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...