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TPS54240DGQR
+Lista de MateriaisIC REG BCK SPLIT RAIL ADJ 10MSOP
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FabricanteTexas Instruments
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Peça do Fabricante #TPS54240DGQR
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Pacote HVSSOP-10
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Em Estoque3955
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | SWIFT™, Eco-Mode™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck, Split Rail |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 3.5V |
| Voltage-Input(Max) | 42V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 39V |
| Current-Output | 2.5A |
| Frequency-Switching | 100kHz ~ 2.5MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 10-PowerTFSOP, 10-MSOP (0.118, 3.00mm Width) |
Visão Geral
Description
Key benefits include high efficiency, low quiescent current, and an adjustable switching frequency ranging from 50 kHz to 2.5 MHz. It also offers features like overcurrent protection, thermal shutdown, and an enable pin for efficient power management. The TPS54240DGQR is housed in a small MSOP-10 package, which is thermally enhanced to handle heat dissipation effectively.
Designed for ease of use, the converter requires minimal external components and supports both continuous and discontinuous mode operation. Its versatility and reliability make it a popular choice for designers seeking a robust power solution in space-constrained applications.
Equivalent
1. LM2596S-5.0 from Texas Instruments
2. LM2734YMK from Texas Instruments
3. LT8608 from Analog Devices
4. MP1584 from Monolithic Power Systems
5. MAX17502 from Maxim Integrated
These alternatives offer comparable functionality in voltage conversion and power management applications. Always verify pin compatibility and performance specifications before substitution.
Features
1. Wide Input Voltage Range: Operates from 3.5 V to 42 V, making it suitable for various applications.
2. Output Current: Delivers up to 2.5 A of continuous output current.
3. Efficiency: High efficiency, often exceeding 90% under typical conditions, minimizing heat generation.
4. Switching Frequency: Adjustable switching frequency ranging from 50 kHz to 2.5 MHz, allowing for design flexibility.
5. Thermal Shutdown: Integrated thermal shutdown feature protects the device against overheating.
6. Cycle-by-Cycle Current Limit: Provides additional protection by preventing excessive currents.
7. Soft Start: Adjustable soft-start feature minimizes inrush current during power-up.
8. Eco-mode™: Supports light-load efficiency with pulse-skipping in low demand scenarios.
9. Internal Compensation: Simplifies design and reduces external component count.
10. Small Package: Available in a small, thermally-enhanced MSOP-PowerPAD package for compact designs.
These features make the TPS54240DGQR a versatile and efficient choice for power conversion in various applications.
Pinout
1. VIN (Pin 1): Input voltage supply.
2. EN (Pin 2): Enable pin; a high signal enables the device.
3. RT/CLK (Pin 3): Sets the switching frequency and synchronizes to an external clock.
4. GND (Pin 4): Ground connection.
5. VSENSE (Pin 5): Feedback input for voltage regulation.
6. COMP (Pin 6): Compensation for the control loop.
7. BOOT (Pin 7): Bootstrap capacitor connection for high-side MOSFET gate drive.
8. PH (Pin 8): Switch node; connects to the output inductor.
9. VDD (Pin 9): Internally generated 5.5V supply; used for internal circuitry.
10. BIAS (Pin 10): Optional bias voltage to improve efficiency.
This device is designed for applications that require efficient conversion from a higher input voltage to a lower output voltage, supporting up to 2.5A of continuous output current.
Manufacturer
Application
1. Industrial Automation: Used in systems needing stable power supply under varying loads.
2. Telecommunications: Powers communication equipment with precise voltage needs.
3. Consumer Electronics: Provides compact and efficient power management for devices.
4. Automotive Systems: Supplies power to various electronic control units (ECUs).
5. Networking Equipment: Used for power regulation in routers and switches.
6. Battery-Powered Devices: Helps in extending battery life by efficiently managing power.
Its wide input voltage range and high efficiency make it suitable for these diverse applications.