![LM22673TJ-ADJ/NOPB Allicdata Electronics](https://files.allicdata.com/upload/common/default.jpg)
Allicdata Part #: | LM22673TJ-ADJ/NOPBTR-ND |
Manufacturer Part#: |
LM22673TJ-ADJ/NOPB |
Price: | $ 1.58 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC REG BUCK ADJ 3A TO263-7 |
More Detail: | Buck Switching Regulator IC Positive Adjustable 1.... |
DataSheet: | ![]() |
Quantity: | 1000 |
1000 +: | $ 1.43590 |
2000 +: | $ 1.36410 |
Voltage - Output (Min/Fixed): | 1.285V |
Base Part Number: | LM22673 |
Supplier Device Package: | TO-263-7 Thin |
Package / Case: | TO-263-7 Thin |
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: | Tape & Reel (TR) |
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LM22673TJ-ADJ/NOPB is a highly efficient DC-DC synchronous power converter designed for a variety of applications. It is a member of Texas Instruments’ Pegasus™ synchronous step-down DC/DC family. The device provides a constant output voltage from an input voltage up to 28 volts and features a wide input voltage range from 4.5 to 28 volts. It also features a maximum output current of up to 2A.
The LM22673TJ-ADJ/NOPB is a synchronous step-down switching regulator, designed to deliver up to 4A of continuous output current. It operates at an adjustable output voltage between 0.8 and 10V, making it suitable for a variety of different applications including powering FPGAs, microcontrollers, ASICs and system platforms in automotive, industrial and portable applications. The device has up to a 95% efficiency and up to 32,000V rms input to output isolation. Furthermore, the LM22673TJ-ADJ/NOPB utilizes a phase cycle control converter to increase the efficiency of the device and reduce the converter’s switching losses.
Application Field
The LM22673TJ-ADJ/NOPB is suitable for a variety of automotive, industrial and portable applications. This device is designed for applications where improved efficiency, noise performance and/or extended operating temperature range is needed. Typical applications include automotive infotainment, climate control, body electronics and HVAC modules, industrial programmable logic controllers, white goods, power over Ethernet, point-of-load, high power LED display and portable systems.
Working Principle
The LM22673TJ-ADJ/NOPB is a step-down synchronous regulator with integrated dual N-channel MOSFETs. Its low on-resistance and high switching frequency gives it a high efficiency and low noise performance. The LM22673TJ-ADJ/NOPB uses Phase Cycle Control and Boundary Conduction Mode (BCM) to optimize efficiency and reduce EMI/RFI. In BCM, power is exchanged between the input and output over the switching interval. When operating in BCM, the LM22673TJ-ADJ/NOPB is capable of operating at as low as 20% duty cycle, while still achieving up to 95% efficiency and up to 32,000V rms input to output isolation.
Additionally, the LM22673TJ-ADJ/NOPB integrates circuit protection and fault handling, avoiding overcurrent and short circuit protection. The device offers a Power Good status indication which allows the user to monitor the output and respond accordingly in case of a fault. The LM22673TJ-ADJ/NOPB also has an external SYNC input allowing the user to synchronize the switching frequency of multiple devices in order to minimize acoustic noise.
The specific data is subject to PDF, and the above content is for reference
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