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RT8272GSP
+NomenclatureIC REG BUCK ADJUSTABLE 3A 8SOP
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FabricantRichtek USA Inc.
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Pièce fabricant #RT8272GSP
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Fiche technique RT8272GSP DataSheet
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Package 8-SOIC Exposed Pad
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En stock6437
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.75V |
| Voltage-Input(Max) | 24V |
| Voltage-Output(Min/Fixed) | 0.92V |
| Voltage-Output(Max) | 15V |
| Current-Output | 3A |
| Frequency-Switching | 1.2MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) Exposed Pad |
Présentation
Description
Key features include a high switching frequency, which allows the use of smaller external components, and an integrated high-side and low-side MOSFET, enhancing efficiency and reducing the need for additional components. The RT8272GSP offers precise voltage regulation and can deliver a stable output even under varying load conditions.
It also includes built-in protection features such as over-current protection, short-circuit protection, and thermal shutdown, ensuring safe operation in various environments. The compact SOP-8 package makes it suitable for space-constrained applications. Overall, the RT8272GSP is valued for its reliability, efficiency, and ease of use in power management solutions.
Equivalent
1. LM2596 by Texas Instruments - A popular buck converter with similar specifications.
2. XL4015 by XLSEMI - Offers similar voltage and current ratings.
3. MP1584 by Monolithic Power Systems - A compact buck converter alternative.
4. LM2675 by Texas Instruments - Another buck converter with comparable features.
These equivalents might differ slightly in specifications or features. Always check the datasheets for compatibility.
Features
1. Wide Input Voltage Range: It operates with a broad input voltage range, which typically spans from 4.5V to 18V, making it versatile for various applications.
2. High Efficiency: The device is designed for high efficiency, often exceeding 90%, which is achieved through its synchronous rectification.
3. Output Current: It can deliver an output current of up to 2A, supporting a range of power requirements.
4. Adjustable Output Voltage: The output voltage can be precisely controlled and adjusted via an external resistor divider.
5. Built-in Protection: The converter includes features like over-current protection (OCP), thermal shutdown, and under-voltage lockout (UVLO) to enhance reliability and safeguard against faults.
6. Compact Package: It typically comes in a small SOP-8 package, allowing for compact circuit designs.
7. Fixed Switching Frequency: The device operates at a fixed frequency, often around 500kHz, which helps in minimizing external component sizes and optimizing performance.
These attributes make the RT8272GSP suitable for use in consumer electronics, telecom equipment, and industrial applications.
Pinout
1. VIN: Input voltage supply pin.
2. GND: Ground pin.
3. SW: Switch node pin, connected to the inductor and diode.
4. BOOT: Bootstrap pin for high-side gate driver.
5. EN: Enable pin to turn the device on or off.
6. COMP: Compensation pin for stability control.
7. FB: Feedback pin for output voltage regulation.
8. SS: Soft-start control pin to limit inrush current.
These pins are designed to facilitate the regulation of a specified output voltage from a higher input voltage, suitable for a variety of applications involving power management. For more detailed electrical characteristics and application notes, refer to the manufacturer's datasheet.
Manufacturer
Application
1. Consumer Electronics: Provides stable power supply for devices like TVs, set-top boxes, and gaming consoles.
2. Telecommunications: Powers networking equipment such as routers and modems.
3. Industrial Automation: Used in control systems and instrumentation for reliable power management.
4. Automotive Electronics: Powers infotainment systems and advanced driver-assistance systems (ADAS).
5. Computing: Supports power management in laptops and desktop motherboards.
The RT8272GSP is favored for its high efficiency, compact size, and ability to handle a wide input voltage range, making it versatile for various electronic applications.