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MAX1988

Maxim Integrated Products
Part Number MAX1988
Manufacturer Maxim Integrated Products
Description (MAX1987 / MAX1988) Quick-PWM Controllers
Published Apr 23, 2012
Detailed Description 19-2559; Rev 0; 7/02 PRELIMINARY Dual-Phase, Quick-PWM Controllers for IMVP-IV CPU Core Power Supplies CONFIDENTIAL IN...
Datasheet PDF File MAX1988 PDF File

MAX1988
MAX1988

Overview
19-2559; Rev 0; 7/02 PRELIMINARY Dual-Phase, Quick-PWM Controllers for IMVP-IV CPU Core Power Supplies CONFIDENTIAL INFORMATION—RESTRICTED TO INTEL IMVP LICENSEES General Description The MAX1987/MAX1988 are dual-phase, Quick-PWM™, step-down controllers for IMVP-IV™ CPU core supplies.
Dual-phase operation reduces input ripple current requirements and output voltage ripple, while easing component selection and layout difficulties.
The QuickPWM control scheme provides instantaneous response to fast load-current steps.
The MAX1987/MAX1988 include active voltage positioning with adjustable gain and offset, reducing power dissipation and bulk output capacitance requirements.
The MAX1987/MAX1988 are intended for two different notebook CPU core applications: stepping down the battery directly or stepping down the 5V system supply to create the core voltage.
The single-stage conversion method allows these devices to directly step down highvoltage batteries for the highest possible efficiency...


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