· High Efficiency: Up to 95%@12V to 5V
· Wide input voltage: 4.5V ~ 30V
· Up to 3A Output Current
· Low Typical 3μA Shutdown Current
· Adjustable Soft-Start Time
· Fixed 570kHz Switching Frequency
· Stable with Low ESR Ceramic Output
· Peak Current Mode with External Compensation
· PFM in Light Load Condition
· 0.8V Voltage Reference with ±2% Accuracy
· Thermal Shutdown
· Cycle-by-cycle Current Limit Protection
· Over Current Protection with Hiccup Mode
· ESOP8 Package
TMI33431E is a wide input voltage of 4.5V to 30V, high efficiency current mode, synchronous step-down DC/DC converter capable of delivering 3A current with adjustable soft-start time. TMI33431E integrates main switch and synchronous switch with low RDS(on) to minimize the conduction loss.
The device integrates 120mΩ High-Side and 80mΩ Low-side Power MOS, and has advanced features include UVLO, Thermal Shutdown, Soft Start, input OVP.
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