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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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The TPS61086 is a high frequency, high efficiency DC to DC converter with an integrated 2.0 A, 0.13 Ω power# b/ t* Z0 O$ s) M4 X, l
switch capable of providing an output voltage up to 18.5 V. The implemented boost converter is based on a fixed6 d: e0 L' o, f# a; H
frequency of 1.2MHz, pulse-width-modulation (PWM) controller that allows the use of small external inductors
% o! d+ y9 V6 n6 R' I$ iand capacitors and provides fast transient response.0 I3 B2 o6 Q2 K3 @) A2 c: N
At light load, the device can operate in Power Save Mode with pulse-frequency-modulation (PFM) to improve the* r4 V" K) J% Y1 v! F3 r% p$ T
efficiency while keeping a low output voltage ripple. For very noise sensitive applications, the device can be$ u, @+ f- |& F+ r/ X
forced to PWM Mode operation over the entire load range by pulling the MODE pin high. The external
# q9 Z0 i! R) _& z; V& c1 @7 kcompensation allows optimizing the application for specific conditions. A capacitor connected to the soft-start pin- U" o; b: V8 {3 _4 v( V/ i2 G
minimizes inrush current at startup. |
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