• Part: NCP1603
  • Description: PFC/PWM Combo Controller
  • Manufacturer: onsemi
  • Size: 300.19 KB
Download NCP1603 Datasheet PDF
onsemi
NCP1603
NCP1603 is PFC/PWM Combo Controller manufactured by onsemi.
features of the device are listed below. Features - This is a Pb- Free Device- PFC Features - Near- Unity Power Factor in Discontinuous and Critical Mode (DCM and CRM) - Voltage- Mode Operation - Low Startup and Shutdown Current Consumption - Programmable Switching Frequency for DCM - Synchronization Capability - Overvoltage Protection (107% of Nominal Output Level) - Undervoltage Protection or Shutdown (8% of Nominal Output Level) - Programmable Overcurrent Protection - Thermal Shutdown with Hysteresis (95/140°C) - Undervoltage Lockout with Hysteresis (9.0/10.5 V) PWM Features - Integrated Lossless High Voltage Startup Current Source - 100 k Hz PWM Current- Mode Operation with Skipping Cycle Capability During Standby Condition - PFC Bias Voltage is Disabled in Standby Condition to Achieve Extremely Low No- Load Standby Power Consumption - Fault Protection Implemented by a Timer and Independent of Badly Coupled Auxiliary Transformer Winding - Primary Overcurrent Protection and Latched Overvoltage Protection - Internal 2.5 ms Soft- Start - "6.4% Frequency Jittering for Improved EMI Performance - Latched Thermal Shutdown with Hysteresis (140/165°C) - Undervoltage Lockout with Hysteresis (5.6/7.7/12.6 V) Applications - Notebook Adapters - TV/Monitors http://onsemi. MARKING DIAGRAM 1 SO- 16 D SUFFIX CASE 751B 1603D100G AWLYWW A = Assembly Location WL = Wafer Lot Y = Year WW = Work Week G = Pb- Free...