RT7248 - Synchronous Step-Down Converter

Description

The RT7248 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 RT7248's current mode architecture and external compensation allow the transient response to be optimized over a wide input range and loads.

Features

±1.5% High Accuracy Feedback Voltage.
Input Voltage Range : 4.5V to 18V.
2A Output Current.
Integrated N-MOSFETs.
Current Mode Control.
340kHz Fixed Frequency Operation.
Output Adjustable Voltage Range : 0.923V to 15V.
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 Shutdo.

Richtek

📥 Download Datasheet

Datasheet Details

Part number	RT7248
Manufacturer	Richtek
File Size	239.17 KB
Description	Synchronous Step-Down Converter
Datasheet	RT7248 Datasheet
Additional preview pages of the RT7248 datasheet.

📁 Similar Datasheet

Other Datasheets by Richtek

RT7240 - Synchronous Step-Down Converter
RT7240A - Synchronous Step-Down Converter
RT7241A - Synchronous Buck Converter
RT7247A - Synchronous Step-Down Converter
RT7247B - 1.2MHz Synchronous Step-Down Converter
RT7247C - Synchronous Step-Down Converter
RT7249 - 18V Synchronous Step-Down Converter
RT7202K - Highly Integrated USB PD Type-C Controller

Full PDF Text Transcription

Click to expand full text

Design Sample & Tools Buy ® RT7248 2A, 18V, 340kHz Synchronous Step-Down Converter General Description The RT7248 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 RT7248's current mode architecture and external compensation allow the transient response to be optimized over a wide input range and loads. Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start up. The RT7248 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.

Published: Sep 20, 2013 |