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LM2852YMXA-2.5 Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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LM2852YMXA-2.5 Datasheet(HTML) 4 Page - National Semiconductor (TI) |
4 / 14 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. PVIN, AVIN, EN, SNS −0.3V to 6.5V 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) Vapor Phase (60 sec) Soldering (10 sec) 220˚C 215˚C 260˚C Operating Ratings PVIN to GND 1.5V to 5.5V AVIN to GND 2.85V to 5.5V Junction Temperature −40˚C to +125˚C θ JA 38˚C/W Electrical Characteristics AVIN = PVIN = 5V unless otherwise indicated under the Conditions column. Limits in standard type are for T J = 25˚C only; limits in boldface type apply over the junction temperature (TJ) range of -40˚C to +125˚C. Minimum and Maximum limits are guaranteed through test, design, or statistical correlation. Typical values repre- sent the most likely parametric norm at T J = 25˚C, and are provided for reference purposes only. Symbol Parameter Conditions Min Typ Max Units SYSTEM PARAMETERS V OUT Voltage Tolerance 3 V OUT = 0.8V option 0.782 0.818 V V OUT = 1.0V option 0.9775 1.0225 V OUT = 1.2V option 1.1730 1.2270 V OUT = 1.5V option 1.4663 1.5337 V OUT = 1.8V option 1.7595 1.8405 V OUT = 2.5V option 2.4437 2.5563 V OUT = 3.0V option 2.9325 3.0675 V OUT = 3.3V option 3.2257 3.3743 ∆V OUT/ ∆AVIN Line Regulation 3 V OUT = 0.8V, 1.0V, 1.2V, 1.5V, 1.8V or 2.5V 2.85V ≤ AVIN ≤ 5.5V 0.2 0.6 % V OUT = 3.3V 3.5V ≤ AVIN ≤ 5.5V 0.2 0.6 % ∆V OUT/ ∆I O Load Regulation Normal operation 8 mV/A V ON UVLO Threshold (AVIN) Rising 2.47 2.85 V Falling Hysteresis 85 150 210 mV r DSON-P PFET On Resistance Isw=2A 75 140 m Ω r DSON-N NFET On Resistance Isw=2A 55 120 m Ω R SS Soft-start resistance 400 k Ω I CL Peak Current Limit Threshold LM2852X 2.75 4 4.95 A LM2852Y 2.25 3 3.65 I Q Operating Current Non-switching 0.85 2 mA I SD Shutdown Quiescent Current EN=0V 10 25 µA R SNS Sense pin resistance 400 k Ω PWM f osc LM2852X 1500kHz option. 1050 1500 1825 kHz LM2852Y 500kHz option. 325 500 625 kHz www.national.com 4 |
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