Manufacturer Part Number
LMR34206SC3QRNXTQ1
Manufacturer
Texas Instruments
Introduction
Automotive-grade step-down voltage regulator
Product Features and Performance
Fixed output voltage of 3.3V
Single output channel
Buck topology for efficient step-down conversion
Synchronous rectification for improved efficiency
Switching frequency of 2.1MHz
Operates across wide input voltage range from 4.2V to 42V
Output current capacity of 600mA
Suitable for operating in temperatures ranging from -40°C to 125°C
Wettable flank surface mount package for reliable soldering
Integrated safety features
Product Advantages
Efficiency optimized for battery-powered applications
Compact design suitable for space-constrained applications
Automotive qualification AEC-Q100 ensures reliability in automotive environments
High switching frequency allows the use of smaller passive components, reducing overall footprint
Key Technical Parameters
Input voltage range: 4.2V to 42V
Output voltage: 3.3V fixed
Output current: 600mA
Switching frequency: 2.1MHz
Operating temperature range: -40°C to 125°C
Quality and Safety Features
AEC-Q100 qualified for automotive applications
Thermal shutdown
Overcurrent protection
Undervoltage lockout (UVLO)
Compatibility
Compatible with standard 12-VFQFN footprint
Surface mount, wettable flank package for enhanced SMD solderability
Application Areas
Automotive electronics
Power supplies for microcontrollers and sensors
Industrial control systems
Consumer electronics
Product Lifecycle
Currently Active
Not reported as nearing discontinuation
Availability of support and potential upgrades should be checked with manufacturer
Several Key Reasons to Choose This Product
Qualified for automotive standards with AEC-Q100 certification
Highly efficient synchronous buck conversion minimizes power loss
Compact QFN package ideal for limited space applications
High frequency operation for smaller external components and minimal interference
Extended operating temperature range catering to harsh environments
Built-in protection features for robust performance in automotive setups
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