MAX1927, MAX1928 Low-Output-Voltage, 800mA, PWM Step-Down DC-DC Converters

The MAX1927 MAX1928 800mA Step-down converters power low-voltage Microprocessors in compact equipment requiring the highest possible efficiency. The MAX1927 MAX1928 are optimized for generating low output voltages (down to 750mV) at high efficiency using small external components. The supply voltage range is from 2.6V to 5.5V and the guaranteed minimum output current is 800mA. 1MHz pulse-width modulation (PWM) switching allows for small external components. A unique control scheme minimizes ripple at light loads, while maintaining a low 140A quiescent current.
The MAX1927 MAX1928 include a low on-resistance internal MOSFET Switch and synchronous Rectifier to maximize efficiency and minimize external component count. No external Diode is needed. 100% duty-cycle operation allows for a dropout voltage of only 340mV at 800mA. Other features include internal soft-start, power-OK (POK) output, and selectable forced PWM operation for lower noise at all load currents.
The MAX1928 is available with several preset output voltages: 1.5V (MAX1928-15), 1.8V (MAX1928-18), and 2.5V (MAX1928-25). The MAX1927R has adjustable output range down to 0.75V. The MAX1927 MAX1928 are available in a tiny 10-pin MAX package.
By Maxim Integrated Products
Part Manufacturer Description Datasheet Samples
MAX1928EVKIT Maxim Integrated Products Evaluation Kit for the MAX1927, MAX1928
MAX1928EUB25+T Maxim Integrated Products Switching Regulator, Current-mode, 0.8A, 1200kHz Switching Freq-Max, BICMOS, PDSO10, MICRO MAX PACKAGE-10
MAX1928EUB25+ Maxim Integrated Products Switching Regulator, Current-mode, 0.8A, 1200kHz Switching Freq-Max, BICMOS, PDSO10, MICRO MAX PACKAGE-10
MAX1928EUB15+ Maxim Integrated Products Switching Regulator, Current-mode, 0.8A, 1200kHz Switching Freq-Max, BICMOS, PDSO10, MICRO MAX PACKAGE-10
MAX1928EUB25 Maxim Integrated Products Switching Regulator, Current-mode, 0.8A, 1200kHz Switching Freq-Max, BICMOS, PDSO10, MICRO MAX PACKAGE-10
MAX1928EUB15+T Maxim Integrated Products Switching Regulator, Current-mode, 0.8A, 1200kHz Switching Freq-Max, BICMOS, PDSO10, MICRO MAX PACKAGE-10
MAX1928EUB18+T Maxim Integrated Products Switching Regulator, Current-mode, 0.8A, 1200kHz Switching Freq-Max, BICMOS, PDSO10, MICRO MAX PACKAGE-10
MAX1928EUB18+ Maxim Integrated Products Switching Regulator, Current-mode, 0.8A, 1200kHz Switching Freq-Max, BICMOS, PDSO10, MICRO MAX PACKAGE-10
MAX1928EUB25-T Maxim Integrated Products Switching Regulator, Current-mode, 0.8A, 1200kHz Switching Freq-Max, BICMOS, PDSO10, MICRO MAX PACKAGE-10
MAX1928EUB18-T Maxim Integrated Products Switching Regulator, Current-mode, 0.8A, 1200kHz Switching Freq-Max, BICMOS, PDSO10, MICRO MAX PACKAGE-10
MAX1928 's PackagesMAX1928 's pdf datasheet
MAX1928EUB25T uMAX
MAX1928EUB25 uMAX
MAX1928EUB18T uMAX
MAX1928EUB18 uMAX
MAX1928EUB15T uMAX
MAX1928EUB15 uMAX
MAX1928EUB25-T uMAX
MAX1928EUB18-T uMAX
MAX1928EUB15-T uMAX




MAX1928 Pinout, Pinouts
MAX1928 pinout,Pin out
This is one package pinout of MAX1928,If you need more pinouts please download MAX1928's pdf datasheet.

MAX1928 Application circuits
MAX1928 circuits
This is one application circuit of MAX1928,If you need more circuits,please download MAX1928's pdf datasheet.


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