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TPS54332DDAR
+NomenclatureIC REG BUCK ADJ 3.5A 8SOPWR
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FabricantTexas Instruments
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Pièce fabricant #TPS54332DDAR
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Package HSOIC (DDA)-8
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En stock6530
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | Eco-Mode™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 3.5V |
| Voltage-Input(Max) | 28V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 26.04V |
| Current-Output | 3.5A |
| Frequency-Switching | 1MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
Présentation
Description
This IC features a high switching frequency of up to 2MHz, which allows for the use of smaller external components, reducing overall design space. It is equipped with an internal loop compensation feature, simplifying the design process for the user. The TPS54332DDAR also includes protection features such as thermal shutdown, current limiting, and undervoltage lockout to enhance reliability and performance.
The TPS54332DDAR is commonly used in applications such as telecommunications, industrial equipment, and consumer electronics, where compact, efficient power conversion is essential. It is presented in a small, thermally efficient SOIC (Small Outline Integrated Circuit) package.
Equivalent
1. LM2596 by Texas Instruments – A popular step-down regulator.
2. MP1584 by Monolithic Power Systems – A compact step-down converter.
3. L7985 by STMicroelectronics – A high-efficiency regulator.
4. LT8608 by Analog Devices – A low-power step-down regulator.
Please verify pin compatibility and electrical characteristics, as these can vary.
Features
Key features include an integrated MOSFET, which simplifies the design and reduces external component count. It has a high-efficiency design, typically over 90%, minimizing heat generation. Protection features include cycle-by-cycle current limit, thermal shutdown, and undervoltage lockout. The TPS54332DDAR also offers a soft-start feature to prevent inrush current during startup. The device comes in a thermally enhanced 8-pin SO PowerPAD™ package, allowing for efficient heat dissipation. These features make it suitable for applications in consumer electronics, industrial power systems, and distributed power architectures.
Pinout
1. BOOT: A bootstrap capacitor connection for the high-side FET driver.
2. VIN: Input voltage supply pin, which can handle a voltage range from 3.5V to 28V.
3. EN: Enable pin to turn the device on or off.
4. SS/TR: Soft-start/tracking pin used for controlling the soft-start or tracking function.
5. GND: Ground connection.
6. VSENSE: Feedback pin for voltage regulation; it is connected to the output voltage.
7. COMP: Compensation pin for external compensation network.
8. SW: Switch node output that connects to the inductor and diode.
The primary function of the TPS54332 is to provide a highly efficient step-down (buck) conversion with a current capability of 3A, suitable for a wide range of applications.