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RT8206L - Main Power Supply Controller

Description

The RT8206L/M dual step-down, Switch-Mode PowerSupply (SMPS) controller generates logic-supply voltages in battery-powered systems.

The RT8206L/M 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 RT8206L/M 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 – RT8206L

Datasheet Details

Part number RT8206L
Manufacturer Richtek
File Size 539.11 KB
Description Main Power Supply Controller
Datasheet download datasheet RT8206L Datasheet
Additional preview pages of the RT8206L datasheet.

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Full PDF Text Transcription

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® RT8206L/M High Efficiency, Main Power Supply Controller for Notebook Computers General Description The RT8206L/M dual step-down, Switch-Mode PowerSupply (SMPS) controller generates logic-supply voltages in battery-powered systems. The RT8206L/M 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 (RT8206L). 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 RT8206L/M 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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