RT7243GQW Integrated Circuits (ICs) |
|
| Allicdata Part #: | 1028-1273-2-ND |
| Manufacturer Part#: |
RT7243GQW |
| Price: | $ 1.18 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Richtek USA Inc. |
| Short Description: | IC REG BUCK ADJ 6A SYNC 14WQFN |
| More Detail: | Buck Switching Regulator IC Positive Adjustable 0.... |
| DataSheet: |  RT7243GQW Datasheet/PDF |
| Quantity: | 4500 |
| 1500 +: | $ 1.07957 |
| 3000 +: | $ 1.02559 |
Specifications
| Voltage - Input (Max): | 18V |
| Supplier Device Package: | 14-WQFN (3.5x3.5) |
| Package / Case: | 14-PowerWFDFN |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Synchronous Rectifier: | Yes |
| Frequency - Switching: | 200kHz ~ 1.6MHz |
| Current - Output: | 6A |
| Voltage - Output (Max): | 18V |
| Voltage - Output (Min/Fixed): | 0.8V |
| Series: | -- |
| 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) |
Description
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Introduction
The RT7243GQW belongs to a type of DC-DC Switching Regulators that are commonly used in modern power management applications. This device can accept an input voltage from 4.5V to 26V, and provide an adjustable or fixed output voltage from 0.6V to 8V. The RT7243GQW is particularly useful in applications that require high current output, such as USB power supplies, low noise power supplies, automotive power systems, and systems that require efficient power dissipation.Functional Overview
The RT7243GQW is a PWM step-down DC-DC converter that uses a switching frequency of up to 2.1MHz. It includes an internal MOSFET switch with a maximum output current of 2.5A. It also includes an adjustable voltage feedback loop and an internal voltage reference. The device supports an adjustable soft-start time that can be set as low as 2.5mV/us. The output voltage can be set using an external voltage divider.Design Features
The RT7243GQW offers several features that make it useful for a variety of applications. It is short-circuit protected, and its operating temperature range is from -40°C to 85°C. The device has an enable/disable function that allows it to be controlled via logic input, as well as a power good signal output for monitoring the state of the device. The package options include a QFN-16 and QFN-14, which are both very small and light.Applications and Advantages
The RT7243GQW is good for applications that require low noise, high current output, or efficient power dissipation. Examples of such applications include automotive electronics, power supplies, consumer electronics, and displays and digital signage. The compact package and low-noise operation make it a good choice for these types of applications. Additionally, the device has a wide input voltage range and adjustable output voltage, which make it suitable for stable power delivery in various environments.Conclusion
The RT7243GQW from Richtek is an efficient DC-DC Switching Regulator that can provide an adjustable or fixed output voltage. It is ideal for high current applications, and its small size and temperature range make it suitable for a variety of applications. The RT7243GQW is a great choice for any project that requires a reliable, efficient and low noise power source.The specific data is subject to PDF, and the above content is for reference
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