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RT8243BZQW
QFN-20-EP(3x3) LDO Linear Voltage Regulators compliant with ROHS
RT8243BZQW
QFN-20-EP(3x3) LDO Linear Voltage Regulators compliant with ROHS
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.
Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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RT8243BZQW DataSheet
Pricing (USD)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1 | $1.033 | $1.03 |
| 200 | $0.400 | $80.00 |
| 500 | $0.386 | $193.00 |
| 1500 | $0.380 | $570.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Details
The RT8243BZQW is a highly efficient and low-noise synchronous buck converter, perfect for applications requiring reliable power delivery. With an impressive output current of up to 6A and a wide input voltage range of 4.5V to 18V, this converter is capable of meeting the demands of various electronic systems. Its high switching frequency of up to 1.5MHz allows for the use of smaller external components, resulting in a reduced PCB footprint and overall cost savings. Additionally, the RT8243BZQW offers programmable soft-start functionality, adjustable output voltage, and comprehensive protection features such as over-current, over-temperature, and UVLO
Key Features
- Single-phase synchronous buck PWM controller
- Wide input voltage range
- Integrated MOSFET drivers
- Adjustable switching frequency up to 2MHz
- High efficiency and low external component count
- Programmable soft-start
- Over-temperature and over-current protection
- Power good signal output
- Available in QFN-20 package
Application
- Server power supplies
- Desktop PCs
- Graphic cards
- Industrial applications
- Telecommunications equipment
- Networking equipment
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Rohs Code | Yes | Part Life Cycle Code | Contact Manufacturer |
| Part Package Code | WQFN3x3-20 | Reach Compliance Code | compliant |
| ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
| Control Mode | CURRENT-MODE | JESD-30 Code | S-PQCC-N20 |
| Number of Terminals | 20 | Operating Temperature-Max | 85 °C |
| Operating Temperature-Min | -40 °C | Package Body Material | PLASTIC/EPOXY |
| Package Code | QCCN | Package Equivalence Code | LCC20,.11SQ,16 |
| Package Shape | SQUARE | Package Style | CHIP CARRIER |
| Qualification Status ! | Not Qualified | Surface Mount ! | YES |
| Switching Frequency-Max | 466 kHz | Temperature Grade ! | INDUSTRIAL |
| Terminal Form ! | NO LEAD | Terminal Pitch ! | 0.4 mm |
| Terminal Position | QUAD |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is RT8243BZQW?
The RT8243BZQW is a synchronous step-down DC-DC converter integrated circuit (IC) designed by Richtek. It is ideal for applications requiring efficient power conversion, such as portable devices, consumer electronics, and industrial control systems.
How Does RT8243BZQW Work?
The RT8243BZQW operates as a synchronous buck converter, efficiently stepping down input voltage to a lower output voltage with high efficiency. It utilizes pulse-width modulation (PWM) to control the switching of the power MOSFETs, regulating the output voltage based on the feedback signal. The IC also features overcurrent protection, thermal shutdown, and other protection mechanisms to ensure safe and reliable operation.
How Many Pins does RT8243BZQW have and What are the Functions of the Pinout Configuration?
The RT8243BZQW is housed in a compact 24-pin QFN (Quad Flat No-leads) package. The pinout configuration includes:
- VBAT: Input voltage supply pin.
- GND: Ground pin.
- SW: Switching node for the power MOSFETs.
- BOOT: Bootstrap capacitor pin for driving the high-side MOSFET.
- FB: Feedback pin for voltage regulation.
- EN: Enable pin for turning the converter on or off.
- PGOOD: Power good indication pin.
- SS/TR: Soft-start/tracking control pin.
- Various other pins for auxiliary functions, compensation, and voltage setting.
What are the Pros and Cons of RT8243BZQW?
Pros:
- High Efficiency: Provides efficient power conversion, reducing power loss and extending battery life in portable devices.
- Compact Package: Housed in a small QFN package, suitable for space-constrained designs.
- Protection Features: Includes overcurrent protection, thermal shutdown, and other safety mechanisms for reliable operation.
- Wide Input Voltage Range: Supports a wide input voltage range for versatility in different powered systems.
Cons:
- External Components: May require external components such as inductors, capacitors, and resistors for proper operation and regulation.
- Complexity: Design considerations for layout, thermal management, and noise mitigation are necessary for optimal performance.
Are There Any Equivalents/Alternatives to RT8243BZQW for Recommendation?
- The MP2307 from Monolithic Power Systems is a similar synchronous buck converter IC with comparable features.
- Alternatives to the RT8243BZQW include the TPS54325 from Texas Instruments and the LTC3636 from Analog Devices.
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