NCP1605FORWGEVB ON Semiconductor, NCP1605FORWGEVB Datasheet - Page 10

• Manufacturer Part Number: NCP1605FORWGEVB
• Description: EVAL BOARD FOR NCP1605FORWG
• Manufacturer: ON Semiconductor

Specifications of NCP1605FORWGEVB

• Design Resources: NCP1605FORWGEVB BOM NCP1605FORWGEVB Gerber Files NCP1605 EVB Schematic
• Main Purpose: AC/DC, Primary and Secondary Side with PFC
• Outputs And Type: 1, Isolated
• Voltage - Output: 19V
• Current - Output: 8A
• Voltage - Input: 90 ~ 265VAC
• Regulator Topology: Forward Converter
• Frequency - Switching: 133kHz
• Board Type: Fully Populated
• Utilized Ic / Part: NCP1217, NCP1605
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: NCP1605FORWG
• Other names: NCP1605FORWGEVBOS

«pfcOK» has turned high. This is because the NCP1605
standby management block is controlled by the feedback
signal of the main converter. The PFC stage recovers activity
We can note some skipping sequence that takes place after
Figure 9. Zoom of the Precedent Plot
V
IN
Rectified Line Voltage (100 V/div)
http://onsemi.com
AND8292
10
Load Current (5 A/div)
as soon as V
level. This behavior avoids any overshoot during the startup
sequence from occurring.
V
BULK
pfcOK Signal
(100 V/div)
BULK
has dropped below 95.5% of its nominal