NCL30051LEDGEVB ON Semiconductor, NCL30051LEDGEVB Datasheet - Page 18

• Manufacturer Part Number: NCL30051LEDGEVB
• Description: Power Management IC Development Tools 90-265VAC 60W ISO CC EVB
• Manufacturer: ON Semiconductor
• Type: Power Factor Correctionr

Specifications of NCL30051LEDGEVB

• Rohs: yes
• Product: Evaluation Boards
• Tool Is For Evaluation Of: NCL30051
• Input Voltage: 90 VAC to 265 VAC
• Output Voltage: 35 V to 50 V
• Output Current: 1.5 A

Output Current Profile at Turn−on
25 Hz), the output current profile during start−up when the
ac line is applied is very well controlled from excessive
Line Current and Conducted EMI
conducted emissions. Waveforms of the input line current at
Despite the low control loop bandwidth (approximately
The prototype supplies were tested for FCC Level A
Figure 16. Output Current Profile at Supply Turn−on (230 Vac)
Figure 15. Output Current Ripple at 1 A Load and V
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overshoot. The nature of the start−up profile can be tailored
by the proper selection of feedback compensation
components R23 and C25 around current amplifier U4B.
The start−up profile is shown in Figure 16.
different line voltages and V
These results are shown in the figures below (Green is peak
and red is average).
f
= 40 Vdc
f
points were also captured.