NCP1605FORWGEVB ON Semiconductor, NCP1605FORWGEVB Datasheet - Page 13

• 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

Table 2.
More generally, this protection triggers when the load current (I
V
IN, RMS
I
OUT
When Q3 is on, V
cannot be generated any more. The
application enters hiccup mode.
Z
(V)
(A)
goes low and V
CC
Figure 13. Circuit for Overload Protection
10.0
Figure 12. Zoom of the Precedent Plot
90
Q3
BC368
R31
10 k
D9
16V
Vz
http://onsemi.com
Q7
BC368
AND8292
3
D8
1N4148
11.3
110
13
4
C28
100mF / 50V
R26
1k
2
D16
3V0
D15
1N4934
OUT
C9
1mF
) is excessive. The following thresholds were measured:
1
R44
2.2
Q1x
BC846B
Auxiliary voltage from the forward
AC Line Current (2 A/div)
11.2
180
5
Vaux2
Vcc
V
R1x
43k
BULK
VI
VI
N
N
transformer
FB
Feedback Voltage)
(100 V/div)
(100 V/div)
(100 V/div)
(NCP1217A
11.2
230
11.2
265