TPS54426PWPR Datasheet

4.5V to 18V Input, 4-A Synchronous Step-Down SWIFT? Converter with Eco-Mode?


The TPS54426 is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54426 enables system designers to complete the suite of various end equipment’s power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54426 uses the D-CAP2™ mode control which provides a very fast transient response with no external compensation components.

• D-CAP2™ Mode Enables Fast Transient Response
• Low Output Ripple and Allows Ceramic Output Capacitor
• Wide VIN Input Voltage Range: 4.5 V to 18 V
• Output Voltage Range: 0.76 V to 5.5 V
• Highly Efficient Integrated FET’ s Optimized for Lower Duty Cycle Applications
– 65 mΩ (High Side) and 55 mΩ (Low Side)
• High Efficiency, less than 10 μA at shutdown
• High Initial Bandgap Reference Accuracy
• Adjustable Soft Start
• Pre-Biased Soft Start
• 700-kHz Switching Frequency (fSW)
• Cycle By Cycle Over Current Limit
• Power Good Output
• Auto-Skip Eco-mode™ for High Efficiency at Light Load

• Wide Range of Applications for Low Voltage System
– Digital TV Power Supply
– High Definition Blu-ray Disc™ Players
– Networking Home Terminal
– Digital Set Top Box (STB)



Manufacturer information


Texas Instruments introduction - Texas Instruments Incorporated (TI) is a global semiconductor design and manufacturing company that develops analog ICs and embedded processors. By employing the world's brightest minds, TI creates innovations that shape the future of technology. TI is helping more than 100,000 customers transform the future, today.

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