RT5028AGQW Integrated Circuits (ICs) |
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Allicdata Part #: | RT5028AGQWTR-ND |
Manufacturer Part#: |
RT5028AGQW |
Price: | $ 2.31 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Richtek USA Inc. |
Short Description: | IC BUCK LDO MTP WQFN-56 |
More Detail: | Linear And Switching Voltage Regulator IC Output ... |
DataSheet: | RT5028AGQW Datasheet/PDF |
Quantity: | 1000 |
2500 +: | $ 2.10516 |
Series: | * |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Mounting Type: | Surface Mount |
Package / Case: | 56-WFQFN Exposed Pad |
Supplier Device Package: | 56-WQFN (7x7) |
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The RT5028AGQW is a Dual-Channel Power Management Unit (PMU) designed by Richtek. It is an advanced PMU featuring one linear regulator and one switching regulator, in order to support multiple power supply and multi-system application.
The RT5028AGQW operates as a DC-DC voltage regulator that operates by taking an input voltage and converting it into an output voltage at a specific current range. It has two individual and independent channels to provide a separate fixed voltage output. Channel 1 is a linear regulator, while Channel 2 is a voltage-mode switching regulator.
RT5028AGQW is designed to provide excellent line and load transient responses and support excellent power supply performance. Its built-in advanced power management and adaptive circuitry allow it to perform a wide variety of tasks in applications such as battery charging systems, computer power supplies, and system/processor/memory power design.
Application Field
The RT5028AGQW PMU is primarily used in battery charging systems, computer power supplies, and system/processor/memory power design. Its wide operating temperature range and programmable operating current range make it suitable for industrial and commercial applications.
The RT5028AGQW is also used for various consumer electronics such as mobile phones, tablets, wearables, multimedia devices and portable devices. Besides, it is suitable for electronic systems requiring high level of integration such as industrial and communications systems, automotive systems and consumer applications.
Working Principle
The RT5028AGQW works in two stages to provide two separate output voltages. It first uses DC-DC switching regulation to reduce the input voltage to the desired output voltage, and then uses linear voltage regulation to fine-tune the output voltage.
In Channel 1, it uses a linear regulator to ensure low output ripple and good line-regulation. The built-in P-FET switch can be used to turn the linear regulator off to save power. In Channel 2, it uses async-buck or PWM-Lite (Selectable mode) to regulate output voltage from the input voltage. These two stages combined provide excellent line and load transient responses and provide high output accuracy.
The RT5028AGQW features many protection and monitoring functions, including Thermal Shutdown (TSD), Input Voltage UVLO (Under Voltage Lock Out), Output Over Voltage Protection (OVP), and output Short Circuit Protection (SCP).
The RT5028AGQW is a high performance dual-channel PMU that offers excellent features and flexibility. It is ideal for various power supply and multi-system applications that require high level of integration.
The specific data is subject to PDF, and the above content is for reference
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