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LNBP8K7-R 数据表(PDF) 3 Page - STMicroelectronics |
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LNBP8K7-R 数据表(HTML) 3 Page - STMicroelectronics |
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3 / 13 page ![]() Obsolete Product(s) - Obsolete Product(s) LNBP8-LNBP9 Pin configuration 3/13 1 Pin configuration Figure 1. Pin connections (top view) Table 1. Pin descriptions Pin N° Name function 1VCC1 Supply Input 1: 15V to 25V supply. It is automatically selected when VO = 13V 2VCC2 Supply Input 2: 22V to 25V supply. It is automatically selected when VO = 18V 3 OUTPUT Regulator output. It is 13V typ. when VSEL LOW and 18V typ. when VSEL HIGH 4 GND GROUND 5VSEL Output Voltage Selection: Logic Control Input; if LOW VO = 13V, when HIGH VO = 18V 6 ENABLE Logic Control Input; force LOW to put the IC in shutdown 7 (LNBP9) TONE Logic Control Input; force HIGH to activate the internal 22KHz tone 7 (LNBP8) EXTM External Modulation: Needs DC decoupling to the AC source. If not used can be left floating |
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