onsemi NCP1342
The NCP1342 is a highly integrated quasi−resonant flyback controller suitable for designing high−performance off−line power converters. With an integrated active X2 capacitor discharge feature, the NCP1342 can enable no−load power consumption below 30 mW. The NCP1342 features a proprietary valley−lockout circuitry, ensuring stable valley switching.| Part No. | NCP1342 |
|---|---|
| Datasheet | NCP1342 Download |
| Manufacturer |  onsemi |
| Description | Quasi-Resonant Flyback Controller |
| Buy | Stock & Price |
FEATURES
● Integrated High−Voltage Startup Circuit with Brownout Detection● Integrated X2 Capacitor Discharge Capability
● Wide VCC Range from 9 V to 28 V
● 28 V VCC Overvoltage Protection
● Abnormal Overcurrent Fault Protection for Winding Short Circuit or Saturation Detection
● Internal Temperature Shutdown
● Valley Switching Operation with Valley−Lockout for Noise−Free Operation
● Frequency Foldback with 25 kHz Minimum Frequency Clamp for Increased Efficiency at Light Loads
● Rapid Frequency Foldback for Fast Reduction of Switching Frequency at Light Loads
● Skip Mode with Quiet−Skip Technology for Highest Performance During Light Loads
● Minimized Current Consumption for No Load Power Below 30 mW
● Frequency Jittering for Reduced EMI Signature
● Latching or Auto−Recovery Timer−Based Overload Protection
● Adjustable Overpower Protection (OPP)
● Adjustable Maximum Frequency Clamp
● Fault Pin for Severe Fault Conditions, NTC Compatible for OTP
● 4 ms Soft−Start Timer 9 1 SOIC−9 NB D...
