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MP2451DJ-LF-Z
+StücklisteIC REG BUCK ADJ 600MA TSOT23-6
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HerstellerMonolithic Power Systems Inc.
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Herstellerteil #MP2451DJ-LF-Z
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Paket SOT-23-6
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Auf Lager6927
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| 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) | 3.3V |
| 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
Key features of the MP2451DJ-LF-Z include a built-in power MOSFET, high switching frequency (up to 1.4MHz), and a current-mode control for fast transient response and loop stability. The device also offers protection features such as thermal shutdown, and over-current protection, enhancing its reliability.
The MP2451DJ-LF-Z comes in a small, 8-pin SOIC package, contributing to space savings on the circuit board. Its efficiency, typically up to 90%, minimizes power loss and heat dissipation, making it an ideal choice for energy-conscious designs.
Equivalent
1. Texas Instruments LM2596 - 3A step-down voltage regulator.
2. Microchip MCP16301 - High-efficiency buck regulator.
3. On Semiconductor NCP1014 - 3A step-down switching regulator.
These alternatives may not be drop-in replacements, so always verify pin configuration, electrical characteristics, and thermal performance.
Features
1. Wide Input Voltage Range: Operates from 4.5V to 36V, making it versatile for various applications.
2. Output Current: Delivers up to 2A continuous output current.
3. High Efficiency: Offers up to 97% efficiency, which minimizes energy loss and heat generation.
4. Adjustable Output Voltage: The output voltage can be set through an external resistor divider.
5. Switching Frequency: Operates at a fixed 1.2MHz frequency, enabling the use of small external components.
6. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout for reliable operation.
7. Low Dropout Operation: Allows the device to remain in regulation with minimal input-to-output voltage differential.
8. Compact Package: Available in a small TSOT23-6 package, suitable for space-constrained designs.
These features make the MP2451DJ-LF-Z suitable for use in consumer electronics, industrial applications, and distributed power systems, where efficient power conversion and compact size are essential.
Pinout
Key functions of the pins typically include:
1. VIN: Input voltage supply.
2. SW: Switch node connected to the inductor.
3. GND: Ground reference for the IC.
4. FB: Feedback pin for setting the output voltage.
5. EN: Enable pin for turning the IC on or off.
6. COMP: Compensation pin for stability and transient response.
7. BS: Bootstrap pin for driving the internal high-side MOSFET gate.
8. SS: Soft start control to limit inrush current during startup.
These functions are vital for regulating voltage efficiently, maintaining stability, and allowing for control flexibility in various applications.