| Part No | TPS5450DDAR |
| Manufacturer | Texas Instruments |
| Catalog | PMIC – Voltage Regulators – DC DC Switching Regulators |
| Description | IC REG BUCK ADJ 5A 8SOPWRPAD |
| Datasheet | TPS5450DDAR Datasheet |
The TPS5450DDAR is a highly integrated, efficient, step-down (buck) converter from Texas Instruments, designed to provide a reliable power management solution for a wide range of applications. With its ability to convert a higher input voltage to a lower output voltage, the TPS5450DDAR is particularly suitable for systems that require a stable and efficient power supply.
This converter supports an input voltage range from 5.5V to 36V, making it versatile for both industrial and consumer applications. It can deliver up to 5A of continuous output current, which ensures ample power for demanding loads. The output voltage is adjustable from 1.221V to 32V, giving designers the flexibility to use this component in various circuits without the need for multiple different converters.
The TPS5450DDAR incorporates a range of features that enhance its performance and reliability. It has a fixed switching frequency of 500 kHz, which allows for a good balance between efficiency and component size, making it easier to design compact power supplies. The device also includes an internal soft-start to minimize inrush current and reduce startup stress on the power supply components, thereby extending their lifespan.
Safety is a key concern in power design, and the TPS5450DDAR addresses this with its built-in overcurrent protection, thermal shutdown, and undervoltage lockout. These protective features ensure that the device operates within safe parameters, protecting both the converter and the downstream components from potential damage due to abnormal operating conditions.
The TPS5450DDAR comes in a thermally enhanced 8-pin SOIC package, which helps to dissipate heat effectively. This thermal management, along with its high efficiency, means it can operate reliably over a wide temperature range, which is crucial for industrial environments.
In summary, the TPS5450DDAR from Texas Instruments is a robust, flexible, and efficient solution for DC-DC conversion. It is ideal for designers looking for a power converter that can handle high currents, a wide input voltage range, and requires minimal external components while providing a secure and durable operation.
| Estimated EOL Date | 2027 |
| Is this a common-used part? | Yes |
| Popularity | High |
| Fake Threat In the Open Market | 58 pct. |
| Supply and Demand Status | Balance |
| Halogen Free | Compliant |
| Country of Origin | United Statesof America, Philippines |
| Introduction Date | March 01, 2007 |
| Family Name | TPS5450 |
| Case / Package | 8-SO PowerPad |
| Mounting | SMD (SMT) |
| Temperature Range – Operating | -40°C to 125°C (TJ) |
| Synchronous Rectifier | No |
| Frequency – Switching | 500kHz |
| Output Current | 5A |
| Maximum Output Voltage | 31.32V |
| Maximum Input Voltage | 36V |
| Minimum Input Voltage | 5.5V |
| Number of Outputs | 1 |
| Output Type | Adjustable |
| Topology | Buck |
| Purpose | Step-Down |
| Status | Active |
| Packaging | Reel – TR |
| Manufacturer | Texas Instruments |
| Categories | Integrated Circuits |
| Nominal Output Voltage (Min/Fixed) | 1.221V |
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