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IC REG BUCK ADJUSTABLE 4A 10VSON
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FabricantTexas Instruments
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Pièce fabricant #TPS54428DRCR
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Package VSON-10
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En stock4747
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | D-CAP2™, Eco-Mode™ |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 18V |
| Voltage - Output (Min/Fixed) | 0.76V |
| Voltage - Output (Max) | 7V |
| Current - Output | 4A |
| Frequency - Switching | 650kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Présentation
Description
Key features include a fixed switching frequency, typically around 700 kHz, which helps in reducing external component size and improving efficiency. The TPS54428DRCR also incorporates advanced protection features like overcurrent protection, thermal shutdown, and undervoltage lockout to enhance reliability. It features an adjustable output voltage through an external resistor divider and supports a soft-start function to limit inrush current during startup.
The package type for this component is VSON (DRC), which is compact, making it ideal for space-constrained applications. Overall, the TPS54428DRCR is a versatile solution for efficient power conversion in various electronic devices.
Equivalent
1. LM2596 – National Semiconductor/Texas Instruments, with a similar output range and efficiency.
2. MP1584 – Monolithic Power Systems, a compact buck converter.
3. LM2675 – Texas Instruments, another step-down regulator option.
4. LT8609S – Analog Devices, for applications needing similar input/output specifications.
Always verify specific electrical characteristics and pin configurations before substituting components.
Features
1. Input Voltage Range: Operates efficiently over an input voltage range of 4.5V to 18V.
2. Output Current: Capable of delivering up to 4A of continuous output current.
3. Efficiency: High efficiency through the use of a synchronous design with integrated MOSFETs.
4. Adjustable Output Voltage: Supports output voltages as low as 0.76V, adjustable via an external resistor divider.
5. Switching Frequency: Typically operates at a fixed switching frequency of 700 kHz.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for enhanced reliability.
7. Compensation: Features internal loop compensation, simplifying design.
8. Package: Available in a small 10-pin VSON package.
9. Soft Start: Incorporates an adjustable soft-start feature to limit inrush current during startup.
10. Applications: Suitable for use in applications like set-top boxes, networking equipment, and LCD displays.
These features make it a versatile and reliable choice for various power management applications.
Pinout
Key functions of the TPS54428DRCR include:
1. Input Voltage Range: It supports a wide input voltage range, typically from 4.5V to 18V.
2. Output Current: Can deliver up to 4A of continuous output current.
3. Frequency: Operates at a fixed switching frequency of 700 kHz, which helps in minimizing output ripple and allows the use of smaller external components.
4. Efficiency: Features high efficiency due to its synchronous rectification.
5. Protection Features: Includes protection mechanisms such as undervoltage lockout, cycle-by-cycle current limit, and thermal shutdown.
This concise overview captures the essential details about the TPS54428DRCR's pin count and functionality while adhering to your word limit requirement.
Manufacturer
Application
1. Consumer Electronics: Used in devices like set-top boxes, televisions, and gaming consoles for power management.
2. Telecommunications: Provides stable power for networking equipment, such as routers and switches.
3. Industrial Equipment: Used in automation systems and control equipment for reliable power delivery.
4. Computing Systems: Powers components in desktops, laptops, and servers.
5. Automotive: Suitable for infotainment systems and other electronic modules in vehicles.
Its compact size and high efficiency make it ideal for applications where space and power efficiency are critical.