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RT8240B

Richtek
Part Number RT8240B
Manufacturer Richtek
Description High Efficiency Single Synchronous Buck PWM Controller
Published Apr 17, 2018
Detailed Description ® RT8240A/B/C High Efficiency Single Synchronous Buck PWM Controller General Description Features The RT8240A/B/C PW...
Datasheet PDF File RT8240B PDF File

RT8240B
RT8240B

Overview
...M controller provides high efficiency, excellent transient response, and high DC output accuracy needed for stepping down high voltage batteries to generate low voltage CPU core, I/O, and chipset RAM supplies in notebook computers.
The RT8240A/B/C supports on chip voltage programming function between 1V and 1.
05V by controlling G0 digital inputs.
The constant on-time PWM control scheme handles wide input/output voltage ratios with ease and provides 100ns “instant-on” response to load transients while maintaining a relatively constant switching frequency.
The RT8240A/B/C achieves high efficiency at a reduced cost by eliminating the current sense resistor found in traditional current mode PWMs...


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