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Product Detailed Parameters
- Description：IC REG SGL BUCK 500KHZ 23QFN
- Series：-
- Mfr：Richtek USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Topology：Step-Down (Buck)
- Number of Outputs：1
- Frequency - Switching：500kHz
- Voltage/Current - Output 1：Adjustable, 0.6V ~ 5.5V, 8A
- Voltage/Current - Output 2：-
- Voltage/Current - Output 3：-
- w/LED Driver：No
- w/Supervisor：No
- w/Sequencer：No
- Voltage - Supply：4.5V ~ 23V
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：23-PowerUFQFN
- Supplier Device Package：23-UQFN (FC) (3x3)
- Grade：-
- Qualification：-
Download product information
Overview
The RT6338AHGQUF is a synchronous step-down converter from Richtek USA Inc., housed in a 23-UQFN(FC)(3x3) package. It operates with an input voltage range of 4.5V to 23V and delivers up to 8A of output current. The device features a fixed switching frequency of 500kHz and supports adjustable output voltages between 0.6V and 5.5V. It functions within a junction temperature range of -40°C to +125°C.
Feature Summary
- Integrates ACOT control architecture for enhanced transient response and stability
- Combines a high-current synchronous buck converter with integrated LDO outputs
- Supports flexible output voltage configuration via external resistor network
Applications
- Point-of-load regulation for industrial equipment
- Power distribution systems in communication infrastructure
- Embedded computing modules requiring stable DC supply
Procurement Notes
Verify the specific suffix against official datasheets to confirm pinout compatibility and thermal characteristics. Ensure the ordering information matches the required package variant and temperature grade. Cross-reference manufacturer part numbers to avoid substitution errors during procurement.
Selection Notes
Select this component when designing circuits requiring high current density in a compact footprint. The integrated LDO simplifies power rail generation by providing auxiliary voltages without additional discrete components. Evaluate thermal performance requirements based on the UQFN package capabilities and expected load conditions.
Part Context
This part belongs to the RT6338 series, which includes variants like the RT6338BGQUF. These devices are designed as PMIC solutions combining switching regulators with linear regulators. The series targets applications needing efficient power conversion alongside stable low-noise supplies for sensitive logic or memory components.
Replacement Considerations
The RT6338BGQUF is a documented variant within the same product family. Verify functional equivalence regarding output configurations and pin assignments before substituting.
