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MP4561DQ-LF-Z
+Lista de MateriaisIC REG BUCK ADJ 1.5A 10QFN
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FabricanteMonolithic Power Systems Inc.
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Peça do Fabricante #MP4561DQ-LF-Z
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Pacote QFN-10
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Em Estoque4411
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3.8V |
| Voltage - Input (Max) | 55V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 52V |
| Current - Output | 1.5A |
| Frequency - Switching | Up to 2MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features include high efficiency, typically over 90%, thanks to its synchronous rectification design, and a fixed output voltage option. It also incorporates protection features such as over-current protection, thermal shutdown, and under-voltage lockout to ensure reliable operation and safeguard the device from damage in abnormal conditions. The MP4561DQ-LF-Z is offered in a compact QFN package, which is ideal for space-constrained applications. Its ease of use, combined with its robust feature set, makes it a popular choice for designers seeking a compact, efficient, and reliable power solution.
Equivalent
1. LM2596 by Texas Instruments: A 3A step-down voltage regulator.
2. LT8610 by Analog Devices: A 2.5A step-down regulator.
3. TLV62568 by Texas Instruments: A 2A step-down converter.
Check datasheets for specific electrical characteristics and pin compatibility when choosing equivalents.
Features
1. Input Voltage Range: It supports a wide input voltage range from 4.5V to 55V, making it versatile for various power supply conditions.
2. Output Current: The device can deliver up to 1.2A of continuous output current, suitable for powering a range of devices.
3. Efficiency: It is designed for high efficiency, often exceeding 90%, which reduces heat generation and enhances performance.
4. Switching Frequency: The MP4561DQ-LF-Z operates at a fixed 340kHz switching frequency, allowing for a compact design with smaller external components.
5. Protection Features: The device includes comprehensive protection features such as over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown, ensuring reliability and safety in operation.
6. Package: It is available in a QFN-10 (3mm x 3mm) package, which is suitable for space-constrained applications.
These features make the MP4561DQ-LF-Z an excellent choice for applications requiring efficient power conversion in a compact form factor.
Pinout
1. SW (Switch Node): Connects to the inductor and manages switching actions.
2. VIN (Input Voltage): Supplies the input voltage for the converter.
3. GND (Ground): Ground connection for the input and output.
4. FB (Feedback): Receives the feedback voltage from the output for regulation.
5. EN (Enable): Enables or disables the converter. A high level enables the device.
6. COMP (Compensation): Connects to an external RC network to stabilize the control loop.
7. BST (Bootstrap): Provides the gate drive voltage for the high-side switch.
8. NC (No Connect): This pin is not internally connected and can be left floating.
The MP4561DQ-LF-Z is designed to provide an efficient power conversion with a wide input voltage range and is used in various applications like consumer electronics and telecommunications.