RDK-83 Power Integrations, RDK-83 Datasheet - Page 28

• Manufacturer Part Number: RDK-83
• Description: KIT DESIGN REF LINKSWITCH LP
• Manufacturer: Power Integrations
• Series: LinkSwitch®-LPr

Specifications of RDK-83

• Main Purpose: AC/DC, Primary Side
• Outputs And Type: 1, Isolated
• Power - Output: 1.6W
• Voltage - Output: 7.7V
• Current - Output: 210mA
• Voltage - Input: 85 ~ 265VAC
• Regulator Topology: Flyback
• Frequency - Switching: 66kHz
• Board Type: Bare (Unpopulated) and Fully Populated
• Utilized Ic / Part: LNK562, LNK563, LNK564
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Other names: 596-1128

11.5.2 Measurement Results
Figure 22 – Ripple, 85 VAC, Full Load.
Figure 24 – Ripple, 230 VAC, Full Load.
Figure 22 shows increased line frequency ripple. If required, this could be lowered to the
level shown in Figure 23 by increasing the value of C6 and C1 to 4.7 µF.
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5 ms, 50 mV / div (240 mV
5 ms, 50 mV /div (130mV
P-P
P-P
).
).
Figure 23 – Ripple, 115 VAC, Full Load.
Figure 25 – Ripple of a Linear adaptor, 115 VAC
Input, Full Load.
2 ms, 200 mV/div (800 mV
5 ms, 50 mV / div (80 mV
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P-P
P-P
).
).