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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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STPM34TR 데이터시트(PDF) 32 Page - STMicroelectronics |
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STPM34TR 데이터시트(HTML) 32 Page - STMicroelectronics |
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32 / 121 page  Theory of operation STPM32, STPM33, STPM34 32/121 DS10272 Rev 8 Figure 22. Power management internal connection scheme and polarization Temperature compensated reference voltage generators produce VREF1 = VREF2 = 1.18 V at default settings. The primary voltage reference is always on and supplies the voltage and the primary current channel, the secondary voltage reference is by default in on-state and supplies the secondary channel. These reference temperature compensation curves can be selected through three configuration bits: TCx[2:0] (DSP_CR1 and DSP_CR2). Table 9. Temperature compensation selection TCx0 TCx1 TCx2 TC_VREF (ppm/°C) 0 0 0 -30 0 0 1 0 0 1 0 30 (default) 0 1 1 60 1 0 0 90 1 0 1 120 1 1 0 150 1 1 1 180 VCC VDDA GNDA LDR 3.0 V VOLTAGE REFERENCE VRefC1 VRefV1 TC2 VDDD VOLTAGE REFERENCE TC1 LDR 1.2 V GNDD GNDREF VRefC2 VRefV2 4.7 uF 1 μF 1 uF 100 nF 100 nF 3.3 V GND_REG VREF1 VREF2 ENVREF1 ENVREF2 GIPG1303141315LM |
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