* a proprietary valley-lockout circuitry, ensuring stable valley switching. This system works down to the 6th valley and transitions to frequency foldback mode to reduce switching losses. As the load decreases further, the NCP1340 enters quiet-skip mode to manage the power delivery while minimizing ac
NCP1340
2.15 MB
Controller featuring valley lock-out switching.
DATA SHEET www.onsemi.com
High-Voltage, Quasi-Resonant, Controller Featuring Valley Lock-Out Switching
8
1
SOIC-8 NB D SUFFIX CASE 751
9 1
SOIC-9 N.
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