MAX756, MAX757 3.3V/5V/Adjustable-Output, Step-Up DC-DC Converters

The MAX756 MAX757 are CMOS Step-up DC-DC Switching Regulators for small, low input voltage or battery-powered systems. The MAX756 accepts a positive input voltage down to 0.7V and converts it to a higher pin-selectable output voltage of 3.3V or 5V. The MAX757 is an adjustable version that accepts an input voltage down to 0.7V and generates a higher adjustable output voltage in the range from 2.7V to 5.5V. Typical full-load efficiencies for the MAX756 MAX757 4ec are greater than 87%.
The MAX756 MAX757 provide three improvements over previous devices. Physical size is reduced-the high switching frequencies (up to 0.5MHz) made possible by MOSFET Power Transistors allow for tiny (< 5mm diameter) surface-mount magnetics. Efficiency is improved to 87% (10% better than with low-voltage Regulators fabricated in bipolar technology). Supply current is reduced to 60A by CMOS construction and a unique constant-off-time pulse-frequency modulation control scheme.
By Maxim Integrated Products
MAX757 's PackagesMAX757 's pdf datasheet
MAX757C-D
MAX757CPA PDIP
MAX757EPA PDIP
MAX757CSA-T SOIC
MAX757CSA SOIC
MAX757CSAT SOIC
MAX757ESAT SOIC
MAX757ESA SOIC
MAX757ESA-T SOIC




MAX757 Pinout, Pinouts
MAX757 pinout,Pin out
This is one package pinout of MAX757,If you need more pinouts please download MAX757's pdf datasheet.

MAX757 Application circuits
MAX757 circuits
This is one application circuit of MAX757,If you need more circuits,please download MAX757's pdf datasheet.


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MAX757 Application Notes MAX757 RoHS MAX757 Circuits MAX757 footprint