Thông số kỹ thuật
| thuộc tính | Giá trị |
| 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) | 3.2V |
| Voltage - Input (Max) | 22V |
| Voltage - Output (Min/Fixed) | 3.2V |
| Voltage - Output (Max) | 35V |
| Current - Output | 6A (Switch) |
| Frequency - Switching | 300kHz ~ 2MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Tổng quan
Description
The MP3426DL-LF-Z is a high-efficiency, step-up (boost) DC-DC converter designed to provide a regulated output voltage from a lower input voltage source. It is commonly used in battery-powered applications, such as portable electronic devices, where efficient power management is crucial. The device features a wide input voltage range and can deliver high output current, making it suitable for various applications requiring a boost in voltage levels. It is equipped with advanced features such as over-current protection, thermal shutdown, and soft-start functionality to enhance reliability and performance. The MP3426DL-LF-Z is housed in a compact package, making it ideal for space-constrained designs. Its high efficiency, typically over 90%, ensures minimal energy loss, prolonging battery life in portable applications. Additionally, the converter's low quiescent current helps to conserve energy when the device is in standby mode. Overall, the MP3426DL-LF-Z serves as a reliable and efficient solution for boosting voltage in low-voltage systems.
Equivalent
The MP3426DL-LF-Z is a high-efficiency step-up (boost) converter. Equivalent products could include the TPS61032 from Texas Instruments, the LT1308 from Analog Devices, and the FAN4860 from ON Semiconductor. These components offer similar functionalities, such as boosting voltage levels efficiently, although specific features and performance metrics may vary slightly. Always compare datasheets to ensure compatibility with your application requirements.
Features
The MP3426DL-LF-Z is a high-efficiency, synchronous step-up converter designed for compact applications. Key features include:
1. Input Voltage Range: It operates from a low input voltage range of 2.5V up to 24V, allowing for flexibility in power sources.
2. Output Voltage: It can boost output voltage to as high as 28V, suitable for a variety of applications.
3. Efficiency: The device boasts high efficiency, often greater than 90%, minimizing power loss.
4. Switching Frequency: It offers a 1.3MHz fixed switching frequency, which helps reduce the size of external components.
5. Synchronous Rectification: Integrated MOSFETs for synchronous rectification improve efficiency and reduce external component count.
6. Protection Features: Built-in protections include over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown to enhance reliability.
7. Soft Start: A programmable soft start feature limits inrush current during startup.
8. Compact Package: Offered in a compact, thermally-enhanced package, making it ideal for space-constrained designs.
These features make the MP3426DL-LF-Z a versatile choice for powering a wide range of electronic devices.
1. Input Voltage Range: It operates from a low input voltage range of 2.5V up to 24V, allowing for flexibility in power sources.
2. Output Voltage: It can boost output voltage to as high as 28V, suitable for a variety of applications.
3. Efficiency: The device boasts high efficiency, often greater than 90%, minimizing power loss.
4. Switching Frequency: It offers a 1.3MHz fixed switching frequency, which helps reduce the size of external components.
5. Synchronous Rectification: Integrated MOSFETs for synchronous rectification improve efficiency and reduce external component count.
6. Protection Features: Built-in protections include over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown to enhance reliability.
7. Soft Start: A programmable soft start feature limits inrush current during startup.
8. Compact Package: Offered in a compact, thermally-enhanced package, making it ideal for space-constrained designs.
These features make the MP3426DL-LF-Z a versatile choice for powering a wide range of electronic devices.
Pinout
The MP3426DL-LF-Z is a boost converter IC with an 8-pin configuration. Its primary function is to increase a lower input voltage to a higher output voltage, suitable for applications like battery-powered devices or systems requiring higher voltages from a lower voltage source. Here's a brief overview of its pin functions:
1. SW (Switch Node): Connects to the inductor and diode. The switching frequency is part of the boost conversion process.
2. GND (Ground): Common ground reference for the IC.
3. FB (Feedback): Receives a voltage from the output to regulate the output voltage.
4. EN (Enable): Enables or disables the IC. A high voltage activates the device.
5. VIN (Input Voltage): Supplies the input power for the IC.
6. COMP (Compensation): Used for the compensation network to stabilize the control loop.
7. SS (Soft Start): Controls the soft-start period, reducing inrush current.
8. RT (Resistor Timing): Sets the switching frequency with an external resistor.
These pins work together to manage the boosting process efficiently, ensuring stable and controlled voltage conversion.
1. SW (Switch Node): Connects to the inductor and diode. The switching frequency is part of the boost conversion process.
2. GND (Ground): Common ground reference for the IC.
3. FB (Feedback): Receives a voltage from the output to regulate the output voltage.
4. EN (Enable): Enables or disables the IC. A high voltage activates the device.
5. VIN (Input Voltage): Supplies the input power for the IC.
6. COMP (Compensation): Used for the compensation network to stabilize the control loop.
7. SS (Soft Start): Controls the soft-start period, reducing inrush current.
8. RT (Resistor Timing): Sets the switching frequency with an external resistor.
These pins work together to manage the boosting process efficiently, ensuring stable and controlled voltage conversion.
Manufacturer
The MP3426DL-LF-Z is manufactured by Monolithic Power Systems (MPS). MPS is a semiconductor company that specializes in the design and production of high-performance analog and mixed-signal integrated circuits. The company is known for its power solutions, including products for power conversion, lighting, and battery management, among others. MPS serves a variety of industries, including automotive, industrial, telecommunications, consumer electronics, and computing.
Application
The MP3426DL-LF-Z is a boost converter IC primarily used in applications requiring step-up voltage conversion. Its typical application areas include portable electronics, battery-powered devices, and consumer electronics, where efficient energy conversion is crucial. It is suitable for powering LEDs, OLED displays, or other components requiring a stable higher voltage from a lower voltage source, such as a single-cell Li-ion battery. Additionally, the IC can be used in USB power banks and backup power systems, offering reliability in various compact and mobile applications.
Package
The MP3426DL-LF-Z is typically available in a QFN (Quad-Flat No-Lead) package. This type of packaging is compact and helps enhance the electrical performance and thermal efficiency of the device, making it suitable for various compact and efficient electronic applications.
