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RT8205MGQW
+BOMIC REG CTRLR NOTEBK 2OUT WQFN-24
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メーカーリッチテックUSA株式会社
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メーカー品番 #RT8205MGQW
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データシート RT8205MGQW DataSheet
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パッケージ WQFN-24
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在庫状況7129
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Applications | Controller, Notebook Power System |
| Voltage - Input | 6V ~ 25V |
| Number of Outputs | 4 |
| Voltage - Output | 2V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概要
Description
The RT8205MGQW supports a wide input voltage range and delivers two independent output voltages, making it versatile for powering different system components. It includes various protective features, such as over-current protection (OCP), under-voltage lockout (UVLO), and thermal shutdown, ensuring reliable operation. Additionally, the device offers adjustable switching frequency and an internal soft-start function to minimize inrush current.
With a compact QFN package, the RT8205MGQW is designed for space-constrained applications, offering efficient power conversion with minimal external components. Its high efficiency and low quiescent current make it suitable for battery-powered devices, optimizing battery life and performance.
Equivalent
1. TPS51225 from Texas Instruments - Dual synchronous step-down controller.
2. ISL95836 from Renesas - Dual PWM controller for microprocessor core power.
3. NCP81253 from ON Semiconductor - Dual-output VR12.5 SMPS controller.
These alternatives offer similar functionalities, but compatibility should be verified based on specific design requirements and electrical characteristics.
Features
1. Dual Outputs: It supports two voltage outputs, one from a buck controller and another from a linear regulator.
2. Synchronous Rectification: Enhances efficiency by reducing power loss during the conversion process.
3. Integrated MOSFET Drivers: Simplifies design and reduces external component count.
4. Adjustable Output Voltages: Provides flexibility to support various load requirements with programmable output voltages.
5. Power Good Indicator: Offers a signal indicating when the outputs are within specified voltage ranges.
6. Soft-Start Function: Prevents inrush current at startup, enhancing system reliability.
7. Over-Voltage Protection (OVP): Safeguards the system by shutting down the output in case of excessive voltage.
8. Thermal Shutdown: Protects the device from overheating by disabling outputs when a critical temperature is reached.
These features make the RT8205MGQW suitable for efficient power management in compact electronic systems.
Pinout
1. Dual synchronous buck controller.
2. Supports adjustable output voltages.
3. Power efficiency optimization through pulse-width modulation.
4. Integrated MOSFET drivers.
5. Features for protection, such as over-current protection, under-voltage lockout, and thermal shutdown.
The 32 pins of the package are assigned to functions critical to the operation of the dual buck converters, handling power supply tasks, feedback loops, control signals, and system interfacing. The detailed pin configuration can be found in the datasheet provided by the manufacturer, Richtek, which outlines each pin's specific role and electrical characteristics.