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L5958 数据表(PDF) 4 Page - STMicroelectronics |
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L5958 数据表(HTML) 4 Page - STMicroelectronics |
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4 / 20 page ![]() List of figures L5958 4/20 Doc ID 17716 Rev 1 List of figures Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 2. Flexiwatt27 (SMD and vertical) pin connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 3. Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Figure 4. Regulator and power switch diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 5. Timing chart Vbatt detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 6. Timing chart 1.8 Vperm/3.3 Vperm and 1.8V sw/3.3 Vsw . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 7. Reset and BU1 backup diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Figure 8. BU2 backup diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Figure 9. Maximum ESR for stability (valid for all the regulator outputs) . . . . . . . . . . . . . . . . . . . . . . 15 Figure 10. Current limit of the power switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 11. Flexiwatt27 (vertical) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . 17 Figure 12. Flexiwatt27 (SMD) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . 18 |
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