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LM2611AMFX
+StücklisteIC REG CUK ADJ 1.2A SOT23-5
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HerstellerTexas Instruments
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Herstellerteil #LM2611AMFX
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Auf Lager2141
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Part Status | Obsolete |
| Base Product Number | LM2611 |
| Function | Step-Up/Step-Down |
| Output Configuration | Negative |
| Topology | Cuk |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.7V |
| Voltage - Input (Max) | 14V |
| Voltage - Output (Min/Fixed) | -1.23V |
| Voltage - Output (Max) | -32V |
| Current - Output | 1.2A |
| Frequency - Switching | 1.4MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| Packaging | Tape & Reel (TR) |
Übersicht
Description
Additionally, the LM2611AMFX is equipped with an internal compensation system, making it easier to design stable power systems without extensive external components. It also has built-in protection features such as current limiting and thermal shutdown to enhance reliability. The device is commonly used in portable devices, telecommunications, and other applications where efficient power conversion is critical. Its small form factor and high efficiency make it a popular choice for engineers designing compact power systems.
Equivalent
1. TEXAS INSTRUMENTS LM2662
2. MAXIM INTEGRATED MAX1711
3. ANALOG DEVICES ADP3605
4. ON SEMICONDUCTOR NCP3063
These alternatives provide similar functionality in voltage inversion or step-up/step-down conversion. However, equivalency depends on specific application requirements like current output, efficiency, and package type. Always review datasheets to ensure compatibility with your design needs.
Features
1. Wide Input Voltage Range: It supports an input voltage range of 2.7V to 14V, making it suitable for battery-powered and low-voltage applications.
2. Inverting Output: The device outputs a negative voltage, which is the inverse of the positive input voltage, facilitating the design for systems requiring negative voltage rails.
3. High Efficiency: It offers high power efficiency, especially under light-load conditions, which helps in power-saving applications.
4. Adjustable Frequency: The switching frequency is adjustable, which enables the designer to optimize between efficiency and component size.
5. Low Quiescent Current: The low quiescent current extends battery life in portable applications.
6. Protection Features: It includes overcurrent protection and thermal shutdown to enhance reliability and safety.
7. Compact Package: The device comes in a small MSOP-8 package, which is beneficial for space-constrained applications.
These features make the LM2611AMFX suitable for various applications, including point-of-load power supplies and portable electronic devices.
Pinout
1. SW (Pin 1): Switch node where the inductor is connected.
2. VDD (Pin 2): Input voltage supply pin.
3. FB (Pin 3): Feedback pin for setting the output voltage.
4. COMP (Pin 4): Compensation pin for stabilizing the voltage feedback loop.
5. SHDN (Pin 5): Shutdown pin to enable or disable the device.
6. GND (Pin 6): Ground pin.
7. SS (Pin 7): Soft-start pin to control the rate of rise of the output voltage.
8. PGOOD (Pin 8): Power-good indicator pin to signal proper output voltage.
The LM2611AMFX is often used in applications where a negative voltage is required from a positive input voltage, such as in split-rail power supplies or any system requiring an inverting voltage.
Manufacturer
Application
1. Portable Devices: Ideal for powering portable electronics like smartphones, tablets, and digital cameras due to its high efficiency and small footprint.
2. Battery-Powered Equipment: Suitable for battery-operated systems where prolonging battery life is crucial, such as in wearables and portable medical devices.
3. Telecommunications: Used in networking and communication equipment for efficient voltage regulation.
4. Industrial Systems: Fits industrial applications needing reliable power conversion under varying loads and conditions.
5. Consumer Electronics: Provides efficient power management in various consumer gadgets.
These applications benefit from the LM2611AMFX’s ability to deliver stable and efficient power conversion.