NEX83088 is a Power Factor Correction (PFC) controller. It supports TM (CrM/DCM) operations.
The device uses ACM-based VOT-control to achieve high power factor and low-current total harmonic distortion (THD) over a wide line voltage. The device features a very low supply current in burst mode. This allows the device to achieve low standby power loss.
The switching frequency near the line voltage zero cross region is reduced by the control method. It improves efficiency.
NEX83088 features overvoltage protection (OVP), cycle-by-cycle (CBC) current limit, open-loop protection (OLP), overtemperature protection (OTP) and brown-in/out.
NEX83088 is available in SO8 package.
Features and benefits
Adaptive variable on time control
Transition mode (CrM/DCM) operations
Support E-mode GaN HEMT direct drive
Line voltage feed forward
Integrated THD enhancement circuit
Integrated dynamic enhancement circuit
Maximum switching frequency clamp to reduce the losses
Valley/zero-voltage switching for minimum switching losses
Rich protections:
VCC UVLO/OVP
Output OVP
Cycle-by-cycle (CBC) current limit
Open-loop protection (OLP)
Overtemperature protection (OTP)
Brown-in/brown-out
Available in SO8 package
Applications
Monitors or LCD televisions
Personal computer power adapters
USB Power Delivery quick chargers
All off-line appliances requiring power factor correction
Figure 1. Typical application without auxiliary winding
NEX83088 is a Power Factor Correction (PFC) controller. It supports TM (CrM/DCM) operations.
The device uses ACM-based VOT-control to achieve high power factor and low-current total harmonic distortion (THD) over a wide line voltage. The device features a very low supply current in burst mode. This allows the device to achieve low standby power loss.
The switching frequency near the line voltage zero cross region is reduced by the control method. It improves efficiency.
NEX83088 features overvoltage protection (OVP), cycle-by-cycle (CBC) current limit, open-loop protection (OLP), overtemperature protection (OTP) and brown-in/out.
NEX83088 is available in SO8 package.
Features and benefits
- Adaptive variable on time control
- Transition mode (CrM/DCM) operations
- Support E-mode GaN HEMT direct drive
- Line voltage feed forward
- Integrated THD enhancement circuit
- Integrated dynamic enhancement circuit
- Maximum switching frequency clamp to reduce the losses
- Valley/zero-voltage switching for minimum switching losses
- Rich protections:
- VCC UVLO/OVP
- Output OVP
- Cycle-by-cycle (CBC) current limit
- Open-loop protection (OLP)
- Overtemperature protection (OTP)
- Brown-in/brown-out
- Available in SO8 package
Applications
- Monitors or LCD televisions
- Personal computer power adapters
- USB Power Delivery quick chargers
- All off-line appliances requiring power factor correction
Figure 1. Typical application without auxiliary winding
