
Allicdata Part #: | LM2831YMFX-ND |
Manufacturer Part#: |
LM2831YMFX |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC REG BUCK ADJ 1.5A SOT23-5 |
More Detail: | Buck Switching Regulator IC Positive Adjustable 0.... |
DataSheet: | ![]() |
Quantity: | 1000 |
Voltage - Output (Min/Fixed): | 0.6V |
Base Part Number: | LM2831 |
Supplier Device Package: | SOT-23-5 |
Package / Case: | SC-74A, SOT-753 |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 125°C (TJ) |
Synchronous Rectifier: | No |
Frequency - Switching: | 550kHz |
Current - Output: | 1.5A |
Voltage - Output (Max): | 4.5V |
Series: | -- |
Voltage - Input (Max): | 5.5V |
Voltage - Input (Min): | 3V |
Number of Outputs: | 1 |
Output Type: | Adjustable |
Topology: | Buck |
Output Configuration: | Positive |
Function: | Step-Down |
Part Status: | Obsolete |
Packaging: | Tape & Reel (TR) |
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The LM2831YMFX is part of a family of switch mode DC-DC regulators designed for a wide range of applications. The device offers low quiescent current from its fixed operating frequency with high efficiency and good power density. It is suitable for a wide range of input and output voltages, and with integrated over-voltage protection, EMI filter and load regulation it provides a reliable and cost-effective solution for a variety of applications.
An example application for the LM2831YMFX is in a regulated power supply. A regulated power supply is a device used to provide a stable voltage output from an unregulated input voltage. The LM2831YMFX provides a low voltage output by regulating the input voltage. It can also be used in AC/DC inverter circuits. The device features a pulse-width modulation (PWM) controller and can also provide adjustable, line-upholding output power.
A broad range of input voltages can be accommodated with the LM2831YMFX, ranging from 3.0V to 16.0V. It\'s also designed for low output current applications; with the output current range from 0.05A to 2.0A. The thermal protection will stop the IC from overheating, and the built-in EMI filter reduces the amount of external noise that can be generated by the output of the IC.
The LM2831YMFX has several built-in protection features. It has over-voltage protection and under-voltage protection for the input voltage. It also has over-current protection and over-temperature protection. The device also has a frequency compensation feature which allows the frequency response to be adjusted to the required load conditions while a low quiescent current is maintained. To further ensure reliable and stable operation the device features a soft-start function, which reduces inrush current at start-up.
The LM2831YMFX is able to provide an adjustable, line-upholding output power by using a pulse-width modulation (PWM) controller. The device has an internal oscillator, which is adjusted by an external resistor and capacitor combination. The frequency of the oscillator can be adjusted to ensure the required power supply response. The device also features a power Good (PG) signal, which is an output signal that is activated when the output voltage is within a predetermined tolerance of the set-point voltage. Considering these features, all of these capabilities make the LM2831YMFX an ideal choice for use in regulated power supplies, AC/DC inverter circuits, and other applications.
In summary, the LM2831YMFX is a fixed frequency DC-DC switch mode regulator designed for a wide range of applications. It is designed for low input and output voltages and is able to maintain an adjustable, line-upholding output power with an integrated PWM controller. It also features integrated over-voltage protection, under-voltage protection, over-current protection and over-temperature protection. Additionally, a soft-start function is included to further ensure reliable and stable operation. All of these features make the LM 2831YMFX an ideal choice for a wide range of applications.
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