The NCP1288 is a new generation of the NCP12xx fixed−frequency current−mode controllers featuring a high−voltage startup current, pin−to−pin compatible with the previous generation.

FEATUREs
• Timer−Based Overload Protections with Auto− Recovery (Option B) or Latched (Option A) Operation
• High−Voltage Current Source with Built−in Brown−out and Line Overvoltage Protections
• Fixed−Frequency Current−Mode Operation with Built−in Ramp Compensation
• Frequency Jittering for a Reduced EMI Signature
• Adjustable Overpower Compensation
• Latch−off Input for Severe Fault Conditions, with Direct Connection of an NTC for Overtemperature Protection (OTP)
• Protection Against Winding Short−Circuit
• Frequency Foldback transitioning into Soft−Skip for Improved Performance in Standby
• 65 kHz Oscillator (100 kHz and 133 kHz Versions Available Upon Request)
• VCC Operation up to 28 V
• Increased Precision on Critical Parameters
• ±1.0 A Peak Drive Capability
• 4.0 ms Soft−Start
• Internal Thermal Shutdown with Hysteresis
• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant*

Typical Applications
• ac−dc Adapters for Notebooks, LCD, and Printers
• Offline Battery Chargers
• Consumer Electronic Power Supplies
• Auxiliary/Housekeeping Power Supplies