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LM2852YMXAX-1.3 Datasheet(PDF) 4 Page - Texas Instruments |
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LM2852YMXAX-1.3 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 23 page LM2852 SNVS325D – JANUARY 2005 – REVISED APRIL 2013 www.ti.com Electrical Characteristics AVIN = PVIN = 5V unless otherwise indicated under the Conditions column. Limits in standard type are for TJ = 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 ensured through test, design, or statistical correlation. Typical values represent the most likely parametric norm at TJ = 25°C, and are provided for reference purposes only. Symbol Parameter Conditions Min Typ Max Units SYSTEM PARAMETERS VOUT VOUT = 0.8V option 0.782 0.818 VOUT = 1.0V option 0.9775 1.0225 VOUT = 1.2V option 1.1730 1.2270 VOUT = 1.5V option 1.4663 1.5337 Voltage V Tolerance(1) VOUT = 1.8V option 1.7595 1.8405 VOUT = 2.5V option 2.4437 2.5563 VOUT = 3.0V option 2.9325 3.0675 VOUT = 3.3V option 3.2257 3.3743 ΔVOUT/ΔAVIN VOUT = 0.8V, 1.0V, 1.2V, 1.5V, 1.8V or 2.5V 0.2 0.6 % 2.85V ≤ AVIN ≤ 5.5V Line Regulation(1) VOUT = 3.3V 0.2 0.6 % 3.5V ≤ AVIN ≤ 5.5V ΔVOUT/ΔIO Load Regulation Normal operation 8 mV/A VON Rising 2.47 2.85 V UVLO Threshold (AVIN) Falling Hysteresis 85 150 210 mV rDSON-P PFET On Isw = 2A 75 140 m Ω Resistance rDSON-N NFET On Isw = 2A 55 120 m Ω Resistance RSS Soft-start resistance 400 k Ω ICL LM2852X 2.75 4 4.95 Peak Current Limit A Threshold LM2852Y 2.25 3 3.65 IQ Operating Current Non-switching 0.85 2 mA ISD Shutdown Quiescent EN = 0V 10 25 µA Current RSNS Sense pin resistance 400 k Ω PWM fosc LM2852X 1500kHz option. 1050 1500 1825 kHz LM2852Y 500kHz option. 325 500 625 kHz Drange Duty Cycle Range 0 100 % ENABLE CONTROL(2) VIH EN Pin Minimum % of 75 High Input AVIN VIL EN Pin Maximum % of 25 Low Input AVIN IEN EN Pin Pullup EN = 0V 1.2 µA Current THERMAL CONTROLS TSD TJ for Thermal 165 °C Shutdown TSD-HYS Hysteresis for 10 °C Thermal Shutdown (1) VOUT measured in a non-switching, closed-loop configuration at the SNS pin. (2) The enable pin is internally pulled up, so the LM2852 is automatically enabled unless an external enable voltage is applied. 4 Submit Documentation Feedback Copyright © 2005–2013, Texas Instruments Incorporated Product Folder Links: LM2852 |
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