RT8105GS

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RT8105GS

IC REG CTRLR BUCK 8SOP

  • Fabricant
  • Mfr. Partie #RT8105GS
  • Paquet SOP-8
  • Fiche de données
  • En stock6548

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Spécifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputType Transistor Driver
Function Step-Down
OutputConfiguration Positive
Topology Buck
NumberofOutputs 1
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 4.75V ~ 13.2V
Frequency-Switching 300kHz
DutyCycle(Max) 100%
SynchronousRectifier Yes
ClockSync No
ControlFeatures Enable, Phase Control
OperatingTemperature -20°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Vue d'ensemble

Description

The RT8105GS is a voltage control IC (integrated circuit) commonly used in electronic devices for power management applications. It is typically designed for use in systems requiring precise voltage regulation to ensure stable and efficient performance. The IC is known for its high efficiency and reliability in converting and regulating voltage levels.
Key features of the RT8105GS include:
1. Wide Input Voltage Range: It supports a broad range of input voltages, making it versatile for various applications.
2. High Efficiency: The IC is designed to operate with high efficiency, minimizing power loss and heat generation.
3. Overcurrent Protection: It includes built-in protection mechanisms to prevent damage due to overcurrent conditions.
4. Thermal Shutdown: This feature helps prevent the IC from overheating by shutting it down in high-temperature conditions.
5. Compact Package: Its small size allows for integration in space-constrained environments.
Overall, the RT8105GS is suitable for use in computing, telecommunications, and consumer electronics, where stable power supply and efficient power management are critical.

Features

The RT8105GS is a synchronous buck PWM controller designed primarily for high-performance applications. It features a wide input voltage range, typically from 4.5V to 24V, making it versatile for various electronic devices. The controller supports a fixed-frequency operation, which aids in reducing electromagnetic interference (EMI) and enhances system stability.
Key features include adaptive voltage positioning to improve transient response, a precision reference voltage for accurate output voltage regulation, and internal soft-start to prevent inrush current during power-up. The RT8105GS also includes over-current protection, under-voltage lockout, and thermal shutdown features to ensure safe and reliable operation under adverse conditions.
Its design incorporates a high-speed operational amplifier, enabling rapid response to load changes, and provides for an adjustable output voltage via an external resistor divider. The compact package and the need for fewer external components make the RT8105GS an efficient choice for space-constrained applications like portable electronics, computing hardware, and industrial systems.

Package

The RT8105GS is typically available in a SOP-8 package, which is a Small Outline Package with 8 pins. This package type is commonly used for integrated circuits and provides a compact form factor suitable for various applications.

Pinout

The RT8105GS is a PWM controller specifically designed for synchronous step-down (buck) DC-DC converters. It typically comes in an 8-pin SOP package. Here is an overview of its pin functions:
1. UGATE: Drives the gate of the high-side MOSFET.
2. BOOT: Provides the bootstrap voltage necessary for the high-side MOSFET gate drive.
3. PHASE: Serves as the return path for the high-side gate driver.
4. LGATE: Drives the gate of the low-side MOSFET.
5. GND: Ground pin for the controller.
6. VCC: Supplies the power for the control circuitry.
7. COMP: Compensation pin for connecting an external compensation network to stabilize the voltage regulation loop.
8. FB: Feedback pin used to receive the output voltage of the converter for regulation purposes.
This IC is commonly used in applications requiring efficient voltage regulation, such as in computer motherboards, graphic cards, and other electronic devices.

Manufacturer

The RT8105GS is manufactured by Richtek Technology Corporation. Richtek is a company that specializes in designing and producing power management integrated circuits (ICs). They offer solutions for a wide range of applications, including consumer electronics, computers, communications devices, and industrial equipment. As a part of Taiwan Semiconductor Manufacturing Company (TSMC), Richtek is renowned for its expertise in analog and mixed-signal IC design, emphasizing innovation, quality, and energy efficiency.

Application

The RT8105GS is a PWM controller primarily used in computer motherboards, graphics cards, and other electronic devices for voltage regulation. It is designed to manage and stabilize the power supply to the CPU and GPU, ensuring efficient and reliable operation. Its primary application areas include desktop PCs, laptops, and workstations where precise power management is crucial for optimal performance and energy efficiency.

Equivalent

The RT8105GS is a buck converter controller. Equivalent products with similar functionality might include the Texas Instruments TPS51225, the ON Semiconductor NCP81253, and the Microchip Technology MCP19214. These alternatives offer similar voltage regulation and power management features. When selecting an equivalent, ensure the electrical specifications such as input/output voltage, current capacity, and switching frequency match your application needs.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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