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RT4812GJ8F
+БОМIC REG BOOST ADJ 2A TSOT23-8
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ПроизводительКомпания Richtek USA Inc.
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Мфр. Часть #RT4812GJ8F
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Лист данных RT4812GJ8F DataSheet
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Пакет TSOT-23-8
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В наличии6361
365 Дни гарантии качества
7*24 часы обслуживания каранти
90-гарантия послепродажного дня
Гарантия подлинного продукта
Спецификации
| Атрибут | Ценность |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Step-Up |
| Output Configuration | Positive |
| Topology | Boost |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 1.8V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 1.8V |
| Voltage - Output (Max) | 5.5V |
| Current - Output | 2A |
| Frequency - Switching | 500kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Обзор
Description
The RT4812GJ8F offers high efficiency, often above 90%, and operates at a high switching frequency, allowing for the use of smaller external components, which minimizes the overall size of the power management solution. It generally supports a wide input voltage range, making it versatile for various applications. Additionally, the IC includes protections like over-current protection, thermal shutdown, and under-voltage lockout, ensuring device safety and reliability.
Manufacturers utilize the RT4812GJ8F in applications such as smartphones, tablets, and other portable electronics where compact size, energy efficiency, and precise power delivery are crucial.
Equivalent
1. TPS63020 from Texas Instruments
2. LTC3115-1 from Analog Devices
3. MAX77801 from Maxim Integrated
4. ISL9111 from Renesas
These alternatives offer similar functionalities in terms of voltage conversion and efficiency. Always check the datasheets to ensure compatibility with your specific application.
Features
1. High Efficiency: It offers high-efficiency synchronous step-down conversion, minimizing power loss and improving thermal performance.
2. Wide Input Voltage Range: The device supports a broad input voltage range, making it suitable for various applications and powering different types of electronic devices.
3. Adjustable Output Voltage: It allows for adjustable output voltage, providing flexibility in meeting specific power requirements.
4. High-Frequency Operation: Operates at high frequencies, which helps reduce the size of external components and overall solution size.
5. Built-in Protection: Includes features like over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown to ensure safe operation.
6. Compact Packaging: Available in a small, space-saving package that is ideal for portable and space-constrained applications.
These features make the RT4812GJ8F suitable for use in consumer electronics, portable devices, and other applications requiring efficient power management.
Pinout
1. EN: Enable pin. This pin is used to enable or disable the device.
2. FB: Feedback pin. This pin is used to sense the output voltage for regulation.
3. GND: Ground connection.
4. LX: Switch pin. This is the switching node where the inductor is connected.
5. VCC: Supply voltage input.
6. PGND: Power ground. This is the ground return path for the power stage.
7. COMP: Compensation pin. This pin is used to stabilize the control loop.
8. SS: Soft-start pin. This pin controls the soft-start time.
The RT4812GJ8F is primarily used for step-down (buck) conversion, offering efficient DC-DC conversion for portable and compact electronic devices. Always refer to the manufacturer's datasheet for specific details and configurations.