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TPS51124RGER
+NomenclatureIC REG CTRLR BUCK 24QFN
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FabricantTexas Instruments
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Pièce fabricant #TPS51124RGER
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Package VQFN (RGE)-24
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En stock4437
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | D-CAP™ |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| NumberofOutputs | 2 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 4.5V ~ 5.5V |
| SynchronousRectifier | Yes |
| ClockSync | No |
| ControlFeatures | Enable, On Time Control, Power Good |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 24-VFQFN Exposed Pad |
Présentation
Description
Key features include high efficiency across a wide load range, adaptive on-time D-CAP™ mode control, and integrated MOSFET drivers, which reduce the need for external components. The TPS51124RGER also offers features like selectable switching frequency, soft-start, and power-good signaling to enhance system reliability and performance. The controller is available in a QFN package, which ensures a compact form factor for space-constrained applications.
In summary, the TPS51124RGER is ideal for applications requiring efficient power conversion, flexibility in design, and reliability, making it a popular choice for developers working with complex electronic systems.
Equivalent
1. Maxim Integrated MAX15415 - A dual output, step-down controller.
2. ON Semiconductor NCP81253 - A dual buck converter controller.
3. Renesas ISL6227 - Dual synchronous step-down controller.
4. Analog Devices ADP3189 - Dual-phase buck controller.
Be sure to verify compatibility with your specific application requirements such as voltage and current specifications.
Features
1. Wide Input Voltage Range: It supports 5.5V to 28V, making it versatile for various power sources.
2. Output Voltage Range: The device offers 2 output voltage settings ranging from 0.76V to 5.5V.
3. High-Efficiency: Includes a low RDS(on) synchronous MOSFETs for high efficiency.
4. D-CAP™ Mode: Ensures fast transient response and simplifies the design process.
5. Automatic Power-Save Mode: Enhances efficiency during light load conditions.
6. Selectable Switching Frequency: Offers options between 250kHz and 500kHz to optimize performance.
7. Built-in Soft Start: Reduces inrush current during startup.
8. UVLO Protection: Undervoltage lockout for enhancing safety.
9. Thermal Shutdown: Protects the device under excessive temperature conditions.
10. QFN Package: Offers a small footprint with good thermal performance.
This makes the TPS51124RGER suitable for efficient power management in portable electronics.
Pinout
1. Dual Output: It supports two synchronous buck controllers for high-efficiency power conversion.
2. Wide Input Voltage Range: It operates from 4.5V to 28V.
3. D-CAP™ Mode: Provides fast transient response and simple loop compensation.
4. Adjustable Output: Allows output voltages to be set between 0.76V to 5.5V.
5. Selectable Light Load Efficiency: Features Eco-mode™ for high efficiency under light load conditions.
6. Protection Features: Includes over-current protection, under-voltage lockout, and thermal shutdown.
The device is often employed in applications requiring compactness, high efficiency, and reliable performance. For specific pin functions, please refer to the official datasheet from Texas Instruments, as it provides detailed pin descriptions and configurations.