Allicdata Part #: | 296-39741-5-ND |
Manufacturer Part#: |
LM2670T-3.3/NOPB |
Price: | $ 3.40 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC REG BUCK 3.3V 3A TO220-7 |
More Detail: | Buck Switching Regulator IC Positive Fixed 3.3V 1 ... |
DataSheet: | LM2670T-3.3/NOPB Datasheet/PDF |
Quantity: | 936 |
1 +: | $ 3.08700 |
10 +: | $ 2.77389 |
100 +: | $ 2.27273 |
500 +: | $ 1.93473 |
1000 +: | $ 1.63170 |
Series: | SIMPLE SWITCHER® |
Packaging: | Tube |
Part Status: | Active |
Function: | Step-Down |
Output Configuration: | Positive |
Topology: | Buck |
Output Type: | Fixed |
Number of Outputs: | 1 |
Voltage - Input (Min): | 8V |
Voltage - Input (Max): | 40V |
Voltage - Output (Min/Fixed): | 3.3V |
Voltage - Output (Max): | -- |
Current - Output: | 3A |
Frequency - Switching: | 260kHz |
Synchronous Rectifier: | No |
Operating Temperature: | -40°C ~ 125°C (TJ) |
Mounting Type: | Through Hole |
Package / Case: | TO-220-7 (Formed Leads) |
Supplier Device Package: | TO-220-7 |
Base Part Number: | LM2670 |
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The LM2670T-3.3/NOPB is a DC DC Switching Regulators belonging to the PMIC category and voltage regulators. It is an integrated PMIC solution for efficient low wattage positive and negative output DC/DC conversion.
The basic idea behind the LM2670 is to incorporate a fixed-frequency, voltage mode (VM) boost controller and a synchronous rectifier buck into a single device. The device functions like a low-power regulator when the input voltage is higher than the required output voltage, and likewise acts like a low-dropout regulator when the input voltage drops below the output voltage.The integrated PMIC solution can greatly reduce the number of components needed to implement an efficient power converter, and also reduce PCB area.
The overall process works as follows:
- The LM2670 monitors the voltage across the output and regulates its duty cycle in order to maintain the desired voltage. It does so by comparing the output voltage with the reference voltage.
- When the duty cycle is adjusted, the device switches the output current to its corresponding source, either the inductor for the boost path or the capacitor for the buck path.
- The output voltage is eventually regulated by the LM2670 to its required output level.
The LM2670 can be used in a wide variety of applications. It is suitable for portable and battery powered devices, as well as industrial, automotive, and military applications. It can be used in applications such as motor control, telecommunication, lighting, automotive, avionics, and portable electronic devices. The device is well suited for applications requiring low power dissipation and extended battery life.
Overall, the LM2670T-3.3/NOPB is a versatile PMIC and voltage regulator with a simple and low-power working principle. It can be used in a variety of applications and is especially suitable for low-power and battery powered applications which require the highest levels of efficiency and reliability.
The specific data is subject to PDF, and the above content is for reference
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