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MP2451DT-LF-Z
+StücklisteIC REG BUCK ADJ 600MA SOT23-6
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HerstellerMonolithic Power Systems Inc.
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Herstellerteil #MP2451DT-LF-Z
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Paket SOT-23-6
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Auf Lager3360
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| 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) | 3.3V |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 28.8V |
| Current - Output | 600mA |
| Frequency - Switching | 2MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Übersicht
Description
The MP2451DT-LF-Z is a high-efficiency, step-down (buck) DC-DC converter designed for applications requiring a compact solution for power conversion. It is capable of delivering up to 0.5A of continuous output current from a wide input voltage range, typically between 4.5V and 36V. The device operates with high efficiency due to its built-in power switch and low RDS(on), which minimizes power loss.
Key features of the MP2451DT-LF-Z include its fixed 1.4MHz switching frequency, which allows for the use of smaller external components, and its ability to maintain high efficiency over a wide load range. The converter includes several protection features such as over-current protection (OCP), thermal shutdown, and under-voltage lockout (UVLO) to ensure reliable operation.
The MP2451DT-LF-Z is often used in applications like battery-powered devices, distributed power systems, and industrial equipment, where efficient power conversion is critical. Its compact package and minimal external components make it suitable for space-constrained designs.
Key features of the MP2451DT-LF-Z include its fixed 1.4MHz switching frequency, which allows for the use of smaller external components, and its ability to maintain high efficiency over a wide load range. The converter includes several protection features such as over-current protection (OCP), thermal shutdown, and under-voltage lockout (UVLO) to ensure reliable operation.
The MP2451DT-LF-Z is often used in applications like battery-powered devices, distributed power systems, and industrial equipment, where efficient power conversion is critical. Its compact package and minimal external components make it suitable for space-constrained designs.
Equivalent
The MP2451DT-LF-Z is a DC-DC buck converter from Monolithic Power Systems. Equivalent products from other manufacturers may include:
1. LM2596 - by Texas Instruments.
2. AP1509 - by Diodes Incorporated.
3. LTC1772 - by Analog Devices.
4. NCP3063 - by ON Semiconductor.
When selecting an equivalent, ensure similar specifications such as input voltage range, output current capacity, switching frequency, and package type. Always consult the datasheets for compatibility.
1. LM2596 - by Texas Instruments.
2. AP1509 - by Diodes Incorporated.
3. LTC1772 - by Analog Devices.
4. NCP3063 - by ON Semiconductor.
When selecting an equivalent, ensure similar specifications such as input voltage range, output current capacity, switching frequency, and package type. Always consult the datasheets for compatibility.
Features
The MP2451DT-LF-Z is a high-efficiency, step-down regulator designed for a variety of applications. It operates with a wide input voltage range from 4.5V to 36V, making it versatile for different power sources. The device delivers up to 0.5A of continuous output current. It features a fixed output voltage of 5V, but is also adjustable, allowing for flexible voltage management.
The MP2451DT-LF-Z incorporates a high-side switch, over-current protection, and thermal shutdown for enhanced reliability and protection. It operates at a fixed 1.4MHz frequency, which helps in minimizing the size of external components and ensures stable operation. Its compact size, typically available in a TSOT23-6 package, makes it suitable for space-constrained applications.
Efficiency is maximized due to its pulse-width modulation (PWM) mode, and it also includes a low-dropout mode to maintain regulation as the input voltage approaches the output voltage. The device is ideal for use in consumer electronics, industrial automation, and distributed power systems.
The MP2451DT-LF-Z incorporates a high-side switch, over-current protection, and thermal shutdown for enhanced reliability and protection. It operates at a fixed 1.4MHz frequency, which helps in minimizing the size of external components and ensures stable operation. Its compact size, typically available in a TSOT23-6 package, makes it suitable for space-constrained applications.
Efficiency is maximized due to its pulse-width modulation (PWM) mode, and it also includes a low-dropout mode to maintain regulation as the input voltage approaches the output voltage. The device is ideal for use in consumer electronics, industrial automation, and distributed power systems.
Pinout
The MP2451DT-LF-Z is a synchronous step-down converter IC designed by Monolithic Power Systems. It typically comes in a TSOT-23-6 package, meaning it has 6 pins. Here is a concise summary of its pin functions:
1. VIN: This is the input voltage supply pin. It provides the input power for the chip.
2. SW: This is the switch output pin. It connects to the inductor, allowing for energy transfer to the output.
3. GND: This is the ground pin, serving as the common ground reference for the device.
4. FB: This is the feedback pin. It is used to sense the output voltage for regulation.
5. EN: This is the enable pin. It allows the device to be turned on or off by an external signal.
6. BST: This is the bootstrap pin. It is used for driving the high-side MOSFET.
These functions enable the MP2451DT-LF-Z to efficiently convert higher DC input voltages to a lower DC output voltage, providing power to downstream components in a compact manner.
1. VIN: This is the input voltage supply pin. It provides the input power for the chip.
2. SW: This is the switch output pin. It connects to the inductor, allowing for energy transfer to the output.
3. GND: This is the ground pin, serving as the common ground reference for the device.
4. FB: This is the feedback pin. It is used to sense the output voltage for regulation.
5. EN: This is the enable pin. It allows the device to be turned on or off by an external signal.
6. BST: This is the bootstrap pin. It is used for driving the high-side MOSFET.
These functions enable the MP2451DT-LF-Z to efficiently convert higher DC input voltages to a lower DC output voltage, providing power to downstream components in a compact manner.
Manufacturer
The MP2451DT-LF-Z is manufactured by Monolithic Power Systems (MPS). MPS is a company that specializes in designing, developing, and marketing high-performance power solutions. Their products are used in a wide range of applications, including industrial, automotive, telecommunications, computing, and consumer electronics. MPS is known for its innovative approach to power management technology, offering solutions that improve efficiency and performance in electronic devices.
Application
The MP2451DT-LF-Z is a DC-DC step-down (buck) converter. Its primary application areas include power management solutions for various electronic devices. It is commonly used in consumer electronics, telecommunications equipment, and industrial applications. This converter is suitable for powering microcontrollers, DSPs, FPGAs, and other digital circuits requiring efficient voltage regulation. Its compact size and high efficiency make it ideal for space-constrained designs like portable devices and battery-powered equipment. Additionally, it is used in applications that require stable voltage outputs such as networking equipment, automotive electronics, and LED drivers.
Package
The MP2451DT-LF-Z is a DC-DC step-down regulator from Monolithic Power Systems, and its package type is an 8-pin TSOT-23 (Thin Small Outline Transistor).
