NCP1605ADR2G ON Semiconductor, NCP1605ADR2G Datasheet - Page 30

• 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

Fault Management Block
(“BO_NOK”),
(“STDWN”), Die Overtemperature (“TSD”), the circuit
immediately turns off and recovers operation as soon as the
fault disappears.
circuit keeps off until the end of the next V
by the HV startup current source.
When any of the following faults is detected: brown−out
In case of UVLO (V
The following block diagram details the function.
V
V
Brown−Out
Pin Voltage
Drive Output
Circuit State
pfcOK
CC
OUT
When the high voltage, startup current source is on, the brown−out is active and its threshold is the upper one (V
Undervoltage
CC
V
OFF
CC
too low to allow operation), the
ON
1 V
(“UVP”),
Figure 71. Startup and Brown Out Conditions
CC
charge phase
shutdown
The Circuit is Off ≥ Low Consumption
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(Vcc<VccOFF)
V
1 V
CC
UVLO
OFF
Figure 72. Fault Management Block
TSD
Shutdown
Thermal
Internal
HVCS_ON
V
S
out
R
UVLO
Latch
Stdwn
Regulation Level
UVP
Q
V
CC
0.5 V
STUP
BO
= V
BO
H = 1 V).
BO_NOK
OFF