osc Switching Frequency . 325 550 725 kHz D range Duty Cycle Range 0 100 % ENABLE CONTROL (Note 4) V IH EN Pin Minimum High Input 75 %of AVIN V IL EN Pin Maximum Low Input 25 %of AVIN I EN EN Pin Pullup Current EN = 0V 1.5 µA www.national.com 3 |
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Ähnliche Beschreibung - LM2853MH-1.8 |
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