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MAX1988 - (MAX1987 / MAX1988) Quick-PWM Controllers

This page provides the datasheet information for the MAX1988, a member of the MAX1987 (MAX1987 / MAX1988) Quick-PWM Controllers family.

Datasheet Summary

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.

Features

  • power-up sequencing, automatically ramping up to the Intelspecified boot voltage. The MAX1987/MAX1988 also feature independent four-level logic inputs for setting the boot voltage (B0 to B2) and the suspend voltage (S0 to S2). The MAX1987/MAX1988 include output undervoltage protection, thermal protection, and system power-OK (SYSPOK) input. When any of these protection features detect a fault, the controller shuts down. Additionally, the MAX1987 includes overvoltage protection. The MAX1987/MAX19.

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Datasheet preview – MAX1988

Datasheet Details

Part number MAX1988
Manufacturer Maxim Integrated Products
File Size 810.91 KB
Description (MAX1987 / MAX1988) Quick-PWM Controllers
Datasheet download datasheet MAX1988 Datasheet
Additional preview pages of the MAX1988 datasheet.

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Full PDF Text Transcription

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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.
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