Abbildungen dienen nur als Referenz
TPS54519RTER
+StücklisteIC REG BUCK ADJUSTABLE 5A 16WQFN
-
HerstellerTexas Instruments
-
Herstellerteil #TPS54519RTER
-
Paket WQFN-16
-
Auf Lager2516
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | SWIFT™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 2.95V |
| Voltage-Input(Max) | 6V |
| Voltage-Output(Min/Fixed) | 0.6V |
| Voltage-Output(Max) | 4.5V |
| Current-Output | 5A |
| Frequency-Switching | 200kHz ~ 2MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 140°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 16-WFQFN Exposed Pad |
Übersicht
Description
The converter features an adjustable output voltage, which can be set using external resistors, and supports a switching frequency range of 200 kHz to 2 MHz, allowing for flexibility in optimizing efficiency and compactness. It includes integrated MOSFETs, which reduce the need for external components and improve overall efficiency. The TPS54519RTER also offers features like soft-start, enable pin, and power-good output for improved system control and sequencing.
Protection features include overcurrent protection, undervoltage lockout, and thermal shutdown, ensuring reliable operation under various conditions. The device is available in a thermally enhanced 16-pin WQFN package.
Equivalent
1. LM26420 from Texas Instruments
2. LTC3605 from Analog Devices
3. MP2459 from Monolithic Power Systems
4. MAX15021 from Maxim Integrated
It's essential to compare the electrical specifications and package requirements to ensure compatibility in your specific application.
Features
1. Voltage Input Range: Operates with input voltages from 2.95V to 6V, making it suitable for standard 3.3V and 5V rails.
2. Output Current: Capable of delivering up to 5A continuous output current.
3. Adjustable Output Voltage: The output voltage can be set as low as 0.8V, allowing for flexibility in various applications.
4. Switching Frequency: Offers an adjustable switching frequency ranging from 200 kHz to 2 MHz, allowing for optimized efficiency and component size.
5. High Efficiency: Designed for high efficiency across a wide load range, thanks to its synchronous step-down architecture with integrated high and low-side MOSFETs.
6. Soft Start and Tracking: Includes a soft-start feature to limit inrush current and enable power sequencing.
7. Protection Features: Incorporates overcurrent protection, thermal shutdown, and output short-circuit protection to enhance reliability.
8. Compact Packaging: Available in a 16-pin WQFN package, facilitating space-constrained designs.
These features make the TPS54519RTER suitable for a variety of applications, including telecommunications, networking, and industrial equipment.
Pinout
Here is a brief overview of its pin functions:
1. VIN: Power input voltage.
2. EN: Enable pin to turn the converter on or off.
3. SS/TR: Soft-start and tracking pin.
4. FB: Feedback input for setting output voltage.
5. COMP: Compensation pin for loop compensation.
6. PWRGD: Power good indicator.
7. RT/CLK: Frequency set or synchronization input.
8. BOOT: Bootstrap capacitor connection for high-side FET drive.
9. SW: Switch node, connected to the inductor.
10. GND: Ground.
11. PGND: Power ground for the power stage.
12-16. NC/DAP: No connect or thermal pad for heat dissipation.
This converter supports a wide input voltage range and provides a high level of integration to reduce component count in the design. For precise pin function and connection, always refer to the manufacturer's datasheet.