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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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L99PM62XP 데이터시트(PDF) 14 Page - STMicroelectronics |
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L99PM62XP 데이터시트(HTML) 14 Page - STMicroelectronics |
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14 / 98 page  Description L99PM62XP 14/98 Doc ID 16363 Rev 3 The Vs operating range for this circuit is 5.5 V to 18 V. It is important the respect the input common mode range specified for the operational amplifiers. The output voltage V3 can be calculated using the following formula: The circuit in Figure 4 provides additional current limitation using an additional PNP transistor and R6 which allows setting the current limit. Figure 5. Voltage source with external NPN Figure 6. Voltage source with external NPN and current limitation Figure 5 shows a possible configuration with an NPN pass element using voltage regulator 2 to provide the voltage reference for the regulated output voltage V3. This circuit requires fewer components compared to the configuration in Figure 3 but has a limited Vs operating range (6 V to 18 V). v 3 v 2 2 ------ R 1 R 2 + R 2 --------------------- V [] ⋅ = |
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