确保打印头电源动态输出电压的参考设计,Reference D

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Efficiency Plots

Efficiency V_S load-current plots are given in Figures 2 and 3. The input voltage was V_OUT = 25V in Figure 2 and V_OUT = 45V in Figure 3.


Figure 2. Load current vs. converter efficiency for V_OUT = 25V.


Figure 3. Load current vs. converter efficiency for V_OUT = 45V.

Experimental Results

Converter output voltage and load current are shown in following figures for different input excitations.

Test conditions: V_IN = 45V and V_OUT = 45V.

Ch1: output voltage; Ch2: input voltage; Ch3: MOSFET drain voltage; Ch4: output current.


Test conditions: V_IN = 32V and V_OUT = 45V.

Ch1: output voltage; Ch2: input voltage; Ch3: MOSFET gate voltage; Ch4: output current.


Test conditions: V_IN = 45V and V_OUT = 45V.

Ch1: output voltage; Ch2: input voltage; Ch3: MOSFET gate voltage; Ch4: output current.


Test conditions: V_IN= 45V and V_OUT= 25V.

Ch1: output voltage; Ch2: input voltage; Ch3: MOSFET gate voltage; Ch4: output current.

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