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TPS54239DDAR
+StücklisteIC REG BUCK ADJUSTABLE 2A 8SOPWR
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HerstellerTexas Instruments
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Herstellerteil #TPS54239DDAR
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Paket SOIC-8
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Auf Lager1485
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | SWIFT™, D-CAP2™ |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 23V |
| Voltage - Output (Min/Fixed) | 0.76V |
| Voltage - Output (Max) | 7V |
| Current - Output | 2A |
| Frequency - Switching | 600kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Übersicht
Description
Key features include a high switching frequency of 2MHz, which enables the use of smaller external components, enhancing compactness in design. It incorporates an adaptive on-time D-CAP2™ control mode, providing fast transient response and simplified loop compensation. The converter also features a low standby current, enhancing efficiency at light loads.
Additionally, the TPS54239DDAR includes various protection mechanisms such as current limit, overvoltage protection, and thermal shutdown, ensuring robust and reliable operation. The device is housed in a small, thermally enhanced 8-pin SO PowerPAD™ package, making it suitable for space-constrained applications like consumer electronics, telecommunications, and industrial equipment.
Equivalent
1. LMR33620 by Texas Instruments - A 2-A synchronous buck regulator.
2. MP2451 by Monolithic Power Systems - A 2-A step-down converter.
3. LM2596 by Texas Instruments - A 3-A step-down voltage regulator.
4. LT8608 by Analog Devices - A 1.5-A synchronous buck converter.
5. AP65211 by Diodes Incorporated - A 2-A synchronous buck converter.
Always check datasheets for compatibility and electrical specifications.
Features
1. Wide Input Voltage Range: Operates from 4.5 V to 28 V, suitable for various consumer and industrial applications.
2. Output Current: Supports up to 2 A continuous output current.
3. High Efficiency: Achieves up to 95% efficiency through synchronous rectification.
4. Adjustable Output Voltage: Allows fine-tuning of the output voltage from 0.76 V to 7 V.
5. Fixed Switching Frequency: Operates at a nominal frequency of 700 kHz, optimizing size and efficiency.
6. Internal Compensation: Simplifies design by eliminating the need for external compensation components.
7. Low Quiescent Current: Minimizes power consumption in light-load conditions.
8. Soft-Start Feature: Reduces inrush current during start-up, enhancing system reliability.
9. Protection Features: Includes overcurrent, overvoltage, and thermal shutdown protections.
10. Compact Package: Available in a 10-pin VSON package, which is ideal for space-constrained designs.
These features make the TPS54239DDAR a versatile and efficient choice for power supply applications.
Pinout
1. VIN: Supply input voltage for the IC.
2. EN: Enable pin to shut down the device.
3. SS/TR: Soft-start and tracking pin for setting the output voltage ramp up time.
4. GND: Ground pin for the device.
5. VSENSE: Feedback pin to set output voltage.
6. COMP: Compensation pin for stability and transient response.
7. RT/CLK: Resistor timing or synchronization clock input.
8. SW: Switch node, connected to the inductor and the internal high-side MOSFET.
This configuration facilitates efficient voltage regulation, suitable for applications requiring a compact, high-performance DC-DC conversion solution.
Manufacturer
Application
1. Consumer Electronics: Power supply for devices like tablets, smartphones, and wearables.
2. Industrial Systems: Used in automation equipment and industrial controllers for reliable power management.
3. Telecommunications: Powers networking equipment, routers, and modems.
4. Automotive Electronics: Suitable for infotainment systems and other in-car electronics.
5. Embedded Systems: Provides power for microcontrollers and FPGAs in various embedded applications.
6. Computing: Used in power management for hard drives, SSDs, and other peripherals.
These applications leverage its efficiency, compact size, and reliable performance.