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RT7247C - Synchronous Step-Down Converter

Description

The RT7247C is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 2A output current from a 4.5V to 18V input supply.

Features

  • z ±1.5% High Accuracy Reference Voltage z 4.5V to 18V Input Voltage Range z 2A Output Current z Integrated N-MOSFET Switches z Current Mode Control z Fixed Frequency Operation : 800kHz z Output Adjustable from 0.8V to 12V z Stable with Low ESR Ceramic Output Capacitors z Up to 95% Efficiency z Programmable Soft-Start z Cycle-by-Cycle Over Current Limit z Input Under Voltage Lockout z Output Under Voltage Protection z Thermal Shutdown Protection z RoHS Compliant and Halogen Free.

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Datasheet preview – RT7247C

Datasheet Details

Part number RT7247C
Manufacturer Richtek
File Size 272.15 KB
Description Synchronous Step-Down Converter
Datasheet download datasheet RT7247C Datasheet
Additional preview pages of the RT7247C datasheet.

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Full PDF Text Transcription

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Reference Design Sample & Design Tools Buy ® RT7247C 2A, 18V, 800kHz Synchronous Step-Down Converter General Description The RT7247C is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 2A output current from a 4.5V to 18V input supply. The RT7247C's current mode architecture and external compensation allow the transient response to be optimized over a wide input range and loads. Cycle-bycycle current limit provides protection against shorted outputs, and soft-start eliminates input current surge during start-up. The RT7247C also provides under voltage protection and thermal shutdown protection. The low current (<3µA) shutdown mode provides output disconnection, enabling easy power management in battery-powered systems.
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