
Allicdata Part #: | LM3670MFX-1.5/NOPB-ND |
Manufacturer Part#: |
LM3670MFX-1.5/NOPB |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC REG BCK 1.5V 0.35A SYNC SOT23 |
More Detail: | Buck Switching Regulator IC Positive Fixed 1.5V 1 ... |
DataSheet: | ![]() |
Quantity: | 1000 |
1 +: | 0.00000 |
Voltage - Output (Min/Fixed): | 1.5V |
Base Part Number: | LM3670 |
Supplier Device Package: | SOT-23-5 |
Package / Case: | SC-74A, SOT-753 |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 85°C (TA) |
Synchronous Rectifier: | Yes |
Frequency - Switching: | 1MHz |
Current - Output: | 350mA |
Voltage - Output (Max): | -- |
Series: | -- |
Voltage - Input (Max): | 5.5V |
Voltage - Input (Min): | 2.5V |
Number of Outputs: | 1 |
Output Type: | Fixed |
Topology: | Buck |
Output Configuration: | Positive |
Function: | Step-Down |
Part Status: | Obsolete |
Packaging: | Tape & Reel (TR) |
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LM3670MFX-1.5/NOPB Application Field and Working Principle
The LM3670MFX-1.5/NOPB is a voltage regulator device which is designed for use in power management applications. It is a DC-DC switching regulator, which provides a variety of features that allow it to meet the needs of many applications. This device features low Iq and adjustable output voltage, and is ideal for operating at voltages between 0.6V-1.5V. Additionally, the device is able to support peak currents up to 3A while maintaining high efficiency.
Application Fields
The LM3670MFX-1.5/NOPB is well suited for use in a variety of consumer, industrial, and medical applications. These applications include battery management systems, portable consumer electronics, medical monitoring systems, and test and measurement equipment.
Working Principle
The LM3670MFX-1.5/NOPB is a DC-DC switching regulator that utilizes two basic stages in order to function. The first stage is a high-gain control loop that is responsible for regulating the output voltage. The second stage is the power stage, which is responsible for providing the required current to the load. This design ensures that the system is able to deliver the required amount of power with precision and accuracy.
The control loop for the LM3670MFX-1.5/NOPB operates within a closed loop system. This means that an internal reference voltage is compared to the output voltage, and the voltage difference is used to adjust the duty cycle of the power stage. This duty cycle adjustment is then used to maintain a constant output voltage, regardless of the changes in load.
The power stage of the LM3670MFX-1.5/NOPB is a synchronous rectification, buck-boost converter. This style of converter uses low-side and high-side power switch MOSFETs in order to step the output voltage up or down, depending on the load requirements.
The LM3670MFX-1.5/NOPB also features a high-side current sensing circuit, which is used to detect and limit the output current when the load demands it. This allows the regulator to ensure that it does not overload its output.
In addition, the LM3670MFX-1.5/NOPB has a variety of protective features which monitor the system’s conditions and protects it from various fault conditions. These features include under and over voltage lockout, current limit, soft-start, temperature, and over-temperature protection.
Lastly, the LM3670MFX-1.5/NOPB also features a range of diagnostic functions which can be used to monitor the regulator and provide feedback regarding the system status. These features include output voltage monitoring, current sense monitoring, and over temperature protection.
Conclusion
The LM3670MFX-1.5/NOPB is a highly integrated voltage regulator device which is designed for use in power management applications. It features a two-stage operation with a high-gain control loop and synchronous rectification, buck-boost power stage. Additionally, it has a variety of protective and diagnostic features which allow it to properly monitor and protect the system. This makes it the ideal choice for numerous applications.
The specific data is subject to PDF, and the above content is for reference
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