Images à titre indicatif uniquement
IC REG BUCK ADJ 3A 8SOICE
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FabricantMonolithique Power Systems GmbH.
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Pièce fabricant #MP2303DN-LF-Z
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En stock5928
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Spécifications
| Attribut | Valeur |
| Part Status | Not For New Designs |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.75V |
| Voltage - Input (Max) | 28V |
| Voltage - Output (Min / Fixed) | 0.8V |
| Voltage - Output (Max) | 25V |
| Current - Output | 3A |
| Frequency - Switching | 340kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) Exposed Pad |
| Supplier Device Package | 8-SOICE |
| Base Product Number | MP2303 |
Présentation
Description
The MP2303DN-LF-Z is a high-efficiency, step-down (buck) DC-DC converter designed for applications requiring a compact power solution. It operates with an input voltage range of 4.5V to 23V and can deliver up to 3A of output current. This device features a fixed output voltage option (commonly 3.3V and 5V), ensuring stable power supply for various electronic devices.
Key features include a high switching frequency (typically 1.2MHz), which allows for reduced external component sizes, and integrated protection features such as overcurrent protection, thermal shutdown, and under-voltage lockout. The MP2303DN-LF-Z also boasts a soft-start function to minimize inrush current during power-up.
It is widely used in applications like portable devices, automotive systems, and consumer electronics where efficiency, compactness, and reliability are crucial. The package type is typically a thermally-enhanced SOP-8, making it straightforward to integrate into PCB designs.
Key features include a high switching frequency (typically 1.2MHz), which allows for reduced external component sizes, and integrated protection features such as overcurrent protection, thermal shutdown, and under-voltage lockout. The MP2303DN-LF-Z also boasts a soft-start function to minimize inrush current during power-up.
It is widely used in applications like portable devices, automotive systems, and consumer electronics where efficiency, compactness, and reliability are crucial. The package type is typically a thermally-enhanced SOP-8, making it straightforward to integrate into PCB designs.
Equivalent
The MP2303DN-LF-Z is a step-down (buck) voltage regulator. Equivalent products include the LM2596, LM2576, and TPS54331. Other alternatives are the XL4015 and RT8120. Always verify specifications such as input/output voltage, current ratings, and package types to ensure compatibility for your specific application.
Features
The MP2303DN-LF-Z is a step-down (buck) converter designed for efficient power regulation in a compact package. Key features include:
1. Input Voltage Range: Operates from 4.5V to 23V, making it suitable for a wide range of applications.
2. Output Current: Delivers up to 3A of continuous output current.
3. Output Voltage: Adjustable output voltage from 0.8V to 20V, allowing flexibility for various applications.
4. High Efficiency: Achieves efficiencies up to 95%, reducing thermal dissipation.
5. Fixed Frequency: Operates at a fixed switching frequency of 1.2MHz, enabling smaller external components.
6. Built-in Compensation: Features internal compensation, simplifying the design process.
7. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout for enhanced reliability.
8. Thermal Performance: Available in a compact 8-pin SOP package, facilitating efficient heat dissipation.
These features make the MP2303DN-LF-Z ideal for powering devices in consumer electronics, industrial applications, and battery-powered systems.
1. Input Voltage Range: Operates from 4.5V to 23V, making it suitable for a wide range of applications.
2. Output Current: Delivers up to 3A of continuous output current.
3. Output Voltage: Adjustable output voltage from 0.8V to 20V, allowing flexibility for various applications.
4. High Efficiency: Achieves efficiencies up to 95%, reducing thermal dissipation.
5. Fixed Frequency: Operates at a fixed switching frequency of 1.2MHz, enabling smaller external components.
6. Built-in Compensation: Features internal compensation, simplifying the design process.
7. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout for enhanced reliability.
8. Thermal Performance: Available in a compact 8-pin SOP package, facilitating efficient heat dissipation.
These features make the MP2303DN-LF-Z ideal for powering devices in consumer electronics, industrial applications, and battery-powered systems.
Pinout
The MP2303DN-LF-Z is a step-down (buck) voltage regulator with a total of 8 pins. The pin functions are as follows:
1. VIN: Input voltage (2.5V to 15V).
2. GND: Ground connection.
3. SW: Switch node; connects to the inductor.
4. VOUT: Output voltage; provides regulated output.
5. COMP: Compensation pin for stability.
6. FB: Feedback pin; regulates the output voltage by comparing it to an internal reference.
7. EN: Enable pin; activates the regulator when high.
8. PG: Power good output; indicates whether the output voltage is within the desired range.
This device is capable of delivering up to 3A of output current and offers features like overcurrent protection and thermal shutdown.
1. VIN: Input voltage (2.5V to 15V).
2. GND: Ground connection.
3. SW: Switch node; connects to the inductor.
4. VOUT: Output voltage; provides regulated output.
5. COMP: Compensation pin for stability.
6. FB: Feedback pin; regulates the output voltage by comparing it to an internal reference.
7. EN: Enable pin; activates the regulator when high.
8. PG: Power good output; indicates whether the output voltage is within the desired range.
This device is capable of delivering up to 3A of output current and offers features like overcurrent protection and thermal shutdown.
Manufacturer
The MP2303DN-LF-Z is manufactured by Monolithic Power Systems, Inc. (MPS). MPS is a semiconductor company that specializes in high-performance power management solutions. Founded in 1997 and headquartered in San Jose, California, the company focuses on developing innovative analog and mixed-signal integrated circuits for a variety of applications, including computing, automotive, industrial, and consumer electronics. MPS is known for designing products that enhance energy efficiency and performance while reducing size and complexity in electronic systems. The MP2303DN-LF-Z specifically is a step-down voltage regulator, which is widely used in applications requiring efficient power conversion.
Application
The MP2303DN-LF-Z is a step-down switching regulator primarily used in various application areas, including:
1. Power Management: For powering microcontrollers, FPGAs, and other digital circuits.
2. Consumer Electronics: In devices like smartphones, tablets, and portable gadgets.
3. Industrial Equipment: For supplying power to sensors, actuators, and control circuits.
4. Automotive Applications: Providing reliable power in automotive electronics.
5. Battery-Powered Devices: Efficiently managing power from batteries to extend operational life.
Its compact size, high efficiency, and versatility make it suitable for a wide range of electronic applications.
1. Power Management: For powering microcontrollers, FPGAs, and other digital circuits.
2. Consumer Electronics: In devices like smartphones, tablets, and portable gadgets.
3. Industrial Equipment: For supplying power to sensors, actuators, and control circuits.
4. Automotive Applications: Providing reliable power in automotive electronics.
5. Battery-Powered Devices: Efficiently managing power from batteries to extend operational life.
Its compact size, high efficiency, and versatility make it suitable for a wide range of electronic applications.
Package
The MP2303DN-LF-Z is packaged in a 5-pin TSOT-23 package. This compact surface-mount package is designed for efficient space usage in electronic circuits.
