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MAX1712 - High-Speed / Digitally Adjusted Step-Down Controllers

Features

  • o Ultra-High Efficiency o No Current-Sense Resistor (Lossless ILIMIT) o Quick-PWM with 100ns Load-Step Response o ±1% VOUT Accuracy over Line and Load o 4-Bit On-Board DAC (MAX1710) o 5-Bit On-Board DAC (MAX1711/MAX1712) o 0.925V to 2V Output Adjust Range (MAX1711/MAX1712) o 2V to 28V Battery Input Range o 200/300/400/550kHz Switching Frequency o Remote GND and VOUT Sensing o Over/Undervoltage Protection o 1.7ms Digital Soft-Start o Drive Large Synchronous-Rectifier FETs o 2V ±1% Reference Outpu.

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Full PDF Text Transcription

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19-4781; Rev 1; 7/00 KIT ATION EVALU E L B A AVAIL High-Speed, Digitally Adjusted Step-Down Controllers for Notebook CPUs General Description Features o Ultra-High Efficiency o No Current-Sense Resistor (Lossless ILIMIT) o Quick-PWM with 100ns Load-Step Response o ±1% VOUT Accuracy over Line and Load o 4-Bit On-Board DAC (MAX1710) o 5-Bit On-Board DAC (MAX1711/MAX1712) o 0.925V to 2V Output Adjust Range (MAX1711/MAX1712) o 2V to 28V Battery Input Range o 200/300/400/550kHz Switching Frequency o Remote GND and VOUT Sensing o Over/Undervoltage Protection o 1.
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