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RT8206B - Main Power Supply Controller

This page provides the datasheet information for the RT8206B, a member of the RT8206A Main Power Supply Controller family.

Description

The RT8206A/B dual step-down, Switch Mode Power Supply (SMPS) controller generates logic supply voltages in battery powered systems.

The RT8206A/B includes two Pulse Width Modulation (PWM) controllers fixed at 5V/3.3V or adjustable from 2V to 5.5V.

Features

  • a linear regulator providing a fixed 5V output. The linear regulator provides up to 70mA output current with automatic linear regulator bootstrapping to the BYP input. The RT8206A/B includes on-board power up sequencing, the power good outputs, internal soft-start, and internal soft-discharge output that prevents negative voltages on shutdown. A constant on-time PWM control scheme operates without sense resistors and provides 100ns response to load transients while maintaining a relatively const.

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Datasheet preview – RT8206B

Datasheet Details

Part number RT8206B
Manufacturer Richtek
File Size 433.72 KB
Description Main Power Supply Controller
Datasheet download datasheet RT8206B Datasheet
Additional preview pages of the RT8206B datasheet.

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Full PDF Text Transcription

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RT8206A/B High Efficiency, Main Power Supply Controllers for Notebook Computers General Description The RT8206A/B dual step-down, Switch Mode Power Supply (SMPS) controller generates logic supply voltages in battery powered systems. The RT8206A/B includes two Pulse Width Modulation (PWM) controllers fixed at 5V/3.3V or adjustable from 2V to 5.5V. An optional external charge pump can be monitored through SECFB (RT8206A). This device also features a linear regulator providing a fixed 5V output. The linear regulator provides up to 70mA output current with automatic linear regulator bootstrapping to the BYP input. The RT8206A/B includes on-board power up sequencing, the power good outputs, internal soft-start, and internal soft-discharge output that prevents negative voltages on shutdown.
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