Enhanced, High-Efficiency Power Factor Controller

Features • Valley Synchronized Frequency Fold−back (VSFF): ♦ CrM at Heavy Load ♦ DCM at Light Load by Dead Time Control ♦ Valley Switching in Both CrM and DCM • On−time Modulation for High PFC in Both CrM and DCM • Follower Boost Capability (NCP1623A Only) ♦ Lowered Output Voltage Regulatio

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Dual Unbuffered Inverter

The NL27WZU04 is a high performance dual unbuffered inverter operating from a 1.65 to 5.5 V supply. Features • Designed for 1.65 V to 5.5 V VCC Operation • Input Overvoltage Tolerant up to 5.5 V • IOFF Supports Partial Power Down Protection • Source/Sink 24 mA at 3.0 V • Source/Sink 12 mA

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PWM Controller, Current Mode, for Offline Power Supplies

The NCP1250 is a highly integrated PWM controller capable of delivering a rugged and high performance offline power supply in a tiny TSOP−6 or PDIP−8 package. With a supply range up to 28 V, the controller hosts a jittered 65 kHz or 100 kHz switching circuitry operated in peak current mode con

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Low Power Offline PWM Current Mode Controller with Brown-Out Protection

The NCP1256 includes everything to build cost−effective switch mode power supplies ranging from a few watts up to several tens of watts. Housed in a tiny TSOP−6 package, the part can be supplied up to 30 V. It hosts a jittered 65 or 100−kHz switching circuitry operated in peak current mode con

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Secondary Side Synchronous Rectification Driver for High Efficiency SMPS Topologies

The NCP4307 is high performance driver tailored to control a synchronous rectification MOSFET in switch mode power supplies. Thanks to its high performance drivers and versatility, it can be used in various topologies such as DCM or CCM flyback, quasi resonant flyback and forward. Internal mi

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