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MAX1791 - High-Efficiency / 10-Pin MAX / Step-Down Controllers

Description

The MAX1762/MAX1791 PWM step-down controllers provide high efficiency, excellent transient response, and high DC output accuracy needed for stepping down high-voltage batteries to generate low-voltage CPU core, I/O, and chipset RAM supplies in notebook computers and PDAs.

Features

  • MAX1762/MAX1791 Ordering Information PART MAX1762EUB MAX1791EUB TEMP. RANGE -40°C to +85°C -40°C to +85°C PIN-.

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Datasheet preview – MAX1791

Datasheet Details

Part number MAX1791
Manufacturer Maxim Integrated
File Size 264.98 KB
Description High-Efficiency / 10-Pin MAX / Step-Down Controllers
Datasheet download datasheet MAX1791 Datasheet
Additional preview pages of the MAX1791 datasheet.

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Full PDF Text Transcription

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19-1923; Rev 0; 1/01 High-Efficiency, 10-Pin µMAX, Step-Down Controllers for Notebooks General Description The MAX1762/MAX1791 PWM step-down controllers provide high efficiency, excellent transient response, and high DC output accuracy needed for stepping down high-voltage batteries to generate low-voltage CPU core, I/O, and chipset RAM supplies in notebook computers and PDAs. Maxim’s proprietary Quick-PWM™ pulse-width modulator is a free-running constant on-time type with input feed-forward. Its high operating frequency (300kHz) allows small external components to be utilized in PC board area-critical applications such as subnotebook computers and smart phones. PWM operation occurs at heavy loads, and automatic switchover to pulse-skipping operation occurs at lighter loads.
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