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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" S9 W1 Y% B+ X9 B( O
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The TPS61086 is a high frequency, high efficiency DC to DC converter with an integrated 2.0 A, 0.13 Ω power" h+ F* i$ `: F* g& N# Y6 _ X
switch capable of providing an output voltage up to 18.5 V. The implemented boost converter is based on a fixed
4 k+ W( `$ i4 [frequency of 1.2MHz, pulse-width-modulation (PWM) controller that allows the use of small external inductors
' L+ C5 A/ l" g) B V/ tand capacitors and provides fast transient response.; N( [# p# g# b- Y0 x1 Q3 W$ {
At light load, the device can operate in Power Save Mode with pulse-frequency-modulation (PFM) to improve the
$ ~ J1 ]0 m, E. I/ W% Uefficiency while keeping a low output voltage ripple. For very noise sensitive applications, the device can be
0 ~+ b- g, Q6 fforced to PWM Mode operation over the entire load range by pulling the MODE pin high. The external& Q4 b* m4 ^- B
compensation allows optimizing the application for specific conditions. A capacitor connected to the soft-start pin
: M! o7 |4 [* B/ u4 ominimizes inrush current at startup. |
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