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LMR14203XMKX/NOPB
Small package SOT-23-6
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製造商零件號 # : LMR14203XMKX/NOPB
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包裝/封裝: SOT23-6
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零件狀態 : ACTIVE
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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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LMR14203XMKX/NOPB 數據表
價格 (USD)
| 數量 | 單價 | 總價 |
|---|---|---|
| 1 | $1.710 | $1.71 |
| 10 | $1.469 | $14.69 |
| 30 | $1.320 | $39.60 |
| 100 | $1.165 | $116.50 |
| 500 | $1.095 | $547.50 |
| 1000 | $1.064 | $1,064.00 |
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 LMR14203XMKX/NOPB is a versatile PWM DC/DC buck regulator designed to meet a wide range of application needs. Its input range of 4.5V to 42V makes it suitable for power conditioning from unregulated sources, providing flexibility and efficiency. With a low RDS(ON) of 0.9Ω, this regulator boasts maximum efficiency at 85%, ensuring optimal performance. The fixed operating frequency of 1.25 MHz allows for the use of compact external components, while maintaining low output voltage ripple for enhanced stability. The soft-start feature can be customized using the shutdown pin and an external RC circuit, allowing users to tailor the start-up time according to their specific requirements
主要特徵
- This regulator is suitable for industrial sensors use
- Limited dropout voltage and adjustable output
- Suitable for portable electronics and IoT devices use
- This step-down converter provides low quiescent current
- Compact design ideal for space-constrained applications use
- This simple switcher is highly efficient
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) | 4.5 | Vin (max) (V) | 42 |
| Vout (min) (V) | 0.765 | Vout (max) (V) | 34 |
| Iout (max) (A) | 0.3 | Iq (typ) (mA) | 1.3 |
| Switching frequency (min) (kHz) | 950 | Switching frequency (max) (kHz) | 1500 |
| Features | Enable, Over Current Protection | Operating temperature range (°C) | -40 to 125 |
| Rating | Catalog | Regulated outputs (#) | 1 |
| Control mode | current mode | Duty cycle (max) (%) | 87 |
| 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 LMR14203XMKX/NOPB?
The LMR14203XMKX/NOPB is a step-down voltage regulator module manufactured by Texas Instruments. It is a compact and efficient solution for powering a wide range of applications, including industrial equipment, consumer electronics, and automotive systems.
How Does LMR14203XMKX/NOPB Work?
The LMR14203XMKX/NOPB operates as a step-down voltage regulator, converting a higher input voltage to a lower output voltage. It utilizes a synchronous buck topology to achieve high efficiency and low heat dissipation. The module offers features such as adjustable output voltage, overcurrent protection, and thermal shutdown for reliable power delivery.
How Many Pins does LMR14203XMKX/NOPB have and What are the Functions of the Pinout Configuration?
The LMR14203XMKX/NOPB comes in a compact module form with specific pin functions:
- VIN: Input voltage pin.
- EN: Enable pin for turning the regulator on and off.
- PGOOD: Power good indicator pin.
- FB: Feedback pin for setting the output voltage.
- SW: Switching node pin for connecting the inductor.
- GND: Ground pin.
What are the Pros and Cons of LMR14203XMKX/NOPB?
Pros:
- Efficiency: Provides high efficiency power conversion for energy-saving applications.
- Compact Size: Module form factor saves board space and simplifies design.
- Adjustable Output: Allows flexibility in setting the desired output voltage.
- Protection Features: Includes overcurrent and thermal protection for safe operation.
Cons:
- Cost: Higher cost compared to non-module regulators for some applications.
- External Components: May require additional external components for specific configurations.
Are There Any Equivalents/Alternatives to LMR14203XMKX/NOPB for Recommendation?
- The LM2675 from Texas Instruments is a comparable step-down regulator with similar features.
- Alternatives to the LMR14203XMKX/NOPB include the MP2315 from Monolithic Power Systems and the TPS62125 from Texas Instruments.
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