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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
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4 ]# h9 p+ T. {+ [The TPS61086 is a high frequency, high efficiency DC to DC converter with an integrated 2.0 A, 0.13 Ω power% ^# m# \ G2 D- n
switch capable of providing an output voltage up to 18.5 V. The implemented boost converter is based on a fixed
9 W% H! B5 c7 [2 ]1 j4 j1 Ufrequency of 1.2MHz, pulse-width-modulation (PWM) controller that allows the use of small external inductors9 h( d9 Q% G/ U+ a- ?( |% U
and capacitors and provides fast transient response.
. u) o } K. XAt light load, the device can operate in Power Save Mode with pulse-frequency-modulation (PFM) to improve the
% l4 G2 \ m4 m0 Eefficiency while keeping a low output voltage ripple. For very noise sensitive applications, the device can be
3 R* V+ C; l+ r# gforced to PWM Mode operation over the entire load range by pulling the MODE pin high. The external5 E- R/ K& [6 [8 _9 V, B
compensation allows optimizing the application for specific conditions. A capacitor connected to the soft-start pin0 ?4 q, B/ @+ e! H9 d0 P
minimizes inrush current at startup. |
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