PWM controller for wide input range synchronous buck dc-dc applications; ideal for +48 V or +60 V inputs
2.0 A capability; drives a pair of external N-Channel MOSFETs
Programmable switching frequency up to 500 kHz; optimized for efficiency and size
NCP1080NCP1081:
Integrated PoE-PD and DC-DC Converter Controllers
Integrated solution for medium and high power Ethernet applications; eliminates local power supplies/adapters
Robust device with superior ESD protection and excellent thermal characteristics; both are pin compatible in exposed pad TSSOP-20
NCP1080 delivers up to 13 W for traditional IEEE 802.3af PoE apps; NCP1081 delivers 25 W per draft IEEE 802.3at (D3.0) and up to 40 W for proprietary high power PoE apps
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