Hot-selling and scarce RT7232GQW Evaluation Board QFN spot stock

Product Descriptions

The RT7232 is a high-performance 650kHz 4A step down regulator with an internal power switch and synchronous  rectifier. It features quick transient response using its Advanced Constant On-Time (ACOTTM) control architecture  that provides stable operation with small ceramic output capacitors and without complicated external compensation,  among other benefits. The input voltage range is from 4.5V to 18V and the output is adjustable from 0.765V to 8V.

The proprietary ACOTTM control improves upon other fast response constant on-time architectures, achieving nearly  constant switching frequency over line, load, and output voltage ranges. Since there is no internal clock, response to  transients is nearly instantaneous and inductor current can ramp quickly to maintain output regulation without large  bulk output capacitance. The RT7232 is stable with and optimized for ceramic output capacitors.

With its internal 90mΩ switch and 60mΩ synchronous rectifier, the RT7232 displays excellent efficiency and good  behavior across a range of applications, especially for low output voltages and low duty cycles. Cycle-by cycle  current limit, input under-voltage lock-out, externally-adjustable soft-start, output under- and overvoltage protection,  and thermal shutdown provide safe and smooth operation in all operating conditions.

The RT7232 evaluation board uses the RT7232GQW IC in a WDFN-10L3x3 package with an exposed thermal pad.  The IC is also available in a PTSSOP-14 package with an exposed thermal pad.

Product Features

 Fast Transient Response

 Steady 650kHz Switching Frequency at PWM

 4A Output Current

 Advanced Constant On-Time (ACOTTM) Control

 Optimized for Ceramic Output Capacitors

 4.5V to 18V Input Voltage Range

 Internal 90mΩ Switch and 60mΩ Synchronous Rectifier

 0.765V to 8V Adjustable Output Voltage

 Externally-adjustable, Pre-biased Compatible Soft-Start

 Cycle-by-Cycle Current Limit

 Output Over- and Under-voltage Shut-down

Product Photos

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