| 전자부품 데이터시트 검색엔진 |
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A5974D 데이터시트(PDF) 3 Page - STMicroelectronics |
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A5974D 데이터시트(HTML) 3 Page - STMicroelectronics |
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3 / 46 page ![]() DocID018774 Rev 2 3/46 A5974D Contents 46 8 Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 8.1 Component selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 8.2 Layout considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 8.3 Thermal considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 8.3.1 Thermal resistance RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 8.3.2 Thermal impedance ZTHJ-A(t) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 8.4 R.M.S. current of the embedded Power MOSFET . . . . . . . . . . . . . . . . . . 30 8.5 Short-circuit protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 8.6 Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 8.7 Positive buck-boost regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 8.8 Negative buck-boost regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 8.9 Floating boost current generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 8.10 Synchronization example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 8.11 Compensation network with MLCC at the output . . . . . . . . . . . . . . . . . . . 39 8.12 External SOFT_START network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 9 Typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 10 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 11 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 12 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 |
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