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LM2623AMMX bảng dữ liệu(PDF) 3 Page - Texas Instruments |
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LM2623AMMX bảng dữ liệu(HTML) 3 Page - Texas Instruments |
3 / 16 page LM2623 www.ti.com SNVS188G – MAY 2004 – REVISED DECEMBER 2005 ABSOLUTE MAXIMUM RATINGS (1) (2) SW Pin Voltage −0.5 V to 14.5V BOOT, VDD, EN and FB Pins −0.5V to 10V FREQ Pin 100µA TJmax (3) 150°C Storage Temperature Range −65°C to +150°C Lead Temp. (Soldering, 5 sec) 260°C Power Dissipation (TA=25°C) (3) 500mW ESD Rating (4) 2kV (1) Absolute maximum ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device outside of its rated operating conditions. (2) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and specifications. (3) The maximum power dissipation must be derated at elevated temperatures and is dictated by Tjmax (maximum junction temperature), θJA (junction to ambient thermal resistance), and TA (ambient temperature). The maximum allowable power dissipation at any temperature is Pdmax = (Tjmax - TA)/ θJA or the number given in the Absolute Maximum Ratings, whichever is lower. (4) The human body model is a 100 pF capacitor discharged through a 1.5 k Ω resistor into each pin. For Pin 8 (SW) the ESD rating is 1.0 kV. OPERATING CONDITIONS (1) VDD Pin 3V to 5V FB, EN Pins 0 to VDD BOOT Pin 0 to 10V Ambient Temperature (TA) −40°C to +85°C (1) Absolute maximum ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device outside of its rated operating conditions. Copyright © 2004–2005, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM2623 |
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