TPS5430DDAR
TPS5430DDAR Introduction
TPS5430DDAR is a step-down (buck) DC-DC converter from Texas Instruments, designed to efficiently convert a higher input voltage to a lower, regulated output voltage. It is typically used in applications where space, power efficiency, and low heat dissipation are important.
Application of TPS5430DDAR :
Power Supply for Microcontrollers: Providing a stable voltage for embedded systems or microcontroller-based applications.
Automotive Systems: Powering sensors, controllers, and communication modules in vehicles.
Battery-Powered Systems: Ideal for applications requiring efficient power conversion to extend battery life.
Industrial Equipment: Suitable for various industrial control systems that need reliable power regulation.
Portable Devices: Used in portable devices requiring compact size and high-efficiency power conversion.
TPS5430DDAR Parameters
TPS5430DDAR Similar Prodcuts Comparison
TPS5430DDAR vs TPS5431DDA vs LM22676MR-ADJ/NOPB vs LM22676MRE-ADJ/NOPB vs LV5980MC-AH Comparison
| Parameter | TPS5430DDAR | TPS5431DDA | LM22676MR-ADJ/NOPB | LM22676MRE-ADJ/NOPB | LV5980MC-AH |
|---|---|---|---|---|---|
| Image |  |  |  |  |  |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Onsemi |
| Type | Buck Converter (Step-Down DC-DC) | Buck Converter (Step-Down DC-DC) | Buck Converter (Step-Down DC-DC) | Buck Converter (Step-Down DC-DC) | Buck Converter (Step-Down DC-DC) |
| Input Voltage Range | 4.5V to 36V | 4.5V to 60V | 4.5V to 75V | 4.5V to 75V | 4.5V to 40V |
| Output Voltage | Adjustable (0.8V to 14V) | Adjustable (0.8V to 14V) | Adjustable (0.8V to 15V) | Adjustable (0.8V to 15V) | Adjustable (0.8V to 15V) |
| Output Current | Up to 3A | Up to 3A | Up to 3A | Up to 3A | Up to 5A |
| Switching Frequency | 340kHz to 1.5MHz (Adjustable) | 180kHz to 1MHz (Adjustable) | 200kHz to 1MHz (Adjustable) | 200kHz to 1MHz (Adjustable) | 200kHz to 2.2MHz (Adjustable) |
| Efficiency | Up to 96% | Up to 95% | Up to 95% | Up to 95% | Up to 96% |
| Integrated Features | Integrated MOSFETs, internal compensation | Integrated MOSFETs, internal compensation | Integrated MOSFETs, internal compensation | Integrated MOSFETs, internal compensation | Integrated MOSFETs, internal compensation |
| Protection Features | Overcurrent, overvoltage, thermal shutdown | Overcurrent, overvoltage, thermal shutdown | Overcurrent, overvoltage, thermal shutdown | Overcurrent, overvoltage, thermal shutdown | Overcurrent, overvoltage, thermal shutdown |
| Package Type | VQFN-16 | SOIC-8 | SOIC-8 | SOIC-8 | QFN-16 |
| Operating Temperature Range | -40°C to 125°C | -40°C to 125°C | -40°C to 125°C | -40°C to 125°C | -40°C to 125°C |
| Enable Pin | Yes | Yes | Yes | Yes | Yes |
| Power Good Pin | Yes | Yes | Yes | Yes | Yes |
TPS5430DDAR Datasheet PDF
Download datasheets and manufacturer documentation for TPS5430DDAR .
FAQs about TPS5430DDAR
1. What is the maximum input voltage of the TPS5430DDAR?
The input voltage range of the TPS5430DDAR is 5.5V to 36V. This means that it can work normally under a wide range of input voltage conditions, suitable for various power system applications.
2. What is the maximum output current of the TPS5430DDAR?
The TPS5430DDAR is capable of providing a continuous output current of 3A. For some high-load applications, this current value is sufficient to provide stable power supply.
3. How does the TPS5430DDAR ensure stable operation under high-load conditions?
The device has multiple protection functions, including over-current protection (OCP), over-temperature protection (OTP), and under-voltage lockout (UVLO). These features ensure that the system is protected under high load and abnormal operating conditions.
4. How efficient is the TPS5430DDAR?
The device can typically achieve over 90% efficiency, depending on load conditions and input voltage. This high efficiency makes it ideal for power applications.
5. Does the TPS5430DDAR have a soft start function?
Yes, the TPS5430DDAR has a built-in soft start function. At startup, it protects the load by limiting the initial current and preventing a sudden increase in current.
6. What is the switching frequency of TPS5430DDAR?
The switching frequency of the TPS5430DDAR is 500kHz, which allows smaller external components and improves the power density and efficiency of the overall system.
7. What are the typical applications of the TPS5430DDAR?
The TPS5430DDAR is suitable for a variety of application scenarios, including but not limited to:
Industrial automation equipment
Automotive electronic systems
Distributed power systems
Communication equipment power supply
Consumer electronic devices
8. How to deal with the heat dissipation of the TPS5430DDAR?
The TPS5430DDAR generates some heat while working efficiently. Good PCB layout, proper heat dissipation copper design, and sufficient airflow can help optimize heat dissipation and prevent overheating. It also has built-in overheat protection to ensure that the device will not be damaged by high temperature.
9. How to determine the output voltage of the TPS5430DDAR?
The TPS5430DDAR sets the output voltage through an external resistor divider. Depending on the selected resistor value, different output voltages can be set. When designing, choose the appropriate resistor value according to the load requirements.
Texas Instruments
In Stock : 8802