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RT9241B - Two-Phase DC/DC Controller

Download the RT9241B datasheet PDF. This datasheet also covers the RT9241A variant, as both devices belong to the same two-phase dc/dc controller family and are provided as variant models within a single manufacturer datasheet.

General Description

The RT9241A/B is a two-phase buck DC/DC controller integrated with all control functions for high performance processor VRM.

The RT9241A/B drives 2 buck switching stages operating in 180 degree phase shift.

Key Features

  • z Two-Phase Power Conversion z VRM 9.0 DAC Output with Active Droop Compensation for Fast Load Transient z Precise Channel Current Sharing with Differential Sense Input z Hiccup Mode Over Current Protection z Programmable Under Voltage Lockout and Soft Start z High Ripple Frequency, (Channel Frequency Times Channel Number) z 100kHz Version (RT9241B) for Lower Switching Loss z RoHS Compliant and 100% Lead (Pb)-Free.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (RT9241A_RichTekTechnology.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number RT9241B
Manufacturer RichTek Technology
File Size 296.96 KB
Description Two-Phase DC/DC Controller
Datasheet download datasheet RT9241B Datasheet

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Other Datasheets by RichTek Technology

Part Number Description
RT9241A Two-Phase DC/DC Controller
RT9243 Multi-Phase PWM Controller
RT9244 Multi-Phase PWM Controller
RT9245 Multi-Phase PWM Controller
RT9245A Multi-Phase PWM Controller

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.

View original datasheet text
RT9241A/B Two-Phase DC/DC Controller for CPU Core Power Supply General Description The RT9241A/B is a two-phase buck DC/DC controller integrated with all control functions for high performance processor VRM. The RT9241A/B drives 2 buck switching stages operating in 180 degree phase shift. The twophase architecture provides high output current while maintaining low power dissipation on power devices and low stress on input and output capacitors. The high equivalent operating frequency also reduces the component dimension and the output voltage ripple in load transient. RT9241A/B regulates both easily set voltage and current loops. Precise current sharing for power stage is achieved by differential input current sense and processing circuit.