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MAX1623

Maxim
Part Number MAX1623
Manufacturer Maxim
Description 3A / Low-Voltage / Step-Down Regulator
Published May 6, 2005
Detailed Description 19-1436; Rev 1; 9/99 NUAL KIT MA ATION EET H S A EVALU T WS DA FOLLO 3A, Low-Voltage, Step-Down Regulator with Synchro...
Datasheet PDF File MAX1623 PDF File

MAX1623
MAX1623

Overview
19-1436; Rev 1; 9/99 NUAL KIT MA ATION EET H S A EVALU T WS DA FOLLO 3A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches General Description The MAX1623 switch-mode buck regulator with synchronous rectification provides local CPU and bus-termination power in notebook and desktop computers.
An internal 55mΩ (typ), 3A PMOS power switch and 60m Ω (typ), 3A NMOS synchronous-rectifier switch deliver continuous load currents up to 3A from a 5V supply with 95% typical efficiency.
Output accuracy is ±1%, including line and load regulation.
The MAX1623 features constant-off-time, current-mode pulse-width-modulation (PWM) control with switching frequencies as high as 350kHz.
An external resistor at the TOFF pin sets the off-time, allowing optimum design flexibility in terms of switching frequency, output switching noise, and inductor size.
This device is available in a space-saving 20-pin SSOP package.
____________________________Features o ±1% Output Acc...


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