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搞不清楚楼主的问题说的到底是什么,只有一个看法,不知道你的MODE选择模式是不是会影响你所应用的环境4 e0 {7 V1 D2 N" W% R2 Q
) Y: U9 p7 k7 q+ e. }% VThe TPS61086 is a high frequency, high efficiency DC to DC converter with an integrated 2.0 A, 0.13 Ω power; u: x* R* E/ N; L$ b* r
switch capable of providing an output voltage up to 18.5 V. The implemented boost converter is based on a fixed
5 x! y: j0 o/ k$ _+ ufrequency of 1.2MHz, pulse-width-modulation (PWM) controller that allows the use of small external inductors
% z g/ w: L. Vand capacitors and provides fast transient response.& G% Z+ E' S+ N& S" Y4 n4 W9 p
At light load, the device can operate in Power Save Mode with pulse-frequency-modulation (PFM) to improve the7 e" y A" n& l0 ?
efficiency while keeping a low output voltage ripple. For very noise sensitive applications, the device can be
. ^7 L# x' }! D8 ~/ P4 O8 i9 wforced to PWM Mode operation over the entire load range by pulling the MODE pin high. The external
1 u5 y( J% Y/ Z/ y8 e6 zcompensation allows optimizing the application for specific conditions. A capacitor connected to the soft-start pin
+ L' }( M9 f3 p! i% ?! h& Zminimizes inrush current at startup. |
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