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MP8768 数据表(PDF) 4 Page - Monolithic Power Systems |
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MP8768 数据表(HTML) 4 Page - Monolithic Power Systems |
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4 / 13 page ![]() MP8768 – 8A, 28V, SYNCHRONOUS STEP-DOWN CONVERTER WITH INTERNAL MOSFET MP8768 Rev. 1.0 www.MonolithicPower.com 4 12/12/2013 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2013 MPS. All Rights Reserved. TYPICAL PERFORMANCE CHARACTERISTICS VIN = 12V, VOUT = 3.3V, L = 1.5µH, TA = +25ºC, unless otherwise noted. DUTY CYCLE (%) Peak Current vs. Duty Cycle INPUT VOLTAGE (V) OUTPUT CURRENT (A) Line Regulation IOUT=4A Case Temperature Rise vs. Output Current LOAD CURRENT (A) Load Regulation INPUT VOLTAGE (V) Operating Range VCC Regulator Line Regulation 0.1 1 10 100 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) Enable Supply Current vs. Input Voltage Disable Supply Current vs. Input Voltage 4.0 4.2 4.4 4.6 4.8 5.0 5.2 5.4 0 5 10 15 20 25 30 0 2 4 6 8 10 12 0 20 40 60 80 100 0 5 10 15 20 25 30 -0.15 -0.10 -0.05 0.00 0.05 0.10 0 3 6 9 12 15 18 21 24 27 30 0 10 20 30 40 50 60 02468 10 IOUT=8A IOUT=4A Dmax Limit Minimum on time Limit 780 800 820 840 860 880 900 920 940 0 5 10 15 20 25 30 0 5 10 15 20 25 30 -0.60 -0.40 -0.20 0 0.20 0.40 0.60 02 4 6 8 10 -0.05 0.00 0.05 0.10 0.15 |
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