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LM2852XMXA-1.5 데이터시트(PDF) 6 Page - Texas Instruments |
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LM2852XMXA-1.5 데이터시트(HTML) 6 Page - Texas Instruments |
6 / 27 page LM2852 SNVS325E – JANUARY 2005 – REVISED JANUARY 2016 www.ti.com Electrical Characteristics (continued) AVIN = PVIN = 5 V unless otherwise indicated under the Test Conditions column. Limits apply over the junction temperature (TJ) range of –40°C to 125°C (unless otherwise noted). 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. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PWM TJ = –40°C to 1050 1825 125°C LM2852X 1500-kHz option. kHz TJ = 25°C 1500 fosc TJ = –40°C to 325 625 125°C LM2852Y 500-kHz option. kHz TJ = 25°C 500 Drange Duty cycle 0% 100% ENABLE CONTROL(2) EN pin minimum high % of VIH 75 input AVIN EN pin maximum low % of VIL 25 input AVIN IEN EN pin pullup current EN = 0 V TJ = 25°C 1.2 µA THERMAL CONTROLS TSD TJ for thermal shutdown TJ = 25°C 165 °C Hysteresis for thermal TSD-HYS TJ = 25°C 10 °C shutdown (2) The enable pin is internally pulled up, so the LM2852 is automatically enabled unless an external enable voltage is applied. 6 Submit Documentation Feedback Copyright © 2005–2016, Texas Instruments Incorporated Product Folder Links: LM2852 |
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