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MAX1816 - Dual Step-Down Controllers Plus Linear Regulator Controller

Datasheet Summary

Description

The MAX1816/MAX1994 are dual step-down controllers for notebook computer applications.

BUCK1 is a CPU core regulator with dynamically adjustable output, ultrafast transient response, high DC accuracy, and high efficiency.

BUCK2 is an adjustable step-down regulator for I/O and memory supplies.

Features

  • an output-voltage adjustment range from 0.6V to 1.75V. Similarly, the MAX1994 is adjustable from 0.925V to 2.0V, using an alternate VID code set. While in suspend mode, the adjustment range is 0.7V to 1.075V for both the MAX1816 and MAX1994. Both parts are available in 48-pin thin QFN packages. o Dual Quick-PWM Architecture o ±1% VOUT Accuracy o 5-Bit On-Board D/A Converter o +0.60V to +1.75V Output Adjust Range (MAX1816) o +0.70V to +2.00V Output Adjust Range (MAX1994) o Voltage-Positioning Gai.

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Datasheet preview – MAX1816

Datasheet Details

Part number MAX1816
Manufacturer Maxim
File Size 0.96 MB
Description Dual Step-Down Controllers Plus Linear Regulator Controller
Datasheet download datasheet MAX1816 Datasheet
Additional preview pages of the MAX1816 datasheet.

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Full PDF Text Transcription

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19-2569; Rev 0; 10/02 Dual Step-Down Controllers Plus LinearRegulator Controller for Notebook Computers General Description The MAX1816/MAX1994 are dual step-down controllers for notebook computer applications. BUCK1 is a CPU core regulator with dynamically adjustable output, ultrafast transient response, high DC accuracy, and high efficiency. BUCK2 is an adjustable step-down regulator for I/O and memory supplies. Both regulators employ Maxim’s proprietary Quick-PWM™ control architecture. This fastresponse, constant-on-time PWM control scheme handles wide input/output voltage ratios with ease and provides 100ns “instant” on-response to load transients, while maintaining a relatively constant switching frequency.
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