onsemi NCP1623
the NCP1623 grounds the VCTRL pin to provide a soft−start function at a subsequent startup. The high−current capability of the totem pole gate drive makes it suitable to drive high gate charge power FETs.| Part No. | NCP1623 |
|---|---|
| Datasheet | NCP1623 Download |
| Manufacturer |  onsemi |
| Description | High-Efficiency Power Factor Controller |
| Buy | Stock & Price |
FEATURES
● Valley Synchronized Frequency Fold−back (VSFF): ♦ CrM at Heavy Load ♦ DCM at Light Load by Dead Time Control ♦ Valley Switching in Both CrM and DCM● On−time Modulation for High PFC in Both CrM and DCM
● Follower Boost Capability (NCP1623A Only) ♦ Lowered Output Voltage Regulation at Low Line ♦ High−Efficient Boost Stage and Downsized Inductor Design
● Skip Mode for Light Load Regulation
● Sleep Mode with Low Current Consumption (SOIC8 Only)
● Fast Line / Load Transient Control ♦ Dynamic Response Enhancer at Output Undershoot ♦ Soft OVP and Fast OVP at Output Overshoot
● Excessive Current Protection ♦ Over Current Protection (OCP) ♦ Over Stress Protection (OVS)
● Brown Out Protection
● Second Over Voltage Protection (OVP2)
● These are Pb−Free Devices Typical
APPLICATIONS
● USB−PD● Flat TV
● Industrial Power Supplies
● All Off−line Appliances Requiring Power Factor Correction DATA SHEET PACKAGE PICTURES 1 TSOP−6 (SOT23−6) SN SUFFIX CASE 318G−02 8 1 SOIC−8 D SUFFIX CASE 751−0...
