NCP1605ADR2G ON Semiconductor, NCP1605ADR2G Datasheet - Page 29

• Manufacturer Part Number: NCP1605ADR2G
• Description: IC PFC CONTROLLER CCM/DCM 16SOIC
• Manufacturer: ON Semiconductor

Specifications of NCP1605ADR2G

• Mode: Continuous Conduction (CCM), Discontinuous Conduction (DCM)
• Frequency - Switching: 250kHz
• Current - Startup: 12mA
• Voltage - Supply: 10 V ~ 20 V
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Switching Frequency: 250 KHz
• Maximum Power Dissipation: 550 mW
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Remarks:
clamp level (3.7 V) depending of the load and of the system
time constants. In particular, if the circuit starts operation
in light load and if the bulk capacitor is not too large, the
output voltage V
while V
The V
V
V
V
Flag1
Circuit State
pfcOK
Drive Output
CC
OUT
CONTROL
CONTROL
CONTROL
OUT
keeps below its upper limit.
signal does not necessarily reach its
generally exceeds the regulation level
V
OFF
CC
1 V
ON
Figure 70. Startup Phase in Normal Conditions
V
CONTROL
http://onsemi.com
MAX = 3.7 V
29
twice the line frequency). This ripple is also present in the
V
regulation low bandwidth. Like that of V
not represented in Figure 70, for the sake of the clarity.
CONTROL
The output voltage exhibits a 100 or 120 Hz ripple (at
These re−activations of “Flag1” result from V
100 or 120 Hz ripple (not represented here for the
sake of clarity)
V
CC
OFF
voltage even if it is attenuated due to the
V
OUT
Regulation Level
V
CC
STUP
OUT
OUT
, this ripple is