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APW7073
Synchronous Buck PWM Controller
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APW7073 數據表
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詳細說明
General DescriptionThe APW7073 is voltage mode, synchronous PWM controller which drives dual N-channel MOSFETs. The device integrates all of the control, monitoring and protectingfunctions into a single package, provides one controlled power output with under-voltage and over-current protections.Features• Single 12V Power Supply Required• 0.6V Reference with 1%Accurate• Shutdown and Soft-start Function• Programmable Frequency Range from 50 kHz to 1000kHz• Voltage Mode PWM Control Design• Up to 100% Duty Cycle• Under-Voltage Protection• Over-Current Protection• SOP-14, QF N-16 Packages• Lead Free Available (RoHS Compli ant)Applications• Graphic Cards
主要特徵
- Single 12V Power Supply Required
- 0.6V Reference with 1%Accurate
- Shutdown and Soft-start Function
- Programmable Frequency Range from 50 kHz to 1000kHz
- Voltage Mode PWM Control Design
- Up to 100% Duty Cycle
- Under-Voltage Protection
- Over-Current Protection
- SOP-14, QF N-16 Packages
- Lead Free Available (RoHS Compli ant)
- Applications
- Graphic Cards
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 APW7073?
The APW7073 is a high-frequency, high-efficiency synchronous buck DC-DC converter designed by Anpec Electronics Corporation. It is suitable for a wide range of applications including point-of-load regulation, portable devices, and power management systems.
How Does APW7073 Work?
The APW7073 operates as a synchronous buck converter, converting input voltage into a lower, regulated output voltage with high efficiency. It utilizes a pulse-width modulation (PWM) control scheme and synchronous rectification to achieve high power conversion efficiency. The converter features integrated power MOSFETs, reducing the need for external components.
How Many Pins does APW7073 have and What are the Functions of the Pinout Configuration?
The APW7073 is housed in a 16-pin QFN (Quad Flat No-Lead) package. The pinout configuration includes:
- VIN: Input voltage pin.
- SW: Switch node for the buck converter.
- PGND: Power ground pin.
- LX: Inductor connection pin.
- FB: Feedback pin for output voltage regulation.
- EN: Enable pin for controlling device operation.
- COMP: Compensation pin for stability optimization.
- SS/TR: Soft start/tracking pin for controlling start-up behavior or output tracking.
- PGOOD: Power good indicator pin.
- VOUT: Output voltage pin.
- BOOT: Bootstrap capacitor connection pin for high-side gate driver.
- PH: Phase node for controlling high-side and low-side MOSFETs.
What are the Pros and Cons of APW7073?
Pros:
- High Efficiency: Offers high power conversion efficiency, reducing power loss and heat generation.
- Integrated MOSFETs: Integrated power MOSFETs simplify the design and layout of the power supply.
- Wide Input Voltage Range: Suitable for a wide range of input voltages, enhancing applicability.
- Flexible Control Features: Includes soft start, power good indicator, and enable pin for controlled device operation.
- Compact Package: The 16-pin QFN package provides a space-efficient solution for power management applications.
Cons:
- Complexity: Buck converters may require careful consideration of layout, filtering, and thermal management for optimal performance.
- External Components: May require additional external components such as inductors and capacitors for specific applications or to meet certain requirements.
Are There Any Equivalents/Alternatives to APW7073 for Recommendation?
- The MP2380 from Monolithic Power Systems is a similar high-frequency, high-efficiency synchronous buck converter.
- Alternatives to the APW7073 include the TPS53317 from Texas Instruments and the LT8614 from Analog Devices.
