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output ripple
A small modulator delay allows to achieve the best tradeoff, namely, maximizing the cutoff frequency while keeping the output ripple low.
      
A smaller inductor requires a higher switching frequency to maintain the same level of output ripple, and less inertia responding to load transients.
      
As noticed the output of normal boost flyback converter has a drop of 0.98 V over SCBU converter and the output ripple voltage is higher.
      
Both circuits have low output ripple and excellent dynamic response.
      
Batteries are to prefer because they have no output ripple, something DC power sources always have.
      
Both input and output ripple frequencies are double those of a single-channel design, further simplifying filtering requirements.
      
Choosing an inappropriate capacitor can result in low efficiency and/or high output ripple.
      
Current is 3.7A RMS, 37A Peak with the peak output ripple at about 5% of the average output voltage.
      
Disadvantages are a limited power range and a relatively high output ripple due to all of the off-time energy coming from the output capacitor C1.
      
Figure 3 illustrates the additive effect on output ripple frequency.
      
Figure 3 shows the waveforms of the inductor ripple currents and output ripple voltages.
      
For a PWM converter, the output ripple voltage is usually smaller and easier to be filtered.
      
However the output ripple will be increased, and the output impedance also unless the pump and storage capacitors are correspondingly increased.
      
If in your application you need a real low output ripple, an output LC filter may be appropriate.
      
If two or more 5080 units are used, a phase staggered sync signal may be applied in order to reduce the overall input and output ripple.
      
In addition the symmetrical converter's output ripple frequency is twice that of its switches, further reducing output choke size.
      
In such an operating mode, the equations for determining the input and output ripple currents change slightly.
      
No change in efficiency and output ripple was observed in the static magnetic field range from 0 to 500 G.
      
One advantage of this operation is that the output ripple frequency is twice the fundamental frequency of the primary circuit.
      
Output Ripple Voltage and Inductor Current for the Circuit in Figure 15 Figure 21.
      
 

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