Richtek USA Inc. RT9258GQW

Mfr.Part #:

RT9258GQW

Manufacturer:

Description:
IC REG CTRLR BUCK 24WQFN

RoHS Status:

RoHS

Datasheet:

Payment:

Payment

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Specifications

Product Details

Product Comparison

Factory Lead Time
18 Weeks
Mounting Type

Mounting Type refers to the method by which an electronic component is attached to a printed circuit board (PCB) or other surface. Common mounting types include: * Through-hole: Component leads are inserted into holes in the PCB and soldered on the other side. * Surface-mount: Component is placed on the surface of the PCB and soldered in place. * Press-fit: Component is pressed into place on the PCB without soldering. * Socket: Component is inserted into a socket on the PCB, allowing for easy replacement. The mounting type is determined by factors such as the component's size, shape, and power requirements.

Surface Mount
Package / Case

Package / Case refers to the physical housing or enclosure that encapsulates an electronic component. It provides protection, facilitates handling, and enables electrical connections. The package type determines the component's size, shape, pin configuration, and mounting options. Common package types include DIP (dual in-line package), SOIC (small outline integrated circuit), and BGA (ball grid array). The package also influences the component's thermal and electrical performance.

24-WFQFN Exposed Pad
Surface Mount
YES
Operating Temperature

Operating Temperature is the range of temperatures at which an electronic component can function properly. It is typically specified in degrees Celsius (°C) and indicates the minimum and maximum temperatures at which the component can operate without experiencing damage or degradation. Operating Temperature is an important parameter to consider when designing electronic circuits, as it ensures that the components will function reliably in the intended operating environment.

-40°C~85°C TA
Packaging
Tape & Reel (TR)
Published
2011
Part Status

Part Status is an electronic component parameter that indicates the availability and production status of a component. It is typically used to inform customers about the availability of a component, whether it is in production, end-of-life, or obsolete. Part Status can also provide information about any restrictions or limitations on the component's use, such as whether it is only available for certain applications or if it has been discontinued.

Active
Moisture Sensitivity Level (MSL)

Moisture Sensitivity Level (MSL) is a measure of the susceptibility of a surface mount electronic component to moisture-induced damage during soldering. It is classified into six levels, from 1 (least sensitive) to 6 (most sensitive). MSL is determined by the materials used in the component's construction, including the solderability of its terminals and the presence of moisture-absorbing materials. Components with higher MSL ratings require more stringent handling and storage conditions to prevent moisture absorption and subsequent damage during soldering.

3 (168 Hours)
Number of Terminations
24
Subcategory
Switching Regulator or Controllers
Terminal Position
QUAD
Terminal Pitch
0.5mm
Function

Function refers to the primary purpose or role of an electronic component within a circuit. It describes the specific task or operation that the component is designed to perform. For example, a resistor's function is to limit current flow, a capacitor's function is to store electrical energy, and a transistor's function is to amplify or switch signals. Understanding the function of a component is crucial for selecting the appropriate component for a particular application and ensuring its proper operation within the circuit.

Step-Down
Number of Outputs

Number of Outputs refers to the number of independent output signals or channels that an electronic component can provide. It indicates the capability of the component to drive multiple external devices or circuits simultaneously. A higher number of outputs allows for greater flexibility and connectivity in electronic systems.

2
Output Type

Output type refers to the type of signal or power that an electronic component can produce. It can be analog or digital, AC or DC, and can vary in voltage, current, or power levels. The output type is determined by the component's design and is crucial for matching it with other components in a circuit. Understanding the output type ensures proper signal processing, power delivery, and overall system functionality.

Transistor Driver
Output Configuration

Output Configuration refers to the arrangement of output terminals or pins on an electronic component. It specifies the number, type, and arrangement of these terminals, allowing for various connection options. This parameter is crucial for determining the component's compatibility with other devices and ensuring proper signal flow within a circuit.

Positive
Voltage - Supply (Vcc/Vdd)
10.8V~13.2V
Control Features
Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start
Topology
Buck
Control Mode
VOLTAGE-MODE
Frequency - Switching
500kHz
Synchronous Rectifier
Yes
Max Duty Cycle
75 %
Clock Sync
No
RoHS Status
ROHS3 Compliant
Description
The RT9258 is a two-phase synchronous Buck PWM controller with integrated drivers optimized for high-performance graphic microprocessor and computer applications. It integrates a voltage mode PWM controller, two 5V MOSFET drivers with internal bootstrap diodes, and output current monitoring and protection functions into a WQFN-24L 4x4 package.

Features
Two-Phase Power Conversion with Single 12V Power Supply
Embedded 5V Upper Gate Driver and 12V Lower Gate Driver
Internal Regulated 5V Output
Precise Core Voltage Regulation
Selectable Internal/External Reference
Differential Inductor DCR Current Sense
External Programmable Voltage Droop Control
Enable Control for External Shutdown
Adjustable Operating Frequency
Adjustable Soft Start
Power Good and Output Current Indication
Adjustable Over Current Protection
Over Voltage Protection
Under Voltage Protection
Over Temperature Protection
RoHS Compliant and Halogen Free

Applications
Middle to High End GPU Core Power
High End Desktop PC Memory Core Power
Low Voltage, High Current DC/DC Converter
Voltage Regulator Modules
No Product Comparison

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