Monolithic 1amp Dc:dc Step-down Regulator

The EL7551 is an integrated, synchronous Step-down Regulator with output voltage adjustable from 1.0V to 3.8V. It is capable of delivering 1A continuous current at up to 95% efficiency. The EL7551 operates at a constant frequency pulse width modulation (PWM) mode, making external synchronization possible. Patented on-chip resistorless current sensing enables current mode control, which provides cycle-by-cycle current limiting, over-current protection, and excellent step load response. The EL7551 is available in a fused-lead 16-pin QSOP package. With proper external components, the whole converter fits into a less than 0.4 in2 area. The minimal external components and small size make this EL7551 ideal for desktop and portable applications. The EL7551 is specified for operation over the -40C to +85C temperature range. By Intersil Corporation
EL7551 's PackagesEL7551 's pdf datasheet
EL7551CU QSOP
EL7551CU-T7 QSOP
EL7551CU-T13 QSOP

EL7551 pdf datasheet download


EL7551 Pinout, Pinouts
EL7551 pinout,Pin out
This is one package pinout of EL7551,If you need more pinouts please download EL7551's pdf datasheet.

EL7551 Application circuits
EL7551 circuits
This is one application circuit of EL7551,If you need more circuits,please download EL7551's pdf datasheet.


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