Description
Pin No.
up the loop response when the output voltage
drops below 95.5% of the desired output level.VFB is also the input signal for the soft
and fast
overvoltage (OVP) and under
voltage (UVP) comparators.
in
to trigger the UVP p
Features
- necessary for robust and compact PFC stages, with few external components. Multimode Operation.
- Multimode Operation for Optimized Operation over the Line/Load
Range:.
- Continuous Conduction Mode (CCM) in Heavy.
- Load Conditions.
- Frequency.
- Clamped Critical Conduction Mode (FCCrM) in
Medium.
- and Light.
- Load Conditions.
- FCCrM: Critical Conduction Mode (CrM) when the CrM
Switching Frequency is Lower than 130 kHz, Discontinuous Conductio.
NCP1655-ONSemiconductor.pdf
