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TMI3344

30V, 3A Synchronous Step-Down DC/DC Converter with Adjustable Soft-start Time

数据表

TMI3344_DS_EN_V1.3

产品详细信息

特性

说明

· 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 340kHz Switching Frequency

· Stable with Low ESR Ceramic Output

· Peak Current Mode with External Compensation

· PFM in Light Load Condition

· 0.925V Voltage Reference with ±2% Accuracy  Thermal Shutdown

· Cycle-by-cycle Current Limit Protection

· Over Current Protection with Hiccup Mode

· ESOP8 Package

TMI3344 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. TMI3344 integrates main switch and synchronous switch with low R_DS(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.