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TPS62821DLCT
down DC-DC converter
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製造商零件號 # : TPS62821DLCT
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包裝/封裝: VSON-HR (DLC)-8
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製造商: Texas Instruments
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產品分類 : Voltage Regulators - DC DC Switching Regulators
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TPS62821DLCT 數據表
目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
The TPS62821DLCT is a top-of-the-line step-down converter, designed for maximum efficiency and performance. With its wide input voltage range and low output voltage capability, this converter is perfect for applications where space and energy efficiency are key considerations
主要特徵
- Superior noise rejection
- Reliable operation guarantees
- Micropower sleep mode
- Safe overvoltage protection
- Precise current limiting
- Advanced power-good indication
應用
- Boost your battery power
- Small yet effective
- Optimal for IoT devices
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。
| Vin (min) (V) | 2.4 | Vin (max) (V) | 5.5 |
| Vout (min) (V) | 0.6 | Vout (max) (V) | 4 |
| Iout (max) (A) | 1 | Iq (typ) (mA) | 0.004 |
| Switching frequency (min) (kHz) | 2200 | Switching frequency (max) (kHz) | 2200 |
| Features | Enable, Light load efficiency, Output discharge, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, Synchronous Rectification, UVLO fixed | Operating temperature range (°C) | -40 to 125 |
| Rating | Catalog | Regulated outputs (#) | 1 |
| Control mode | Constant on-time (COT), DCS-Control | Duty cycle (max) (%) | 100 |
| Type | Converter |
Specification Comparison
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 TPS62821DLCT?
The TPS62821DLCT is a high-efficiency, synchronous step-down DC-DC converter designed by Texas Instruments. It is ideal for space-constrained and battery-powered applications requiring high efficiency and low quiescent current, such as portable devices, wearables, and IoT (Internet of Things) devices.
How Does TPS62821DLCT Work?
The TPS62821DLCT operates by converting a higher input voltage to a lower output voltage with high efficiency. It utilizes synchronous rectification to minimize power loss and features a low quiescent current, making it suitable for battery-powered applications. The converter also includes various protection features to ensure reliable operation in different operating conditions.
How Many Pins does TPS62821DLCT have and What are the Functions of the Pinout Configuration?
The TPS62821DLCT is housed in a 6-pin WSON (Wide Small Outline No-Lead) package. The pinout configuration includes:
- PGND: Power ground pin.
- SW: Switching node pin.
- FB: Feedback voltage pin.
- VOUT: Output voltage pin.
- VIN: Input voltage pin.
- AGND: Analog ground pin.
What are the Pros and Cons of TPS62821DLCT?
Pros:
- High Efficiency: Provides high efficiency at light and heavy loads, optimizing battery life in portable applications.
- Low Quiescent Current: Features a low quiescent current, suitable for battery-powered devices.
- Wide Input Voltage Range: Supports a wide input voltage range for flexibility in power supply design.
- Small Footprint: Housed in a compact package, suitable for space-constrained designs.
- Protection Features: Includes various protection features such as overcurrent protection and thermal shutdown for reliable operation.
Cons:
- External Components: May require external components such as inductors and capacitors for operation.
- Complexity: Requires careful consideration of layout and component selection for optimal performance.
- Operating Temperature: Operating temperature range may be limited compared to industrial-grade solutions.
Are There Any Equivalents/Alternatives to TPS62821DLCT for Recommendation?
- The TPS62822 from Texas Instruments is a similar synchronous step-down DC-DC converter with slightly different features.
- Alternatives to the TPS62821DLCT include the MP2315 from Monolithic Power Systems and the LT8609S from Analog Devices.
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