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RT8077GQW
+BOMIC REG BUCK ADJUSTABLE 2A 8WDFN
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ManufacturerRichtek USA Inc.
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Mfr. Part #RT8077GQW
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Datasheet RT8077GQW DataSheet
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Package WDFN-8
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In Stock2380
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 2.6V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 5V |
| Current-Output | 2A |
| Frequency-Switching | 300kHz ~ 2MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-WFDFN Exposed Pad |
Overview
Description
Key features include a high switching frequency to reduce overall component size, built-in over-current protection, and thermal shutdown to enhance reliability and safety. The device's compact package and low quiescent current design make it ideal for space-constrained and battery-powered applications. The RT8077GQW ensures stable operation under various load conditions through its advanced feedback mechanism. With its blend of efficiency, flexibility, and protection features, the RT8077GQW is a versatile choice for modern power regulation needs.
Equivalent
Features
Key features include a high switching frequency of 1.5MHz, which allows the use of smaller external components, thus saving space. The RT8077GQW integrates both the high-side and low-side MOSFETs, enhancing efficiency and reducing the need for additional components. It also features a precise reference voltage (±2% accuracy) and a high-speed transient response, which ensures stable operation under varying load conditions.
The device incorporates built-in protection mechanisms such as over-temperature protection, over-current protection, and under-voltage lockout to enhance reliability. Its compact 6-pin WDFN package aids in space-constrained designs. Additionally, the RT8077GQW supports power-saving modes, including automatic pulse-skipping operation at light loads, to improve battery life in portable applications.
Pinout
Key features often include a fixed switching frequency, built-in high-side and low-side power MOSFETs for synchronous rectification, and various protection mechanisms like over-current protection, under-voltage lockout, and thermal shutdown. The device is designed to provide a stable and regulated output voltage, typically adjustable via external resistors. The specific pin functions include VIN for input voltage, VOUT for output voltage, EN for enabling the device, FB for feedback to regulate the output voltage, GND for ground, and others related to switching and control functions.
For precise pin configuration and functions, consulting the device's datasheet from the manufacturer is recommended.