The RT2853A/B are high-performance 650kHz 3A stepdown
regulators with internal power switches and
synchronous rectifiers. They feature quick transient
response using their 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 7V.
The proprietary ACOTTM control improves upon other fastresponse
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 RT2853A/B are stable
with and optimized for ceramic output capacitors.
RT2853AHGQW
RT2853ALGQW
RT2853BHGQW
RT2853BLGQW资料下载
