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MCP2025-330E/SN bảng dữ liệu(PDF) 11 Page - Microchip Technology |
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MCP2025-330E/SN bảng dữ liệu(HTML) 11 Page - Microchip Technology |
11 / 38 page 2012-2014 Microchip Technology Inc. DS20002306B-page 11 MCP2025 Assume that we have a good quality VBAT connection with RTOT =0.1 and L = 0.1 mH. Solving the equation gives CBAT/CREG =1. If we increase RTOT up to 1 , the result becomes CBAT/CREG = 1.4. However, if the connection is highly resistive or highly inductive (poor connection), the CBAT/CREG ratio greatly increases. Figure 1-6 shows the minimum recommended CBAT/CREG ratio as a function of the impedance of the VBAT connection. FIGURE 1-6: Minimum Recommended CBAT/CREG Ratio TABLE 1-4: CBAT/CREG RATIO BY VBAT CONNECTION TYPE Connection Type RTOT L CBAT/CREG Ratio Good 0.1 0.1 mH 1 Typical 1 0.1 mH 1.4 Highly inductive 0.1 1mH 7 Highly resistive 10 0.1 mH 7 1 10 0.1 1 VBAT Line Inductance [mH] CBAT/CREG Ratio as Function of the VBAT Line Impedance RBAT = 10 RBAT = 4 RBAT = 2 RBAT = 1 RBAT = 0.3 RBAT = 0.1 |
Số phần tương tự - MCP2025-330E/SN |
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Mô tả tương tự - MCP2025-330E/SN |
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