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RT8284 - 340kHz Synchronous Step-Down Converter

Description

The RT8284 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 Input Voltage Range : 4.5V to 23V 2A Output Current Integrated N-MOSFETs Current Mode Control 340kHz Fixed Frequency Operation Output Adjustable Voltage Range : 0.923V to 20V Efficiency Up to 95% 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 RT8284 Package T.

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Datasheet Details

Part number RT8284
Manufacturer Richtek
File Size 345.18 KB
Description 340kHz Synchronous Step-Down Converter
Datasheet download datasheet RT8284 Datasheet

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Full PDF Text Transcription

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RT8284 2A, 23V, 340kHz Synchronous Step-Down Converter General Description The RT8284 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 RT8284'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 startup. The RT8284 also provides under voltage protection and thermal shutdown protection. The low current (< 3μA) shutdown mode provides output disconnect, enabling easy power management in battery powered systems.
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