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RT8282B - 1.2MHz Synchronous Step-Down Converter

Datasheet Summary

Description

The RT8282B is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 2A output current from a 4.5V to 23V input supply.

Features

  • ±1.5% High Accuracy Feedback Voltage 4.5V to 23V Input Voltage Range 2A Output Current Integrated N-MOSFET Switches Current Mode Control Fixed Frequency Operation : 1.2MHz Adjustable Output from 0.8V to 20V Up to 95% Efficiency Programmable Soft-Start Stable with Low-ESR Ceramic Output Capacitors Cycle-by-Cycle Over Current Protection Input Under Voltage Lockout Output Under Voltage Protection Thermal Shutdown Protection RoHS Compliant and Halogen Free Ordering Information RT8282B Package Type.

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Datasheet Details

Part number RT8282B
Manufacturer Richtek
File Size 269.61 KB
Description 1.2MHz Synchronous Step-Down Converter
Datasheet download datasheet RT8282B Datasheet
Additional preview pages of the RT8282B datasheet.

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Full PDF Text Transcription

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RT8282B 2A, 23V, 1.2MHz Synchronous Step-Down Converter General Description The RT8282B is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 2A output current from a 4.5V to 23V input supply. The RT8282B's current mode architecture and external compensation allow the transient response to be optimized over a wide range of loads and output capacitors. Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start-up. The RT8282B also provides under voltage protection and thermal shutdown protection. The low current (<3μA) shutdown mode provides output disconnect, enabling easy power management in batterypowered systems. The RT8282B is available in a SOP-8 (Exposed Pad) package.
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