NCP1351ADAPGEVB ON Semiconductor, NCP1351ADAPGEVB Datasheet - Page 22

• Manufacturer Part Number: NCP1351ADAPGEVB
• Description: EVAL BOARD FOR NCP1351ADAPG
• Manufacturer: ON Semiconductor

Specifications of NCP1351ADAPGEVB

• Design Resources: NCP1351 Adapter EVB BOM NCP1351ADAPGEVB Gerber Files NCP1351 Adapter EVB Schematic
• Main Purpose: AC/DC, Primary Side
• Outputs And Type: 1, Isolated
• Power - Output: 57W
• Voltage - Output: 19V
• Current - Output: 3A
• Voltage - Input: 90 ~ 265VAC
• Regulator Topology: Flyback
• Frequency - Switching: 65kHz
• Board Type: Fully Populated
• Utilized Ic / Part: NCP1351
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: NCP1351ADAPGEVBOS

ripple operation at no-load. This is what confirms
Figure 29.
Another benefit of the variable frequency lies in the low
Figure 31. Transient Step, Low Line
50 mV/div
Figure 29. No-Load Output Ripple
200 V/div
V
V
out
ds
(V
in
= 230 Vac)
1.0 mV/div
V
out
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NCP1351
22
Finally, the power supply was tested for its transient
response, from 100 mA to 3 A, high and low line, with a
slew-rate of 1 A/ms (Figure 31). Results appear in
Figures 31 and 32 and confirm the stability of the board.
50 mV/div
Figure 32. Transient Step, High Line
V
out
Figure 30. Same Conditions,
200 V/div
V
ds
P
out
= 5 W
1.0 mV/div
V
out