TPS5430QDDARQ1 - Brand New Texas Instruments DC Switching Regulators
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Description
The TPS5430-Q1 is a DC switching regulator that is capable of high-output current, featuring a low-resistance high-side N-channel MOSFET. This device is equipped with a high-performance voltage error amplifier, which provides tight voltage regulation accuracy under transient conditions. It also has an under-voltage lockout (UVLO) circuit, which prevents start-up until the input voltage reaches 5.5V, an internally set slow-start circuit, which limits inrush currents, and a voltage feed-forward circuit that improves the device's transient response. The TPS5430-Q1 feedback loop is internally compensated, reducing design complexity and external component count. It can regulate a wide variety of power sources with input voltage ranging from 5.5V to 36V including 24V buses. Additionally, this device comes with an active-high enable, overcurrent limiting, overvoltage protection (OVP), and thermal shutdown for system protection. The TPS5430-Q1 is available in an 8-pin SOIC PowerPADTM package, which is easy-to-use and thermally enhanced, and TI provides evaluation modules and the WEBENCH software tool to aid in power supply designs that meet aggressive equipment development cycles.
Specifications and Features
- Qualified for Automotive Applications
- Wide Input Voltage Range: 5.5V to 36V
- Up to 3-A Continuous (4-A Peak) Output Current
- High Efficiency up to 95% Enabled by 110-mΩ Integrated MOSFET Switch
- Wide Output Voltage Range: Adjustable Down to 1.22V With 1.5% Initial Accuracy
- Internal Compensation Minimizes External Parts Count
- Fixed 500-kHz Switching Frequency for Small Filter Size
- Improved Line Regulation and Transient Response by Input Voltage Feed Forward
- System Protected by Overcurrent Limiting, Overvoltage Protection, and Thermal Shutdown
- - 40°C to 125°C Operating Junction Temperature Range
- Available in Small Thermally Enhanced 8-Pin SOIC PowerPADTM Package
Application Scenarios
- Car Audio Power Supplies
- High-Power LED Supplies, Battery Chargers
- 12V and 24V Supplied Systems
Comparison
Advantages- The TPS5430-Q1 is qualified for automotive applications.
- It has a wide input voltage range of 5.5V to 36V.
- This device has an internal compensation that minimizes external parts count, reducing design complexity.
- The TPS5430-Q1 comes with a fixed 500-kHz switching frequency for small filter size.
- It has an improved line regulation and transient response by input voltage feed forward, which can enhance its stability and performance.
Disadvantages- The TPS5430-Q1 is only available in an 8-pin SOIC PowerPADTM package.
- The output current of TPS5430-Q1 is limited to 3A continuous (4A peak).
- The maximum temperature range for operating junction is only up to 125°C.
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Similar parts: 7322 , Click to view
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Datasheet
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Shopping guide
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- Datasheet: Download TPS5430QDDARQ1
- Chipdatas Part: CD94-TPS5430QDDARQ1
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/23 11:09 +0800
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