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NCP1126

ON Semiconductor
Part Number NCP1126
Manufacturer ON Semiconductor
Description High-Voltage Switcher
Published Jan 24, 2016
Detailed Description NCP1124, NCP1126, NCP1129 High Voltage Switcher for Offline Power Supplies The NCP112x products integrates a fixed−fre...
Datasheet PDF File NCP1126 PDF File

NCP1126
NCP1126

Overview
NCP1124, NCP1126, NCP1129 High Voltage Switcher for Offline Power Supplies The NCP112x products integrates a fixed−frequency peak current mode controller with a low on−resistance, 650 V MOSFET.
Available in a PDIP−7 package, the NCP112x offers a high level of integration, including soft−start, frequency−jittering, short−circuit protection, thermal shutdown protection, frequency foldback mode and skip−cycle to reduce power consumption in light load condition, peak current mode control with adjustable internal ramp compensation and adjustable peak current set point.
During nominal load operation, the part switches at one of the available frequencies (65 or 100 kHz).
When the output power demand diminishes, the IC automatically enters frequency foldback mode and provides excellent efficiency at light loads.
When the power demand reduces further, it enters into a skip mode to reduce the standby consumption down to no load condition.
Protection features include: a timer to detect an overl...


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