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TPS54318RTER
+StücklisteIC REG BUCK ADJUSTABLE 3A 16WQFN
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HerstellerTexas Instruments
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Herstellerteil #TPS54318RTER
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Paket QFN-16
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Auf Lager5561
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| 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) | 0.803V |
| Voltage-Output(Max) | 4.5V |
| Current-Output | 3A |
| Frequency-Switching | 200kHz ~ 2MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 16-WFQFN Exposed Pad |
Übersicht
Description
Key features of the TPS54318RTER include a 3 A output current capability, integrated MOSFETs for reduced component count, and a high switching frequency (up to 2.5 MHz) that allows for the use of small external components, minimizing PCB footprint. The device also offers adjustable output voltage via an external resistor divider and incorporates various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.
With its compact 16-pin WQFN package, the TPS54318RTER is well-suited for space-constrained applications that demand high power density and robust performance.
Equivalent
1. MP2315 from Monolithic Power Systems: Offers similar input voltage and output current specifications.
2. LMR33630 from Texas Instruments: Another high-efficiency buck converter with similar features.
3. LTC3643 from Analog Devices: Provides similar input/output range and efficiency.
4. MAX17502 from Maxim Integrated: Offers comparable current handling and efficiency.
Always verify specific requirements like package type, thermal performance, and unique features before selecting an alternative.
Features
1. Input Voltage Range: It supports a wide input voltage range from 2.95V to 6V, making it suitable for various applications including low-voltage systems.
2. Output Current: Capable of delivering up to 3A of continuous output current, which is ideal for powering a variety of loads.
3. Efficiency: High efficiency up to 95%, which reduces power loss and thermal stress, enhancing overall system performance.
4. Switching Frequency: Operates at a fixed switching frequency of 2.5 MHz, allowing for compact solution size with small external components.
5. Soft Start: Features an adjustable soft-start time to prevent inrush current during power-up.
6. Protection Features: Includes over-current protection, thermal shutdown, and output short-circuit protection to enhance system reliability.
7. Package: Comes in a 16-pin VQFN package, which is compact and allows for high-density PCB design.
These features make the TPS54318RTER a versatile and robust choice for a wide range of power management applications.
Pinout
1. VIN - Power input.
2. SW - Switch node, connected to the inductor.
3. BOOT - Bootstrap capacitor connection for driving the high-side FET.
4. EN - Enable pin to turn the device on or off.
5. SS/TR - Soft-start and tracking pin for controlled startup.
6. COMP - Output of the error amplifier, used for loop compensation.
7. FB - Feedback pin for voltage regulation.
8. GND - Ground connection.
9. PGND - Power ground for the high-current path.
10. RT/CLK - Resistor timing for switching frequency adjustment or external clock synchronization.
11. PWRGD - Power good indicator.
12. VREG5 - Internal regulator output.
13. VREG5-SNS - Sense pin for the internal VREG5 regulator.
14. ILIM - Current limit setting.
15. (Other pins may be omitted for brevity.)
These functionalities help in delivering efficient power conversion and regulation for various applications.
Manufacturer
Application
1. Telecommunications Equipment: Efficient power conversion for network infrastructure.
2. Computing and Data Centers: Power regulation for processors and memory modules.
3. Consumer Electronics: Used in devices like TVs and set-top boxes for power efficiency.
4. Industrial Automation: Provides reliable power to control systems and sensors.
5. Automotive Systems: Supplies stable power for infotainment and advanced driver-assistance systems (ADAS).
6. Medical Devices: Ensures precise power delivery in sensitive electronic equipment.
Its ability to support high current loads with efficiency makes it versatile across various sectors.