Manufacturer Part Number
TPS54340QDDARQ1
Manufacturer
Texas Instruments
Introduction
TPS54340QDDARQ1 is a DC-DC step-down switching regulator designed for automotive and power management applications.
Product Features and Performance
Efficient power conversion with Eco-Mode™
Adjustable output voltage
Buck topology
Split Rail capability
Single output channel
Supports input voltage range from 4.5V to 42V
Adjustable switching frequency from 100kHz to 2.5MHz
Operates at a temperature range of -40°C to 150°C
Qualifies for AEC-Q100 automotive standards
Thermal shutdown and overcurrent protection
Product Advantages
High efficiency at light loads with Eco-Mode™
Wide input voltage range suitable for various applications
High temperature operating capability
Automotive-grade reliability
Key Technical Parameters
Input Voltage (Min): 4.5V
Input Voltage (Max): 42V
Output Voltage (Min/Fixed): 0.8V
Output Voltage (Max): 41V
Current - Output: 3.5A
Switching Frequency: 100kHz ~ 2.5MHz
Operating Temperature: -40°C ~ 150°C
Synchronous Rectifier: No
Quality and Safety Features
Overcurrent protection
Thermal shutdown
AEC-Q100 automotive qualification
Compatibility
Compatible with a variety of applications requiring a buck regulator
Surface Mount 8-PowerSOIC package for PCB integration
Application Areas
Automotive electronics
Power management systems
Industrial controls
Telecommunication equipment
Product Lifecycle
Not For New Designs
Potential for future discontinuation
Check for available replacements or upgrades
Several Key Reasons to Choose This Product
Broad input voltage range suited for fluctuating inputs
Eco-Mode™ for high efficiency at light loads
Capable of withstanding harsh automotive environments
AEC-Q100 qualification attests to quality and reliability
Flexible design with adjustable output voltage and frequency settings
Supports high-temperature operation up to 150°C
Protection features ensure longevity and safety of the product in applications
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