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LM25085MY
+Lista de MateriaisSwitching Controllers
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FabricanteTexas Instruments
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Peça do Fabricante #LM25085MY
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Especificações
| Atributo | Valor |
Visão Geral
Description
One of the key features of the LM25085MY is its use of a constant on-time (COT) control scheme, which offers fast transient response and simplifies loop compensation. It also includes protection features such as cycle-by-cycle current limiting, thermal shutdown, and an adjustable soft-start function to prevent inrush currents during startup.
The LM25085MY is available in a thermally efficient, small 8-pin Mini-SOIC package, which helps in minimizing the board space required for the power supply design. Its robust performance, ease of use, and flexibility make it a popular choice for designers working on a variety of power management applications.
Equivalent
1. LM3475 - National Semiconductor/Texas Instruments
2. MIC4575 - Microchip Technology
3. LT8610 - Analog Devices
4. TPS54331 - Texas Instruments
These equivalent products offer similar functionality, such as high-efficiency DC-DC conversion, but may vary slightly in specifications. Always verify specific application requirements when selecting a replacement.
Features
1. Wide Input Voltage Range: Capable of operating from a 4.5V to 42V input, making it versatile for various applications.
2. Adjustable Output Voltage: Allows for customization of the output voltage to suit specific needs.
3. High Efficiency: Designed for efficient power conversion, which is crucial for energy-sensitive applications.
4. Low Quiescent Current: Consumes minimal power when in standby, which helps in extending battery life for portable devices.
5. Integrated 1.5A Power MOSFET: Includes an internal MOSFET that reduces the need for additional external components.
6. Current Mode Control: Provides fast transient response and ease of loop compensation.
7. Cycle-by-Cycle Current Limiting: Protects the device by limiting current during overload conditions.
8. Thermal Shutdown Protection: Automatically shuts down the device to prevent overheating.
9. Soft-Start Functionality: Gradually ramps up the output voltage to prevent inrush current during startup.
These features make the LM25085MY suitable for use in automotive, industrial, and consumer electronics applications.
Pinout
1. VCC: Internal regulator output.
2. VIN: Input voltage supply pin.
3. RT: Resistor timing pin to set the oscillator frequency.
4. SW: Switch node pin connected to the source of the external MOSFET.
5. CS: Current sense input pin for over-current protection.
6. FB: Feedback input pin for setting output voltage.
7. EN: Enable pin to turn the controller on or off.
8. GND: Ground pin.
These pins facilitate the controller's operation, enabling it to manage the voltage conversion process efficiently in power management systems.