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RT8125DGQW
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Product Detailed Parameters
- Description：IC REG CTRLR BUCK PWM WDFN-10
- Series：-
- Mfr：Richtek USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：1.5V ~ 24V
- Frequency - Switching：300kHz
- Duty Cycle (Max)：-
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Current Limit, Dead Time Control, Enable, Frequency Control, Phase Control, Power Good, Soft Start
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：10-WFDFN Exposed Pad
- Supplier Device Package：10-WDFN (3x3)
- Grade：-
- Qualification：-
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Overview
The RT8125DGQW is a high-efficiency single synchronous buck PWM controller manufactured by Richtek. It operates with an input voltage range of 1.5V to 24V and supports a fixed switching frequency of 300kHz. The device delivers an adjustable output voltage between 300mV and 3.3V, with a maximum output current capability of 100mA. It functions within a temperature range of -40°C to +85°C and is housed in a compact 10-WDFN (3x3) package.
Feature Summary
- Synchronous step-down DC/DC conversion topology for improved efficiency
- Integrated control features including current limit, soft start, and power good indication
- Compact surface-mount packaging suitable for space-constrained designs
Applications
- CPU core voltage regulation
- I/O power supply circuits
- Portable electronic devices requiring efficient step-down conversion
Procurement Notes
Verify the specific suffix 'DGQW' against the manufacturer's official datasheet to confirm pinout and electrical specifications match your design requirements. Ensure compatibility with the required WDFN-10 footprint and soldering profile. Confirm RoHS compliance status through the latest documentation provided by Richtek USA Inc. before finalizing procurement orders.
Selection Notes
Select this component when a low-power, single-output synchronous buck controller is required. It is suitable for applications needing an input voltage up to 24V and an output current around 100mA. Consider the 300kHz fixed frequency and 10-WDFN package size during PCB layout planning to ensure optimal thermal performance and electromagnetic interference management.
Part Context
This part belongs to the RT8125 family of synchronous buck controllers from Richtek. These ICs are designed for general-purpose power management in portable electronics. The DGQW variant specifically denotes the package type and temperature grade within the broader product line, sharing core architecture with other suffixes like CGQW or HGQW.
Replacement Considerations
Check for direct substitutes such as RT8125CGQW or RT8125HGQW if available. Verify that alternative parts maintain identical pinouts, electrical characteristics, and package dimensions to ensure drop-in compatibility without redesigning the printed circuit board.
