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SWCS049B 数据表(PDF) 13 Page - Texas Instruments |
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SWCS049B 数据表(HTML) 13 Page - Texas Instruments |
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13 / 119 page  13 TPS659110, TPS659112, TPS659113 TPS659114, TPS659118, TPS6591133 www.ti.com SWCS049Q – JUNE 2010 – REVISED MARCH 2016 Submit Documentation Feedback Product Folder Links: TPS659110 TPS659112 TPS659113 TPS659114 TPS659118 TPS6591133 Specifications Copyright © 2010–2016, Texas Instruments Incorporated 5.5 External Component Recommendation For crystal oscillator components, see Section 5.12. If RTC domain is expected to be maintained after shutdown, VCC7 must have enough capacitance to ensure that when supply is switched off, voltage does not fall at a rate faster than 10 mV/ms. This ensures that RTC domain data is maintained. PARAMETER TEST CONDITIONS MIN NOM MAX UNIT POWER REFERENCES VREF filtering capacitor CO(VREF) Connected from VREF to REFGND 100 nF VDD1 SMPS Input capacitor CI(VCC1) X5R or X7R dielectric 10 µF Output filter capacitor CO(VDD1) X5R or X7R dielectric 4 10 12 µF CO filter capacitor ESR ƒ = 3 MHz 10 300 m Ω Inductor LO(VDD1) 2.2 µH LO inductor DC resistor DCRL 125 m Ω VDD2 SMPS Input capacitor CI(VCC2) X5R or X7R dielectric 10 µF Output filter capacitor CO(VDD2) X5R or X7R dielectric 4 10 12 µF CO filter capacitor ESR ƒ = 3 MHz 10 300 m Ω Inductor LO(VDD2) 2.2 µH LO inductor DC resistor DCRL 125 m Ω VIO SMPS Input capacitor CI(VCCIO) X5R or X7R dielectric 10 µF Output filter capacitor CO(VIO) X5R or X7R dielectric 4 10 12 µF CO filter capacitor ESR ƒ = 3 MHz 10 300 m Ω Inductor LO(VIO) 2.2 µH LO inductor DC resistor DCRL 125 m Ω VDDCtrl SMPS Input capacitor CVIN 4 × 10 µF High-side drive boost capacitor Cboost 0.1 µF Input capacitor for V5IN supply CV5IN 1 µF Output filter capacitor CO(VDDCtrl) 330 µF CO filter capacitor ESR 9 15 m Ω Inductor LO(VDDCtrl) 2.7 µH LO Inductor DC resistor DCRL 20 m Ω Rtrip 40 k Ω C1 330 pF FET FDMC7660 LDO1 Input capacitor CI(VCC6) X5R or X7R dielectric 4.7 µF Output filtering capacitor CO(LDO1) 0.8 2.2 2.64 µF CO filtering capacitor ESR 0 500 m Ω LDO2 Output filtering capacitor CO(LDO2) 0.8 2.2 2.64 µF CO filtering capacitor ESR 0 500 m Ω LDO3 Input capacitor CI(VCC5) X5R or X7R dielectric 4.7 µF Output filtering capacitor CO(LDO3) 0.8 2.2 2.64 µF CO filtering capacitor ESR 0 500 m Ω LDO4 Output filtering capacitor CO(LDO4) 0.8 2.2 2.64 µF CO filtering capacitor ESR 0 500 m Ω |
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