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RT7234

Richtek
Part Number RT7234
Manufacturer Richtek
Description Synchronous Step-Down Converter
Published Sep 20, 2013
Detailed Description Reference Design Sample & Design Tools Buy ® RT7231/32/33/34 4A, 18V, 650kHz, ACOT® Synchronous Step-Down Conver...
Datasheet PDF File RT7234 PDF File

RT7234
RT7234

Overview
Reference Design Sample & Design Tools Buy ® RT7231/32/33/34 4A, 18V, 650kHz, ACOT® Synchronous Step-Down Converter General Description The RT7231/32/33/34 is a synchronous step-down DC/ DC converter with Advanced Constant On-Time (ACOT®) mode control.
It achieves high power density to deliver up to 4A output current from a 4.
5V to 18V input supply.
The proprietary ACOT® mode offers an optimal transient response over a wide range of loads and all kinds of ceramic capacitors, which allows the device to adopt very low ESR output capacitor for ensuring performance stabilization.
In addition, RT7231/32/33/34 keeps an excellent constant switching frequency under line and load variation and the integrated synchronous power switches with the ACOT® mode operation provides high efficiency in whole output current load range.
Cycle-by-cycle current limit provides an accurate protection by a valley detection of low side MOSFET and external soft-start setting eliminates input current surge...


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