DAK-68A Power Integrations, DAK-68A Datasheet - Page 17

• Manufacturer Part Number: DAK-68A
• Description: KIT DESIGN ACCELERATOR POE CONV
• Manufacturer: Power Integrations
• Series: DPA-Switch®r

Specifications of DAK-68A

• Main Purpose: Special Purpose DC/DC, Power Over Ethernet
• Outputs And Type: 1, Non-Isolated
• Power - Output: 6.6W
• Voltage - Output: 3.3V
• Current - Output: 2A
• Voltage - Input: 36 ~ 57V
• Regulator Topology: Flyback
• Frequency - Switching: 400kHz
• Board Type: Bare (Unpopulated) and Fully Populated
• Utilized Ic / Part: DPA423, DPA424, DPA425
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Other names: 596-1007

10.4 Load Transient Response (75% to 100% Load Step)
In the following two oscilloscope screen shots (Figures 17 and 18), signal averaging was
used to more clearly capture the output voltage response to a load transient. Averaging
minimizes the appearance of the 400 kHz switching ripple in the output voltage scope
plot. The load current step was used to trigger the horizontal sweep of the oscilloscope.
Figure 17 - Transient Response,
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36 VDC, 75-100-75% Load Step.
Top: Load Current, 1 A / div.
Bottom: Output Voltage,
20 mV, 500 µs / div.
Figure 18 - Transient Response,
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57 VDC, 75-100-75% Load Step.
Top: Load Current, 1 A / div.
Bottom: Output Voltage,
20 mV, 500 µs / div.
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