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Product Detailed Parameters
- Description：IC 2CH CTRLR WITH LDO WQFN-20
- Series：-
- Mfr：Richtek USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Topology：Step-Down (Buck) Synchronous (2), Linear (LDO) (2)
- Number of Outputs：4
- Frequency - Switching：400kHz, 475kHz
- Voltage/Current - Output 1：Adjustable, Adjustable, Fixed, 2V ~ 5.5V
- Voltage/Current - Output 2：Adjustable, Adjustable, Fixed, 2V ~ 5.5V
- Voltage/Current - Output 3：Adjustable, Adjustable, Fixed, 3.3V, 100mA
- w/LED Driver：No
- w/Supervisor：No
- w/Sequencer：Yes
- Voltage - Supply：5V ~ 25V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-WFQFN Exposed Pad
- Supplier Device Package：20-WQFN (3x3)
- Grade：-
- Qualification：-
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Overview
The RT6585BGQW is a dual-channel synchronous DC/DC step-down controller with integrated 5V and 3.3V LDOs, manufactured by Richtek USA Inc. It features a 20-WQFN (3x3) package. The device operates as a 4-output step-down regulator, combining two switching channels with two linear regulators. It supports a switching frequency of 400kHz. This PMIC integrates power management functions into a compact form factor suitable for space-constrained applications.
Feature Summary
- Integrates dual-channel synchronous buck converters with dual low-dropout regulators
- Provides four distinct output voltage rails from a single component
- Utilizes a compact 20-pin WQFN package for board space optimization
Applications
- Portable consumer electronics requiring multi-rail power
- Embedded systems with mixed analog and digital power needs
- IoT devices with strict size constraints
Procurement Notes
Verify the exact ordering suffix and marking code against the manufacturer's latest datasheet to ensure compatibility with your design requirements. Confirm the package type and thermal characteristics match your PCB layout specifications before finalizing procurement decisions.
Selection Notes
Select this component when a system requires multiple regulated voltages including both switching and linear outputs within a limited footprint. Ensure the input voltage range and load current requirements align with the specific capabilities of the integrated buck and LDO channels.
Part Context
Richtek Technology Corporation specializes in power management integrated circuits. The RT6585BGQW belongs to their portfolio of voltage regulators designed for efficient energy conversion. This part represents a multifunctional solution integrating switching and linear regulation technologies.
FAQ
What is the switching frequency of the RT6585BGQW?
The device operates at a fixed switching frequency of 400kHz.
How many output channels does the RT6585BGQW provide?
It provides four output channels: two synchronous buck converter outputs and two LDO outputs.
