NCP1653 ,Controller, PFC, Continuous Conduction Mode, Fixed Frequency, CompactELECTRICAL CHARACTERISTICS (For typical values T = 25°C. For min/max values, T = −40°C to +125°C, V ..
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NCP1653
Controller, PFC, Continuous Conduction Mode, Fixed Frequency, Compact
NCP1653, NCP1653A
Compact, Fixed-Frequency,
Continuous Conduction
Mode PFC ControllerThe NCP1653 is a controller designed for Continuous Conduction
Mode (CCM) Power Factor Correction (PFC) boost circuits. It
operates in the follower boost or constant output voltage in 67 or 100
kHz fixed switching frequency. Follower boost offers the benefits of
reduction of output voltage and hence reduction in the size and cost
of the inductor and power switch. Housed in a DIP−8 or SO−8
package, the circuit minimizes the number of external components
and drastically simplifies the CCM PFC implementation. It also
integrates high safety protection features. The NCP1653 is a driver
for robust and compact PFC stages.
Features IEC1000−3−2 Compliant Continuous Conduction Mode Average Current−Mode or Peak Current−Mode Operation Constant Output Voltage or Follower Boost Operation Very Few External Components Fixed Switching Frequency: 67 kHz = NCP1653A,Fixed Switching Frequency: 100 kHz = NCP1653• Soft−Start Capability VCC Undervoltage Lockout with Hysteresis (8.7 / 13.25 V) Overvoltage Protection (107% of Nominal Output Level) Undervoltage Protection or Shutdown (8% of Nominal Output Level) Programmable Overcurrent Protection Programmable Overpower Limitation Thermal Shutdown with Hysteresis (120 / 150�C) This is a Pb−Free Device
Typical Applications TV & Monitors PC Desktop SMPS AC Adapters SMPS White Goods
Input
EMI
Filter Output GndVcontrol DrvFB VCC VM
15 V
NCP1653
