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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3 I4 q' x, f# r
. A3 a9 b8 k1 ]2 s- jThe TPS61086 is a high frequency, high efficiency DC to DC converter with an integrated 2.0 A, 0.13 Ω power& _# u, j4 a1 T+ [
switch capable of providing an output voltage up to 18.5 V. The implemented boost converter is based on a fixed
; s9 v8 s7 X M6 [frequency of 1.2MHz, pulse-width-modulation (PWM) controller that allows the use of small external inductors
( n9 `, O& `2 \& d iand capacitors and provides fast transient response.# @/ ^) Q4 |0 z/ W
At light load, the device can operate in Power Save Mode with pulse-frequency-modulation (PFM) to improve the
7 Y, u7 `6 k+ sefficiency while keeping a low output voltage ripple. For very noise sensitive applications, the device can be
# y8 g) i% _2 fforced to PWM Mode operation over the entire load range by pulling the MODE pin high. The external
' b, }( a* j! Z* v3 |+ {: Dcompensation allows optimizing the application for specific conditions. A capacitor connected to the soft-start pin
/ C1 A* T8 `# b. e, I6 B* K. Rminimizes inrush current at startup. |
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