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IC REG BUCK ADJ 2A 10QFN
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FabricanteMonolithic Power Systems Inc.
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Peça do Fabricante #MP2119DQ-LF-Z
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Em Estoque2744
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Especificações
| Atributo | Valor |
| Part Status | Not For New Designs |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.7V |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min / Fixed) | 0.8V |
| Voltage - Output (Max) | 5.4V |
| Current - Output | 2A |
| Frequency - Switching | 1.5MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 10-VFDFN Exposed Pad |
| Supplier Device Package | 10-QFN (3x3) |
| Base Product Number | MP2119 |
Visão Geral
Description
The MP2119DQ-LF-Z is a high-performance DC-DC step-down (buck) voltage regulator designed for efficient power management in various electronic applications. It features a wide input voltage range of 4.5V to 23V and provides a fixed output voltage of either 3.3V or 5V, with a maximum output current of up to 3A. Its integrated high-side and low-side MOSFETs enhance efficiency, making it suitable for battery-powered devices and other applications where power conservation is critical.
The MP2119 includes important features such as adjustable output voltage, soft-start functionality, and overcurrent protection, ensuring safe and reliable operation. It operates at a switching frequency of 1.2MHz, allowing for smaller external components and a compact design. The device also supports various topologies and can be used in applications like consumer electronics, industrial equipment, and automotive systems. Overall, the MP2119DQ-LF-Z is an effective solution for developers seeking a reliable and efficient buck converter.
The MP2119 includes important features such as adjustable output voltage, soft-start functionality, and overcurrent protection, ensuring safe and reliable operation. It operates at a switching frequency of 1.2MHz, allowing for smaller external components and a compact design. The device also supports various topologies and can be used in applications like consumer electronics, industrial equipment, and automotive systems. Overall, the MP2119DQ-LF-Z is an effective solution for developers seeking a reliable and efficient buck converter.
Equivalent
Equivalent products to the MP2119DQ-LF-Z chip include the LM2596, TPS54331, and LTM4620. These alternatives are also step-down (buck) regulators, offering similar voltage and current ratings. Ensure to check the specific parameters such as input/output voltage range, efficiency, and package type to confirm compatibility for your application.
Features
The MP2119DQ-LF-Z is a high-efficiency synchronous buck converter designed for step-down voltage regulation. Key features include:
1. Input Voltage Range: Operates from 4.5V to 15V, suitable for a variety of power sources.
2. Output Current: Capable of delivering up to 3A of continuous output current.
3. Output Voltage: Adjustable output voltage from 0.8V to 15V, allowing flexibility for different applications.
4. High Efficiency: Offers efficiencies up to 95%, reducing heat generation and improving overall system performance.
5. Built-in Compensation: Integrated compensation circuitry simplifies design and optimizes performance.
6. Protection Features: Includes over-voltage protection (OVP), over-current protection (OCP), and thermal shutdown for enhanced reliability.
7. Small Package: Available in a compact HTSOP-16 package, allowing for space-constrained designs.
Overall, the MP2119DQ-LF-Z is ideal for powering digital circuits, RF applications, and portable devices.
1. Input Voltage Range: Operates from 4.5V to 15V, suitable for a variety of power sources.
2. Output Current: Capable of delivering up to 3A of continuous output current.
3. Output Voltage: Adjustable output voltage from 0.8V to 15V, allowing flexibility for different applications.
4. High Efficiency: Offers efficiencies up to 95%, reducing heat generation and improving overall system performance.
5. Built-in Compensation: Integrated compensation circuitry simplifies design and optimizes performance.
6. Protection Features: Includes over-voltage protection (OVP), over-current protection (OCP), and thermal shutdown for enhanced reliability.
7. Small Package: Available in a compact HTSOP-16 package, allowing for space-constrained designs.
Overall, the MP2119DQ-LF-Z is ideal for powering digital circuits, RF applications, and portable devices.
Pinout
The MP2119DQ-LF-Z is a high-efficiency step-down (buck) regulator with a pin count of 16. It operates with an input voltage range of 4.5V to 28V and can provide an adjustable output voltage down to 0.8V.
Key pin functions include:
1. VIN: Input voltage.
2. SW: Switch node, connects to the inductor.
3. GND: Ground.
4. VOUT: Output voltage.
5. COMP: Compensation network connection.
6. FB: Feedback voltage for regulation.
7. EN: Enable pin for switching operation.
8. PGND: Power ground for switch current return.
9. ILIM: Current limit setting.
10. Rset: Resistor for setting output voltage (if applicable).
11. SS: Soft-start control.
12. SENSE+: Positive input for current sensing.
13. SENSE-: Negative input for current sensing.
14. BOOT: Bootstrap capacitor connection.
15. TS: Thermal sense pin (if applicable).
16. NC: No connection.
This regulator is ideal for applications requiring efficient DC-DC conversion.
Key pin functions include:
1. VIN: Input voltage.
2. SW: Switch node, connects to the inductor.
3. GND: Ground.
4. VOUT: Output voltage.
5. COMP: Compensation network connection.
6. FB: Feedback voltage for regulation.
7. EN: Enable pin for switching operation.
8. PGND: Power ground for switch current return.
9. ILIM: Current limit setting.
10. Rset: Resistor for setting output voltage (if applicable).
11. SS: Soft-start control.
12. SENSE+: Positive input for current sensing.
13. SENSE-: Negative input for current sensing.
14. BOOT: Bootstrap capacitor connection.
15. TS: Thermal sense pin (if applicable).
16. NC: No connection.
This regulator is ideal for applications requiring efficient DC-DC conversion.
Manufacturer
The MP2119DQ-LF-Z is manufactured by Monolithic Power Systems, Inc. (MPS). MPS is a publicly traded company specializing in high-performance analog and mixed-signal semiconductor solutions. Founded in 1997 and headquartered in San Jose, California, the company focuses on designing and manufacturing power management ICs (integrated circuits) and other related products for a variety of applications, including automotive, industrial, consumer electronics, and telecommunications. MPS is known for its innovation in power efficiency and compact design, providing solutions that help improve energy consumption and overall system performance.
Application
The MP2119DQ-LF-Z is a step-down (buck) DC-DC converter that is widely used in various application areas, including:
1. Consumer Electronics: Powering mobile devices, laptops, and tablets.
2. Industrial Equipment: Supplying voltage for sensors and control systems.
3. Automotive: Providing stable power for infotainment and dashboard electronics.
4. Networking: Powering routers, switches, and other communication devices.
5. LED Drivers: Efficiently powering LED lighting systems.
Its features, like high efficiency and compact size, make it suitable for applications requiring reliable power management.
1. Consumer Electronics: Powering mobile devices, laptops, and tablets.
2. Industrial Equipment: Supplying voltage for sensors and control systems.
3. Automotive: Providing stable power for infotainment and dashboard electronics.
4. Networking: Powering routers, switches, and other communication devices.
5. LED Drivers: Efficiently powering LED lighting systems.
Its features, like high efficiency and compact size, make it suitable for applications requiring reliable power management.
Package
The MP2119DQ-LF-Z is packaged in a 20-pin QFN (Quad Flat No-lead) package. This compact form factor facilitates efficient thermal management and space-saving in electronic designs.
