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Monolithic Power Systems Inc. MP9943GQ-Z
- Part No.:
- MP9943GQ-Z
- Manufacturer:
- Monolithic Power Systems Inc.
- Package:
- 8-VDFN
- Datasheet:
-
MP9943GQ-Z.pdf
- Description:
- PMIC REG BUCK ADJ 3A 8QFN
- Quantity:
Unit Price:$0
Ext Price:$0
- Payment:
- Shipping:
Inventory:8,777
Send us your inquiry,we will respond immediately.
Product Details
The MP9943GQ-Z is a high-efficiency DC-DC buck switching regulator designed to deliver reliable step-down voltage conversion in compact electronic systems. Featuring a high-frequency synchronous architecture with integrated power MOSFETs, it simplifies circuit design while improving overall efficiency and thermal performance.
Encapsulated in a space-saving QFN-8 (3mm × 3mm) package, the MP9943GQ-Z provides a compact yet powerful solution for applications requiring stable power delivery. It supports a wide input voltage range and is capable of delivering up to 3A peak output current, with an adjustable output voltage starting from 0.8V. The device also offers excellent line and load regulation, ensuring consistent output even under varying operating conditions.
In addition, the MP9943GQ-Z includes a Power Good indicator, making system monitoring and control more convenient in complex designs. To enhance reliability, it integrates multiple protection features such as overcurrent protection, thermal shutdown, and input/output undervoltage lockout, helping safeguard both the device and the overall system.
With its combination of high efficiency, compact size, and robust protection mechanisms, the MP9943GQ-Z is an ideal choice for a wide range of applications, including industrial equipment, embedded systems, consumer electronics, and distributed power architectures.
Monolithic Power Systems MP9943GQ-Z FAQs
1. What is a Buck Switching Regulator used for?
A buck switching regulator is used to efficiently step down a higher input voltage to a lower output voltage. It is widely used in power management systems to improve efficiency and reduce heat compared to linear regulators.
2. What are the main features of the MP9943GQ-Z?
The MP9943GQ-Z offers high efficiency, integrated MOSFETs, adjustable output voltage, and up to 3A peak current capability. Its compact design and Power Good function make it suitable for space-constrained applications.
3. Does the MP9943GQ-Z include protection features?
Yes, it includes multiple protection mechanisms such as overcurrent protection, thermal shutdown, and input/output undervoltage lockout to ensure safe and stable operation.
MP9943GQ-Z Specifications
- Specifications
- The Posts
- Related
- Attributes
- Property Value
- Manufacturer
- Monolithic Power Systems Inc.
- Series:
- -
- Package/Case:
- 8-VDFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 4V
- Voltage - Input (Max):
- 36V
- 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)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-QFN (3x3)
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MP9943GQ-Z FAQ
1. How to order MP9943GQ-Z on EASTECH ELECTRONICS LIMITED.?
Currently, EASTECH ELECTRONICS LIMITED. only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does EASTECH ELECTRONICS LIMITED. guarantee that MP9943GQ-Z is from the original manufacturer or authorized agents?
We have a professional and experienced quality control team to strictly verify and test the MP9943GQ-Z. All suppliers must pass our qualification reviews before they can publish their products including MP9943GQ-Z on EASTECH ELECTRONICS LIMITED.; we pay more attention to the channels and quality of MP9943GQ-Z products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the MP9943GQ-Z price and inventory displayed accurate?
The price and inventory of MP9943GQ-Z fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?
Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.
Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?
Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.
Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.
Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of MP9943GQ-Z?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the MP9943GQ-Z we delivered, we will accept the replacement or return of the MP9943GQ-Z only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of MP9943GQ-Z.
(3)The PartNo is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as MP9943GQ-Z pin diagram, MP9943GQ-Z datasheet?
If you need any after-sales service, please do not hesitate to contact us.
