Allicdata Part #: | MP9943AGQ-P-ND |
Manufacturer Part#: |
MP9943AGQ-P |
Price: | $ 1.16 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Monolithic Power Systems Inc. |
Short Description: | HIGH EFFICIENCY 3A PEAK,36V,SYNC |
More Detail: | Buck Switching Regulator IC Positive Adjustable 0.... |
DataSheet: | MP9943AGQ-P Datasheet/PDF |
Quantity: | 1000 |
500 +: | $ 1.04580 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Function: | Step-Down |
Output Configuration: | Positive |
Topology: | Buck |
Output Type: | Adjustable |
Number of Outputs: | 1 |
Voltage - Input (Min): | 4V |
Voltage - Input (Max): | 30V |
Voltage - Output (Min/Fixed): | 0.8V |
Voltage - Output (Max): | 28.5V |
Current - Output: | 3A |
Frequency - Switching: | 410kHz |
Synchronous Rectifier: | Yes |
Operating Temperature: | -40°C ~ 125°C (TJ) |
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The MP9943AGQ-P is an integrated device utilising pulse width modulation (PWM) topologies for positive-output DC-DC regulation. As part of a power management IC (PMIC) offering from Monolithic Power Systems (MPS), this part is classified as a member of the voltage regulators DC-DC switching regulator family. The primary application of this device is for portable energy application and industrial computing designs.
The MP9943AGQ-P carries out switching operations such as buck, boost, and buck-boost, while automatically entering a sleep or low power mode when the output current falls below a preset threshold. More specifically, in buck mode, the MP9943AGQ-P reduces the input voltage and delivers an output current of up to 1A. The device also provides output short circuit protection, thermal shutdown, and output current limit. In boost mode, the input voltage is raised to provide an output voltage higher than the input voltage.
At the heart of the MP9943AGQ-P’s operation is its ability to function as the control element of a switching regulator circuit. For instance, in a buck regulator configuration, the MP9943AGQ-P acts as a variable switch in order to maintain the desired output voltage or current. The chip utilizes a self-supplied low frequency oscillator, as well as voltage and current feedback control, to detect and adjust the output voltage or current accordingly. When the voltage or current reaches desired levels, the chip then enters a low-power state. In addition, the adjustable oscillator frequency of the MP9943AGQ-P enables a broader range of applications, as it can be adjusted to optimize switching frequency for application-specific needs.
The MP9943AGQ-P is also designed with other features to maximize efficiency and reduce system components. Notably, the device features an adjustable switch current limit and a power good flag, both of which help reduce unnecessary stress on the adjacent components, lowering system cost and power dissipation. Additionally, the device integrates an over temperature protection and low shutdown current, providing protection from potential damage caused by temperature extremes.
In conclusion, the Monolithic Power Systems MP9943AGQ-P provides an all-in-one solution for positive DC-DC regulation, especially within portable energy design and industrial computing applications. Its integrated switch current limit and power good flag help reduce system cost, while the adjustable oscillator frequency provides flexibility in optimization for application-specific needs. The MP9943AGQ-P offers a robust and reliable solution for DC-DC regulators in the industry.
The specific data is subject to PDF, and the above content is for reference
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