| Allicdata Part #: | LM22670MR-ADJ/NOPB-ND |
| Manufacturer Part#: |
LM22670MR-ADJ/NOPB |
| Price: | $ 3.59 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC REG BUCK ADJ 3A 8SOPWRPAD |
| More Detail: | Buck Switching Regulator IC Positive Adjustable 1.... |
| DataSheet: |  LM22670MR-ADJ/NOPB Datasheet/PDF |
| Quantity: | 5417 |
| 1 +: | $ 3.59000 |
| 10 +: | $ 3.48230 |
| 100 +: | $ 3.41050 |
| 1000 +: | $ 3.33870 |
| 10000 +: | $ 3.23100 |
Specifications
| Voltage - Output (Min/Fixed): | 1.285V |
| Base Part Number: | LM22670 |
| Supplier Device Package: | 8-SO PowerPad |
| Package / Case: | 8-PowerSOIC (0.154", 3.90mm Width) |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 125°C (TJ) |
| Synchronous Rectifier: | No |
| Frequency - Switching: | 500kHz |
| Current - Output: | 3A |
| Voltage - Output (Max): | 37V |
| Series: | SIMPLE SWITCHER® |
| Voltage - Input (Max): | 42V |
| Voltage - Input (Min): | 4.5V |
| Number of Outputs: | 1 |
| Output Type: | Adjustable |
| Topology: | Buck |
| Output Configuration: | Positive |
| Function: | Step-Down |
| Part Status: | Active |
| Packaging: | Tube |
Description
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The LM22670MR-ADJ/NOPB is part of a series of DC/DC buck step-down converters manufactured by Texas Instruments. It is a fully adjustable regulator that is designed to give its user maximum flexibility. The device is a non-synchronous buck regulator with a voltage range of 0.8V to 5V and is suitable for power supplies and battery applications. In this article, we will discuss what an LM22670MR-ADJ/NOPB is, its application field and working principle.The LM22670MR-ADJ/NOPB is a monolithic DC/DC buck regulator. It provides a high-voltage power supply with a low output voltage and a high efficiency. The high-voltage power supply can be adjusted from a minimum of 3.2V up to 39V, allowing the user to select the output voltage according to the application. The device also features a low quiescent current of only 1.8μA and a current limit of 64V. The output voltage can be easily adjusted using an external voltage divider or an external resistor.The LM22670MR-ADJ/NOPB is ideal for powering a combination of digital and analog devices. It is suitable for applications such as telecommunications, digital displays, personal computers, automotive, industrial, and medical devices. The device can be used in place of linear regulators and can also be used as a replacement for other DC/DC step-down converters such as the LM2576.The LM22670MR-ADJ/NOPB has a working principle best described as “turn-on, turn-off”. It is a synchronous switching regulator, which means that when a signal is received, the mechanism turns on and off quickly to regulate the flow of current. When the voltage increases on the input side, the device will reduce the current going to the load by turning off the output switch and when the voltage decreases, the device will turn on the output switch to supply the load with current. This helps maintain a steady output voltage when used for applications such as computer networking, wireless communication, and power supplies.The LM22670MR-ADJ/NOPB is a high-efficiency device, with efficiencies of up to 95%. It has low output ripple and a wide range of current matching voltage. It is designed to operate within a temperature range of -40C to +125C. The device also has a wide Startup Voltage Range of +3.3V to +5.5V and will maintain accurate regulation of its outputs while maintaining maximum efficiency.In conclusion, the LM22670MR-ADJ/NOPB is a fully adjustable DC/DC buck step-down converter suitable for applications in telecommunications, digital displays, personal computers, automotive, industrial, and medical devices. It features a wide voltage range, low quiescent current, and high-efficiency operation. Furthermore, it has an adjustable control mechanism and a wide start-up voltage range. It is an ideal choice for power supplies and battery applications.
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