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TPS54394PWPR
+NomenclatureIC REG BUCK ADJ 3A DL 16HTSSOP
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FabricantTexas Instruments
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Pièce fabricant #TPS54394PWPR
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Package HTSSOP-16
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En stock4369
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | D-CAP2™, Eco-Mode™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 2 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 18V |
| Voltage-Output(Min/Fixed) | 0.76V |
| Voltage-Output(Max) | 7V |
| Current-Output | 3A |
| Frequency-Switching | 700kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 16-PowerTSSOP (0.173, 4.40mm Width) |
Présentation
Description
The converter features high efficiency across a wide load range due to its low RDS(on) internal MOSFETs and optimized switching frequency. The TPS54394PWPR integrates several protection mechanisms, including overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring reliable performance under various conditions.
With its adjustable switching frequency and synchronization capability, the TPS54394PWPR is suitable for applications demanding compact size and low electromagnetic interference (EMI). It is ideal for powering DSPs, FPGAs, and other digital loads in automotive, industrial, and consumer electronics sectors. The device's ease of use, stability, and versatility make it a popular choice for engineers designing power supply systems.
Equivalent
1. LM73606 by Texas Instruments: Offers similar features and pin compatibility.
2. MPQ4572 by MPS (Monolithic Power Systems): A comparable step-down converter.
3. LTC3633 by Analog Devices: Provides dual-channel output with similar specifications.
4. MAX20034 by Maxim Integrated: Suitable for automotive applications with equivalent functionality.
Ensure compatibility by checking datasheets for specific requirements like input/output voltage, current, and package.
Features
Key features include a fixed switching frequency of 500kHz, which simplifies external component selection and optimizes performance. The TPS54394PWPR also supports adjustable output voltage settings, providing flexibility for different design requirements. It incorporates an internal compensation network, reducing the number of external components needed.
The converter includes protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, enhancing reliability and safety. Its small HTSSOP (PowerPAD) package offers efficient thermal performance, making it suitable for space-constrained applications. The device is commonly used in areas such as telecommunications, industrial systems, and consumer electronics, where efficient step-down voltage conversion is needed.
Pinout
The main functions of the TPS54394 include step-down (buck) voltage conversion, enabling the transformation of a higher input voltage to a lower output voltage efficiently. It features two independently controlled buck converters, which are capable of providing output currents up to 3 A per channel. The device includes features such as soft start, enable pins, power good indicators, and external compensation to optimize performance. It is commonly used in applications such as telecommunications, industrial equipment, and consumer electronics where reliable power conversion is essential.
Reference the datasheet for detailed pin configuration and specific electrical characteristics.
Manufacturer
Application
1. Consumer Electronics: Provides stable power for devices such as TVs, set-top boxes, and gaming consoles.
2. Industrial Equipment: Powers control systems, PLCs, and industrial automation tools.
3. Telecommunications: Used in network equipment like routers and switches.
4. Computing: Supports power supply for servers, desktop PCs, and notebooks.
5. Automotive: Powers infotainment and other electronic control units.
Its efficiency and compact design make it suitable for any application needing reliable and efficient power conversion.