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RT6239B Datasheet

Part Number RT6239B
Manufacturers Richtek
Logo Richtek
Description Synchronous Step-Down Converter
Datasheet RT6239B DatasheetRT6239B Datasheet (PDF)

® RT6239A/B 9A, 18V, 500kHz, ACOTTM Synchronous Step-Down Converter General Description The RT6239A/B is a high-performance 500kHz, 9A stepdown regulator with internal power switches and synchronous rectifiers. 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.

  RT6239B   RT6239B






Part Number RT6239A
Manufacturers Richtek
Logo Richtek
Description Synchronous Step-Down Converter
Datasheet RT6239B DatasheetRT6239A Datasheet (PDF)

® RT6239A/B 9A, 18V, 500kHz, ACOTTM Synchronous Step-Down Converter General Description The RT6239A/B is a high-performance 500kHz, 9A stepdown regulator with internal power switches and synchronous rectifiers. 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.

  RT6239B   RT6239B







Synchronous Step-Down Converter

® RT6239A/B 9A, 18V, 500kHz, ACOTTM Synchronous Step-Down Converter General Description The RT6239A/B is a high-performance 500kHz, 9A stepdown regulator with internal power switches and synchronous rectifiers. 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 0.7V 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 RT6239A/B is stable with and optimized for ceramic output capacitors. With internal 30mΩ switches and 12mΩ synchronous rectifiers, the RT6239A/B 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 provides protection against shorted outputs, input under-voltage lockout, externally-adjustable soft-start, output under- and over-voltage protection, and thermal shutdown provide safe and smooth operation in all operating conditions. The RT6239A/B is available in the.


2016-05-28 : HA72T-06R10LF    SSF6N80G    SSF6NS65UF    SSF6N80F    SSF6N70GM    SSF6N70G    SSF6N80A    SSF6N60G    SSF5NS70UG    SSF5NS70UF   


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