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IC REG BUCK ADJUSTABLE 3A 8SOIC
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FabricanteMonolithic Power Systems Inc.
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Peça do Fabricante #MP1593DN-LF-Z
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Pacote SOIC-8
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Em Estoque2986
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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) | 4.75V |
| Voltage - Input (Max) | 28V |
| Voltage - Output (Min/Fixed) | 1.22V |
| Voltage - Output (Max) | 25.2V |
| Current - Output | 3A |
| Frequency - Switching | 385kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features include high efficiency, internal soft-start, stability with minimal external components, and protection circuits like over-current and thermal shutdown. The device is packaged in a compact, thermally enhanced package, which is beneficial for space-constrained applications. Its reliability and performance make it ideal for use in computing, telecommunication, and consumer electronics where efficient power conversion is critical.
The MP1593DN-LF-Z facilitates the design of compact and efficient power supply solutions, offering versatility and robustness to designers and engineers dealing with diverse power needs.
Equivalent
1. Texas Instruments: LM22679 series
2. Analog Devices (formerly Linear Technology): LT8640 series
3. Microchip: MIC28512 series
4. Infineon: TLF50211EL series
When choosing an equivalent, ensure they match key specifications like input voltage, output current, switching frequency, and package type. Always refer to datasheets for compatibility.
Features
1. High Efficiency: Capable of delivering high efficiency across a range of loads, which is beneficial for power-sensitive applications.
2. Wide Input Voltage Range: Supports a broad input voltage range, making it versatile for different power supply sources.
3. Adjustable Output Voltage: Allows users to set the desired output voltage through external resistors, providing flexibility for various applications.
4. High Switching Frequency: Operates at a high switching frequency, which reduces the size of external components and allows for more compact designs.
5. Integrated Power MOSFETs: Comes with built-in power MOSFETs, simplifying design and reducing the number of external components needed.
6. Protection Features: Includes protections such as over-current protection (OCP), over-temperature protection (OTP), and under-voltage lockout (UVLO) to enhance reliability and safety.
7. Thermal Management: Efficient thermal management extends the device's operational lifespan even under high load conditions.
These features make the MP1593DN-LF-Z suitable for various applications requiring compact, reliable, and efficient power conversion solutions.
Pinout
1. SW (Switch Node): Connects to the inductor and carries the switched voltage.
2. GND (Ground): Common ground for the circuit.
3. FB (Feedback): Receives the feedback voltage from the output to regulate the output voltage.
4. COMP (Compensation): Used to stabilize the control loop.
5. EN (Enable): Enables or disables the converter operation.
6. IN (Input Voltage): Power input pin for supplying the IC.
7. BST (Boost): Supplies a boost voltage for driving the high-side switch.
8. SS (Soft Start): Controls the soft-start period to limit inrush current.
This configuration allows the MP1593DN-LF-Z to efficiently convert a higher voltage input to a lower voltage output with high efficiency and minimal external components.