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CY8C58LP Datasheet(PDF) 68 Page - Cypress Semiconductor |
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CY8C58LP Datasheet(HTML) 68 Page - Cypress Semiconductor |
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68 / 122 page  PRELIMINARY PSoC® 5LP: CY8C58LP Family Datasheet Document Number: 001-84932 Rev. ** Page 68 of 122 Figure 11-5. Efficiency vs IOUT VBOOST = 3.3 V, LBOOST = 10 µH [28] Figure 11-6. Efficiency vs IOUT VBOOST = 3.3 V, LBOOST = 22 µH[28] Table 11-7. Inductive Boost Regulator AC Specifications Parameter Description Conditions Min Typ Max Units VRIPPLE Ripple voltage, peak-to-peak[27] LBOOST = 10 μH, CBOOST = 22 μF || 0.1 μF, 2 < VBAT:VOUT ≤ 4, Iout = 10 mA – – 100 mV Table 11-8. Recommended External Components for Boost Circuit Parameter Description Conditions Min Typ Max Units LBOOST Boost inductor 4.7 10 22 µH CBOOST Filter capacitor[27] LBOOST = 4.7 µH – 10 – µF LBOOST = 10 µH – 22 – µF LBOOST = 22 µH – 22 – µF IF External Schottky diode average forward current 1– – A VR 20 – – V Notes 27. Based on device characterization (Not production tested). 28. Typical example. Actual efficiency may vary depending on external component selection, PCB layout, and other design parameters. |
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