| Zakładka z wyszukiwarką danych komponentów |
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SP6126EB Arkusz danych(PDF) 6 Page - Sipex Corporation |
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SP6126EB Arkusz danych(HTML) 6 Page - Sipex Corporation |
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6 / 8 page ![]() 6 R1 200k, 1% R2 SP6126 VFB RZ2 200k CZ2 130pF CP1 2pF Error Amplif ier Vref =0.6V Vout RZ CZ Figure 9- RZ and CZ in conjunction with internal compensation components form a Type-III compensation Loop Compensation for the SP6126EB L = 6.8uH, C = 22uF/5mOhm ceramic capacitor From equation (2) fESRZERO = 1.45MHz. From equation (3) fDBPOLE = 13 kHz. Since the condition specified in (1) is not met, Type-III compensation has to be used by adding external components RZ and CZ. Using equation (4) CZ is calculated 61.2pF. After bench tests a 82uf was selected for optimum performance. Following the guideline given in table 1, a 2kOhm RZ was used. |
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