RT6575BGQW RT6575B 3F (3F=XX) IC Chip

Description

The RT6575BGQW is a high‑integration power management IC designed for systems requiring multiple regulated voltage rails from a single input source. This device incorporates two synchronous step‑down (buck) regulators and two low‑dropout (LDO) regulators in one compact 20‑lead WQFN (3 × 3 mm) exposed‑pad surface‑mount package, making it especially suitable for space‑constrained applications.

Key features include:

• Two buck converters that support adjustable output voltages (for example ~2.0 V to 5.5 V for one, ~2.0 V to 4.0 V for the other)

• Two LDO regulators (e.g., fixed 3.3 V output at ~100 mA or user‑adjustable)

• Input supply voltage range typically from about 5 V up to ~25 V

• Switching frequencies around 300 kHz and 355 kHz ensure efficient conversion

• Integrated sequencer for orderly start‑up of multiple rails

• Wide ambient temperature range (e.g., –40 °C to +85 °C)

• Package: 20‑WQFN with exposed pad for good thermal dissipation

Typical applications for the RT6575BGQW include portable devices, board‑level power distribution in laptops, embedded systems, networking equipment, and any electronics requiring multiple voltage rails from one power input. With its multi‑rail management, it simplifies layout, reduces component count, and improves reliability of power sequencing and regulation.

Whether your design needs to power logic, analog, and peripheral rails all in one module — the RT6575BGQW offers a compact, efficient solution for system‑level power architecture.

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