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IC REG BCK ADJ 4A/2A DL 16HTSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #TPS54495PWP
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Pacote HTSSOP-16
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Em Estoque7496
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Especificações
| Atributo | Valor |
| Package / Case | Bulk,Tube |
| Series | D-CAP2™, Eco-Mode™ |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 2 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 18V |
| Voltage - Output (Min/Fixed) | 0.76V |
| Voltage - Output (Max) | 7V |
| Current - Output | 4A, 2A |
| Frequency - Switching | 700kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features of the TPS54495PWP include:
1. Input Voltage Range: 4.5 V to 18 V, making it versatile for various power supply systems.
2. Output Current: Capable of delivering up to 4 A continuous output current.
3. Switching Frequency: Adjustable from 250 kHz to 2 MHz, allowing flexibility in design to optimize efficiency and minimize component size.
4. Efficiency: High efficiency with integrated MOSFETs, reducing heat generation and improving overall performance.
5. Compact Design: Available in a 20-pin HTSSOP package, it aids in space-constrained applications.
6. Protection Features: Includes over-current protection, under-voltage lockout, and thermal shutdown to ensure reliable operation.
These attributes make the TPS54495PWP suitable for designers seeking robust and efficient power conversion solutions.
Equivalent
1. LM22675 by Texas Instruments
2. LTC3440 by Analog Devices
3. MIC28512 by Microchip Technology
4. MP2315 by Monolithic Power Systems
Ensure compatibility in terms of electrical characteristics and pin configuration when considering equivalents.
Features
1. Wide Input Voltage Range: Supports 4.5 V to 18 V, making it suitable for various power supply applications.
2. Output Voltage: Adjustable output from 0.8 V to 90% of the input voltage.
3. Integrated MOSFETs: Includes high- and low-side MOSFETs for efficient power conversion.
4. High Efficiency: Optimized for efficiency with synchronous rectification.
5. Fixed Switching Frequency: Operates at a 700 kHz frequency to balance efficiency and size.
6. Current Mode Control: Provides stable operation over a wide range of input voltages and load conditions.
7. Overcurrent Protection: Includes pulse-by-pulse current limiting and hiccup-mode overload protection.
8. Thermal Shutdown: Protects the device during high-temperature conditions.
9. Soft Start: Allows for controlled startup to minimize inrush current.
10. Compact Package: Available in a 20-pin HTSSOP package for space-constrained applications.
These features make it suitable for use in applications requiring compact, efficient, and reliable power management solutions.
Pinout
The key functions of the TPS54495PWP include:
1. Input Voltage Range: It typically supports a wide input voltage range, allowing it to be used in various power supply systems.
2. Output Voltage: The device can provide a regulated output voltage that is adjustable via external resistors.
3. Output Current: It can deliver up to 4.5A of output current, making it suitable for medium power applications.
4. Efficiency: It is designed for high efficiency, which is crucial for reducing power loss and heat generation.
5. Switching Frequency: The device typically operates at a programmable switching frequency, which helps in optimizing the size of external components.
6. Protection Features: It includes overcurrent protection, thermal shutdown, and undervoltage lockout to ensure reliable operation.
These features make the TPS54495PWP suitable for use in applications such as telecommunications, networking equipment, and other systems requiring efficient power regulation.