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MP8126DF 데이터시트(PDF) 4 Page - Monolithic Power Systems |
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MP8126DF 데이터시트(HTML) 4 Page - Monolithic Power Systems |
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4 / 13 page ![]() MP8126 – LNB POWER SUPPLY AND CONTROL VOLTAGE REGULATOR MP8126 Rev. 1.03 www.MonolithicPower.com 4 5/27/2013 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2013 MPS. All Rights Reserved. ELECTRICAL CHARACTERISTICS (continued) VIN = 12V, TA = 25°C, unless otherwise noted. Parameter Symbol Condition Min Typ Max Units TONE Signal VEXTM_High VEXTM rising 2 V EXTM Input Logic Threshold VEXTM_Low VEXTM falling 0.8 V EXTM Frequency Range (7) VEXTM_High=3.3V, VEXTM_Low=0V 20 22 24 kHz Peak-to-Peak Amplitude VPP IOUT = 0 to 100mA 0.4 0.6 0.8 V Duty Cycle RL=1kΩ, CL=0.1μF 50 % Rise and Fall Time RL=1kΩ, CL=0.1μF 8 μs Over-Current Protection Output Current Limit ILIMIT RLIMIT=10kΩ 600 770 1100 mA Dynamic Overload- Protection Off Time τOFF Time between restart attempts 2 s Dynamic Overload- Protection On Time τON Time to onset of shutdown 50 ms POK POK Upper-Trip Threshold (5) VFB with respect to nominal 12 % POK Lower-Trip Threshold VFB with respect to nominal -12 % POK Output Lower Voltage ISINK = 5mA 0.3 V Thermal Protection Over-Temperature Shutdown (5) 150 °C Over-Temperature Protection Hysteresis 20 °C Notes: 5) Guaranteed by design. 6) Shall withstand the back voltage for an indefinite period of time. On removal of the fault condition the device returns to normal operation 7) This range is used to guarantee EXTM function. |
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