NCP1605FORWGEVB ON Semiconductor, NCP1605FORWGEVB Datasheet - Page 16

• 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

Soft- -Start (NCP1217A only)
activated during the power on sequence (PON). As soon as
V
increased from nearly zero up to the maximum clamping
level (e.g. 1.0 V). This situation lasts during 1.0 ms and
further to that time period, the peak current limit is blocked
to 1.0 V until the supply enters regulation. The soft- -start is
CC
The NCP1217A features an internal 1.0 ms soft- -start
reaches VCC
Figure 30. Soft- -start is activated during a startup sequence or an OCP condition
OFF
, the peak current is gradually
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16
also activated during the Over Current Burst (OCP)
sequence. Every restart attempt is followed by a soft- -start
activation. Generally speaking, the soft- -start will be
activated when V
power- -on sequence) or 5.6 V, the latchoff voltage occurring
during OCP. Figure 30 portrays the soft- -start behavior. The
time scales are purposely shifted to offer a better zoom
portion.
CC
ramps up either from zero (fresh