Manufacturer Part Number
TPS40074RHLR
Manufacturer
Texas Instruments
Introduction
TPS40074RHLR is a step-down (buck) switching controller designed for power management in various electronic devices. It comes in a small 20-VFQFN exposed pad package.
Product Features and Performance
Supports step-down (buck) topology
Positive output configuration
Maximum of 95% duty cycle
Synchronous rectifier for increased efficiency
Clock synchronization capability
Wide input voltage range from 4.5V to 28V
Can switch frequencies up to 1MHz
Product Advantages
High efficiency with synchronous rectification
Flexible clock synchronization supports system optimization
Soft start and power good features for stable operation
Current limit and frequency control for enhanced performance
Key Technical Parameters
Output Type: Transistor Driver
Number of Outputs: 1
Output Phases: 1
Voltage Supply (Vcc/Vdd): 4.5V ~ 28V
Frequency Switching: Up to 1MHz
Duty Cycle (Max): 95%
Operating Temperature: -40°C ~ 85°C (TA)
Quality and Safety Features
Built-in current limit and soft start functions to prevent damage during abnormal conditions
Tested for operation in extreme temperatures ranging from -40°C to 85°C
Compatibility
Compatible with various surface mount technologies due to its VFQFN exposed pad mounting style
Application Areas
Suitable for use in telecommunications, computing, and industrial electronic systems where efficient power management is required
Product Lifecycle
Product Status: Last Time Buy
Indicates that the product is near its discontinuation, but replacements or upgrades might be available.
Several Key Reasons to Choose This Product
High-frequency switching capability allows for smaller external components
Operation at high duty cycles up to 95% for efficient power use
Incorporates features like soft start and power good for reliable startup and operation
Supports a wide input voltage range convenient for various application requirements
Synchronous rectification feature ensures high efficiency
