規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | ACOT™ |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 18V |
| Voltage - Output (Min/Fixed) | 0.765V |
| Voltage - Output (Max) | 8V |
| Current - Output | 3A |
| Frequency - Switching | 700kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The RT7275GQW is a high-efficiency, synchronous step-down DC-DC converter designed for use in a wide range of electronic devices. It is produced by Richtek Technology Corporation, a leading manufacturer of integrated circuits. The RT7275GQW is known for its compact size, making it ideal for applications where space is limited, such as in portable devices, telecommunications equipment, and industrial electronics.
Key features of the RT7275GQW include its ability to deliver up to 2A of continuous output current, a high switching frequency of 500kHz to 2.4MHz, and an adjustable output voltage range. It also includes protection features like over-temperature protection, under-voltage lockout, and over-current protection, which enhance its operational reliability.
The converter operates with high efficiency across a wide load range, which helps in reducing power loss and heat generation. Its synchronous rectification architecture improves efficiency, particularly in applications requiring low voltage output. Overall, the RT7275GQW is favored for its performance, reliability, and design flexibility in power management solutions.
Key features of the RT7275GQW include its ability to deliver up to 2A of continuous output current, a high switching frequency of 500kHz to 2.4MHz, and an adjustable output voltage range. It also includes protection features like over-temperature protection, under-voltage lockout, and over-current protection, which enhance its operational reliability.
The converter operates with high efficiency across a wide load range, which helps in reducing power loss and heat generation. Its synchronous rectification architecture improves efficiency, particularly in applications requiring low voltage output. Overall, the RT7275GQW is favored for its performance, reliability, and design flexibility in power management solutions.
Equivalent
The RT7275GQW is a DC-DC step-down converter from Richtek. Equivalent products from other manufacturers include the MP1584 from MPS (Monolithic Power Systems), LM2596 from Texas Instruments, and the XL4015 or XL4016 from XLSEMI. These alternatives offer similar output current capabilities and voltage ranges suitable for various applications. Always verify electrical characteristics, package type, and application suitability before replacing components.
Features
The RT7275GQW is a step-down DC-DC converter with the following features:
1. Input Voltage Range: Operates efficiently within a wide range of input voltages, typically from 4.5V to 18V, making it versatile for various applications.
2. Output Voltage: Adjustable output voltage from 0.8V to 15V, allowing customization to meet specific requirements.
3. Output Current: Can deliver up to 2A of continuous output current, suitable for powering moderate loads.
4. Efficiency: Designed for high efficiency, often exceeding 90%, which helps in reducing power loss and heat generation.
5. Switching Frequency: Features a fixed high switching frequency, typically around 500kHz to 1.2MHz, which enables the use of small-sized external components.
6. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout to enhance reliability and safety.
7. Package: Available in a compact, thermally-enhanced package, such as the WQFN, for efficient heat dissipation and space-saving on PCBs.
8. Applications: Ideal for use in consumer electronics, communication devices, and battery-powered equipment due to its compact size and efficient performance.
1. Input Voltage Range: Operates efficiently within a wide range of input voltages, typically from 4.5V to 18V, making it versatile for various applications.
2. Output Voltage: Adjustable output voltage from 0.8V to 15V, allowing customization to meet specific requirements.
3. Output Current: Can deliver up to 2A of continuous output current, suitable for powering moderate loads.
4. Efficiency: Designed for high efficiency, often exceeding 90%, which helps in reducing power loss and heat generation.
5. Switching Frequency: Features a fixed high switching frequency, typically around 500kHz to 1.2MHz, which enables the use of small-sized external components.
6. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout to enhance reliability and safety.
7. Package: Available in a compact, thermally-enhanced package, such as the WQFN, for efficient heat dissipation and space-saving on PCBs.
8. Applications: Ideal for use in consumer electronics, communication devices, and battery-powered equipment due to its compact size and efficient performance.
Pinout
The RT7275GQW is a synchronous step-down DC-DC converter. It typically comes in a WQFN-20L 3x3 package, which means it has 20 pins. The main function of the RT7275GQW is to convert a higher input voltage to a lower output voltage with high efficiency, making it suitable for various applications such as power supplies for microprocessors and other digital circuits.
Key functions and features include:
- Wide Input Voltage Range: Supports a wide range of input voltages.
- High Efficiency: Provides high power conversion efficiency.
- Adjustable Output Voltage: Allows the output voltage to be set via external resistors.
- Integrated High-Side and Low-Side MOSFETs: For improved efficiency and reduced external component count.
- Current Mode Control: Offers fast transient response and easy loop stabilization.
- Protection Features: Includes over-current protection, under-voltage lockout, and thermal shutdown for safe operation.
Key functions and features include:
- Wide Input Voltage Range: Supports a wide range of input voltages.
- High Efficiency: Provides high power conversion efficiency.
- Adjustable Output Voltage: Allows the output voltage to be set via external resistors.
- Integrated High-Side and Low-Side MOSFETs: For improved efficiency and reduced external component count.
- Current Mode Control: Offers fast transient response and easy loop stabilization.
- Protection Features: Includes over-current protection, under-voltage lockout, and thermal shutdown for safe operation.
Manufacturer
The RT7275GQW is manufactured by Richtek Technology Corporation. Richtek is a company that specializes in designing and manufacturing analog integrated circuit (IC) solutions. Richtek's products are commonly used in various electronics, including consumer electronics, computers, and industrial applications. The company is known for its power management ICs, which are integral in efficiently managing power distribution in electronic devices. Based in Taiwan, Richtek is a significant player in the semiconductor industry and collaborates with various technology companies to provide energy-efficient solutions.
Application
The RT7275GQW is a DC-DC step-down converter, and its application areas include powering microprocessors, FPGAs, DSPs, and ASICs in various electronic devices. It is also used in consumer electronics, telecommunications, networking equipment, industrial automation, and embedded systems. The converter is suitable for applications requiring efficient power management and voltage regulation, such as portable devices, battery-powered equipment, and distributed power systems. Its compact design and high efficiency make it ideal for space-constrained environments where reliable power supply is critical.
Package
The RT7275GQW is typically available in a WQFN-16L package. This package type is a quad flat no-leads form factor, which is compact, thermally efficient, and suitable for surface-mount technology.
