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LD2985AM30R Folha de dados(PDF) 10 Page - STMicroelectronics |
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LD2985AM30R Folha de dados(HTML) 10 Page - STMicroelectronics |
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10 / 13 page ![]() LD2985 SERIES 10/13 REVERSE CURRENT The power transistor used in the LD2985 has not an inherent diode connected between the regulator input and output. If the output is forced above the input, no current will flow from the output to the input across the series pass transistor. When a VREV voltage is applied on the output, the reverse current measured flows to the GND across the two feedback resistors. This current typical value is 160µA. R1 and R2 resistors are implanted type; typical values are, respectively, 42.6 K Ω and 51.150 KΩ. Figure 15 : Reverse Current Test Circuit |
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