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RT8105 - 5V/12V Synchronous Buck PWM DC-DC Controller

General Description

The RT8105 is a high efficiency synchronous buck PWM controllers that generate logic-supply voltages in PC based systems.

Key Features

  • z z z z z Operating with 5V or 12V Supply Voltage Drives All Low Cost N-MOSFETs Voltage Mode PWM Control 300kHz Fixed Frequency Oscillator Fast Transient Response : ` High-Speed GM Amplifier ` Full 0 to 100% Duty Ratio Internal Soft-Start Adaptive Non-Overlapping Gate Driver Over-Current Fault Monitor on MOSFET, No Current Sense Resistor Required Full-Time Over Voltage Protection RoHS Compliant and Halogen Free z z z z z.

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Datasheet Details

Part number RT8105
Manufacturer RichTek Technology
File Size 277.38 KB
Description 5V/12V Synchronous Buck PWM DC-DC Controller
Datasheet download datasheet RT8105 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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RT8105 5V/12V Synchronous Buck PWM DC/DC Controller General Description The RT8105 is a high efficiency synchronous buck PWM controllers that generate logic-supply voltages in PC based systems. These high performance , single output devices include internal soft-start, frequency compensation networks and integrates all of the control, output adjustment, monitoring and protection functions into a single package. The device operating at fixed 300kHz frequency provides an optimum compromise between efficiency, external component size, and cost. Adjustable over-current protection (OCP) monitors the voltage drop across the RDS(ON) of the lower MOSFET for synchronous buck PWM DC/DC controller.