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LMR14050SQDPRRQ1
+Lista de MateriaisIC REG BUCK ADJUSTABLE 5A 10WSON
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FabricanteTexas Instruments
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Peça do Fabricante #LMR14050SQDPRRQ1
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Pacote WSON-10
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100, SIMPLE SWITCHER® |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 28V |
| Current - Output | 5A |
| Frequency - Switching | 200kHz ~ 2.5MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Visão Geral
Description
The LMR14050SQDPRRQ1 offers built-in protections, including overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring robust performance under adverse conditions. It also includes an adjustable output voltage, soft-start functionality, and low quiescent current, making it ideal for battery-powered systems. The component is packaged in a small, thermally enhanced, and leadless VQFN package, which aids in efficient heat dissipation and compact design.
Overall, the LMR14050SQDPRRQ1 is tailored for automotive applications requiring reliable power conversion, such as infotainment systems, advanced driver-assistance systems (ADAS), and body control modules.
Equivalent
Features
1. Input Voltage Range: Operates from 4.5 V to 40 V, making it suitable for automotive and industrial applications.
2. Output Current: Capable of delivering up to 5 A continuous output current.
3. Efficiency: High efficiency of up to 90%, minimizing heat dissipation and power loss.
4. Switching Frequency: Adjustable frequency range from 200 kHz to 2.5 MHz, allowing for design flexibility and optimization.
5. Low Quiescent Current: Features a low standby quiescent current of 40 µA, which is beneficial for battery-powered applications.
6. Thermal Protection: Includes thermal shutdown for protection against overheating.
7. Package: Offered in a 10-pin WSON package for compact designs.
8. Automotive Grade: AEC-Q100 qualified, ensuring reliability in automotive environments.
9. Protections: Built-in protections include current limiting, short circuit protection, and thermal shutdown.
This converter is ideal for applications requiring a compact, efficient, and reliable power solution, especially in automotive systems.
Pinout
1. BOOT: Bootstrap capacitor connection. Provides the voltage required to drive the high-side MOSFET.
2. VIN: Input voltage supply pin. Connects the input supply voltage.
3. SW: Switch node. Connects the inductor and carries the switched voltage.
4. GND: Ground. Common ground connection for the device.
5. FB: Feedback. Connects to the output voltage to regulate and set the output voltage.
6. RT/CLK: Frequency setting and synchronization input. Allows setting the switching frequency.
7. EN: Enable pin. Used to enable or disable the device.
8. NC: No connection. This pin is not internally connected and can be left floating.
This configuration supports the device's function as a buck converter, offering efficient power conversion and regulation for automotive and industrial applications.