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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
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RT8243BZQW 數據表
價格 (USD)
| 數量 | 單價 | 總價 |
|---|---|---|
| 1 | $1.033 | $1.03 |
| 200 | $0.400 | $80.00 |
| 500 | $0.386 | $193.00 |
| 1500 | $0.380 | $570.00 |
這些價格會受到市場波動的影響，需要提交報價才能取得最新價格。
詳細說明
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
主要特徵
- 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
應用
- Server power supplies
- Desktop PCs
- Graphic cards
- Industrial applications
- Telecommunications equipment
- Networking equipment
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| 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 |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
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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