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TPS54040DGQR
+Lista de MateriaisIC REG BUCK ADJ 500MA 10MSOP
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FabricanteTexas Instruments
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Peça do Fabricante #TPS54040DGQR
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Pacote MSOP-10
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | Eco-Mode™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| 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 | 500mA |
| 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
The TPS54040DGQR incorporates an advanced control topology that allows for high efficiency and fast transient response. It features a fixed-frequency PWM (Pulse Width Modulation) mode for predictable EMI performance. Key features include adjustable output voltage, thermal shutdown, and an internal slow-start circuit that helps reduce inrush current during startup.
The regulator is housed in a compact MSOP-10 package, which is ideal for space-constrained applications. Its high level of integration and robust feature set make it suitable for power supply designs requiring efficiency, reliability, and compactness. Additionally, it includes comprehensive protection features like overcurrent protection and thermal shutdown, enhancing its reliability and longevity in challenging environments.
Equivalent
1. LM2596 from Texas Instruments
2. LM22670 from Texas Instruments
3. MP1584 from Monolithic Power Systems
4. LTC3639 from Analog Devices
5. MAX17502 from Maxim Integrated
6. AP1509 from Diodes Incorporated
These alternatives vary in features such as input voltage range, output current, and efficiency, so it’s important to match the specific requirements of your application.
Features
1. Input Voltage Range: Operates from 3.5V to 42V, suitable for a wide range of applications.
2. Output Current: Delivers up to 0.5A of continuous output current.
3. Efficiency: High efficiency up to 96%, reducing heat generation and power loss.
4. Switching Frequency: Adjustable switching frequency from 50kHz to 2.5MHz, allowing for flexibility in component selection and noise optimization.
5. Integrated Switch: Includes a 170-mΩ high-side MOSFET for efficient operation.
6. Soft-Start Feature: Programmable soft-start to limit inrush current during startup.
7. Protection Features: Overcurrent protection, thermal shutdown protection, and undervoltage lockout to enhance reliability and safety.
8. Package Type: Available in the thermally-enhanced 10-pin MSOP-PowerPAD package for efficient heat dissipation.
9. Applications: Ideal for industrial, automotive, consumer electronics, and other applications requiring efficient step-down voltage conversion.
This combination of features makes the TPS54040DGQR versatile and effective for various power management tasks.
Pinout
1. BOOT: Bootstrap capacitor for the high-side MOSFET driver.
2. VIN: Input voltage pin for connecting the supply voltage.
3. EN: Enable pin to enable or disable the device.
4. GND: Ground reference for the IC.
5. VSENSE: Feedback voltage pin for output voltage regulation.
6. COMP: Compensation pin for external compensation network.
7. RT/CLK: Resistor timing for switching frequency adjustment or external clock synchronization.
8. BP: Bypass capacitor pin for the internal regulator.
9. SW: Switch node where the inductor is connected.
10. VREG5: Output of the internal regulator, typically 5V.
This IC is commonly used in applications needing efficient voltage conversion and is suitable for systems that require a compact and efficient power supply solution.
Manufacturer
Application
1. Point-of-Load Regulation: For processors, FPGAs, and ASICs in computing and communication systems.
2. Industrial and Automotive Systems: Used in various control and automation systems where robust and reliable power conversion is crucial.
3. Consumer Electronics: Provides efficient power supply for devices like LED drivers, TVs, and home appliances.
4. Battery-Powered Devices: Extends battery life by efficiently managing power conversion.
5. Test and Measurement Equipment: Ensures stable power delivery for precise measurements.
These applications leverage the TPS54040DGQR's efficient voltage conversion, compact size, and reliability.