規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Not For New Designs |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.7V |
| Voltage - Input (Max) | 28V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 25V |
| Current - Output | 3A |
| Frequency - Switching | 360kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The MP2303ADN-LF-Z is a step-down (buck) converter IC from Monolithic Power Systems. It is designed for high-efficiency power conversion in various applications, delivering a regulated output voltage from a higher input voltage. Key features include a wide input voltage range, typically from 4.75V to 23V, and support for output currents up to 3A. It operates at a fixed frequency, providing stable and efficient power conversion, and features internal compensation to simplify design. The device incorporates a high-side MOSFET to minimize external component count and improve efficiency. Protection features include thermal shutdown, over-current protection, and under-voltage lockout. The MP2303ADN-LF-Z is commonly used in consumer electronics, computing, and industrial applications where space-saving and reliable power conversion is required. It comes in a thermal-enhanced, compact SOIC8 package, making it suitable for designs with space constraints. Overall, the MP2303ADN-LF-Z is valued for its ease of use, reliability, and efficient performance in demanding power management scenarios.
Equivalent
The MP2303ADN-LF-Z is a synchronous step-down converter. Equivalent products include the LM2596 by Texas Instruments, the LM2678 by Texas Instruments, the XL4015 by XLSEMI, and the TPS54331 by Texas Instruments. These alternatives offer similar functionalities in buck converter applications, though specifications such as input voltage range, output current, and efficiency may vary. Always compare datasheets to ensure compatibility with your project's requirements.
Features
The MP2303ADN-LF-Z is a high-efficiency, step-down DC-DC converter, commonly used for power management applications. It operates with an input voltage range of 4.75V to 23V and delivers an adjustable output voltage as low as 0.925V, with a continuous output current of up to 3A. This converter integrates a high-side power MOSFET, which reduces the need for external components, enhancing its efficiency and simplifying the design process.
Key features include a high switching frequency of 340kHz, which allows the use of smaller external components, thus saving board space. It also provides excellent load and line regulation. The MP2303ADN-LF-Z incorporates under-voltage lockout (UVLO), current limiting, and thermal shutdown protection to ensure reliability and safety in various applications. Its compact design is encapsulated in a thermally enhanced SOIC8 package, making it suitable for space-constrained applications. This converter is ideal for distributed power systems, battery-powered devices, and other applications requiring efficient power conversion.
Key features include a high switching frequency of 340kHz, which allows the use of smaller external components, thus saving board space. It also provides excellent load and line regulation. The MP2303ADN-LF-Z incorporates under-voltage lockout (UVLO), current limiting, and thermal shutdown protection to ensure reliability and safety in various applications. Its compact design is encapsulated in a thermally enhanced SOIC8 package, making it suitable for space-constrained applications. This converter is ideal for distributed power systems, battery-powered devices, and other applications requiring efficient power conversion.
Pinout
The MP2303ADN-LF-Z is a monolithic step-down switch-mode converter with an integrated high-side high voltage power MOSFET. It is designed to operate with a wide input voltage range of 4.75V to 23V, making it suitable for various applications, including battery-powered devices and distributed power systems.
The MP2303ADN-LF-Z typically comes in an 8-pin SOIC package. Here is a brief summary of its pin functions:
1. VIN: Input supply voltage pin.
2. SW: Switch output pin, connected to the inductor.
3. GND: Ground pin.
4. FB: Feedback pin for output voltage regulation.
5. COMP: Compensation pin for setting the control loop bandwidth.
6. EN: Enable pin for turning the device on or off.
7. BST: Bootstrap pin for the high-side driver.
8. NC: No connection.
These pins work together to provide efficient step-down voltage conversion with high current capability, suitable for a variety of power management applications.
The MP2303ADN-LF-Z typically comes in an 8-pin SOIC package. Here is a brief summary of its pin functions:
1. VIN: Input supply voltage pin.
2. SW: Switch output pin, connected to the inductor.
3. GND: Ground pin.
4. FB: Feedback pin for output voltage regulation.
5. COMP: Compensation pin for setting the control loop bandwidth.
6. EN: Enable pin for turning the device on or off.
7. BST: Bootstrap pin for the high-side driver.
8. NC: No connection.
These pins work together to provide efficient step-down voltage conversion with high current capability, suitable for a variety of power management applications.
Manufacturer
The MP2303ADN-LF-Z is manufactured by Monolithic Power Systems (MPS). MPS is a semiconductor company that focuses on producing high-performance analog and mixed-signal integrated circuits. Their product offerings cater to a variety of applications, including consumer electronics, telecommunications, industrial sectors, automotive electronics, and computing. MPS is known for its expertise in power management solutions, providing energy-efficient and compact designs that are essential for modern electronic devices. The company emphasizes innovation and reliability, aiming to address the complex challenges of power management in electronic systems.
Application
The MP2303ADN-LF-Z is a step-down converter IC commonly used in various power management applications. Its primary application areas include:
1. Consumer Electronics: Used in devices like smartphones, tablets, and portable gadgets for efficient power conversion.
2. Industrial Systems: Employed in control units, sensors, and other industrial equipment for voltage regulation.
3. Automotive Electronics: Utilized in infotainment systems, dashboard electronics, and other vehicle electronic components.
4. Communications Equipment: Supports power supply needs in networking devices and telecom infrastructure.
5. Embedded Systems: Integrated into microcontrollers and processors for stable power delivery.
It is valued for its high efficiency, compact design, and reliable performance across these applications.
1. Consumer Electronics: Used in devices like smartphones, tablets, and portable gadgets for efficient power conversion.
2. Industrial Systems: Employed in control units, sensors, and other industrial equipment for voltage regulation.
3. Automotive Electronics: Utilized in infotainment systems, dashboard electronics, and other vehicle electronic components.
4. Communications Equipment: Supports power supply needs in networking devices and telecom infrastructure.
5. Embedded Systems: Integrated into microcontrollers and processors for stable power delivery.
It is valued for its high efficiency, compact design, and reliable performance across these applications.
Package
The MP2303ADN-LF-Z is typically available in a SOIC-8 (Small Outline Integrated Circuit) package.
