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MP1494DJ-LF-Z
+StücklisteIC REG BUCK ADJ 2A TSOT23-8
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HerstellerMonolithic Power Systems Inc.
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Herstellerteil #MP1494DJ-LF-Z
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Paket SOT-23-8
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Auf Lager4369
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) | 4.5V |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 13V |
| Current - Output | 2A |
| Frequency - Switching | 500kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Übersicht
Description
Equivalent
1. LM2596 from Texas Instruments - A popular step-down voltage regulator.
2. XL4015 from XLSEMI - A 5A DC-DC buck converter.
3. LM2678 from Texas Instruments - A 5A step-down voltage regulator with similar functionality.
4. TPS54331 from Texas Instruments - A 3A, step-down converter with similar features.
Always verify specifications and pin compatibility before substituting.
Features
1. Wide Input Voltage Range: It supports an input range from 4.5V to 18V, making it versatile for various applications.
2. Output Voltage Range: It offers an adjustable output ranging from 0.8V to 0.85 x VIN, providing flexibility for different power requirements.
3. High Efficiency: The device is designed to deliver high efficiency, which is crucial for energy-saving and heat reduction in electronic systems.
4. Output Current: It can supply up to 3A of continuous output current, suitable for powering multiple loads.
5. Switching Frequency: Features a fixed 340kHz switching frequency, balancing size and efficiency.
6. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout to ensure reliability and safety.
7. Compact Design: Available in a small TSOT23-8 package, optimizing space in compact circuit designs.
These features make the MP1494DJ-LF-Z a reliable choice for power management in consumer electronics, industrial equipment, and other applications.
Pinout
The 10 pins are used for the following functions:
1. SW (Switching Node): Connects to the inductor for energy transfer.
2. VIN (Input Voltage): Receives the input supply voltage.
3. GND (Ground): Common ground reference for the device.
4. FB (Feedback): Provides output voltage feedback for regulation.
5. EN (Enable): Enables or disables the converter.
6. BST (Bootstrap): Supplies power to the high-side gate driver.
7. COMP (Compensation): Connects to an external network to stabilize the control loop.
8. SS (Soft Start): Controls the soft-start time with an external capacitor.
9. SYNC (Synchronization): Synchronizes the internal oscillator to an external clock.
10. PG (Power Good): Indicates the status of the output voltage.
These functions allow the MP1494DJ-LF-Z to be used effectively in applications requiring efficient voltage step-down from a wide input range.
Manufacturer
Application
1. Consumer Electronics: Powers devices like smartphones, tablets, and laptops by efficiently converting voltage levels.
2. Telecommunications: Used in network devices and base stations for stable power supply.
3. Industrial Automation: Supports various industrial controls and robotic applications by providing reliable voltage regulation.
4. Automotive Systems: Used in infotainment systems, dashboards, and other electronic components requiring stable power.
5. LED Drivers: Powers LED lighting systems with precise voltage requirements.
6. Embedded Systems: Supports microcontrollers and microprocessors by providing consistent power levels.
These applications benefit from the IC's efficiency, compact size, and reliability.