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RT8127

Richtek
Part Number RT8127
Manufacturer Richtek
Description High Efficiency Dual-Channel Output Synchronous Buck PWM Controller
Published Mar 25, 2017
Detailed Description ® RT8127 High Efficiency Dual-Channel Output Synchronous Buck PWM Controller with Phase Interleaving and Two LDO Regula...
Datasheet PDF File RT8127 PDF File

RT8127
RT8127

Overview
® RT8127 High Efficiency Dual-Channel Output Synchronous Buck PWM Controller with Phase Interleaving and Two LDO Regulators General Description The RT8127 is a high efficiency Dual-Channel output synchronous Buck PWM controller with integrated MOSFET drivers and two LDOs.
This part features Green Voltage Mode (GVMTM) control, which is specifically designed to improve efficiency at light load condition.
At light load condition, the RT8127 is pin configurable to automatically operate in diode emulation mode with constant on-time PFM to reduce switching frequency so as to improve conversion efficiency.
As the load current increases, the RT8127 leaves the diode emulation mode and operates in Continuous Conduction Mode (CCM) with fixed-frequency, 180° out of phase interleaved PWM to reduce input capacitance.
The RT8127 supports 4.
5V to 26V input voltage range and has integrated 5V LDO which supplies the internal gate drivers as well as the controller.
When channel 1 Buck regulator outpu...


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