TPS56528 is a 4.5V to 18V Input, 5-A Synchronous Step-Down Converter with Advanced Eco-mode™

This post sponsored by Texas Instruments.

The TPS56528 is an adaptive on-time D-CAP2 mode synchronous buck converter.

The TPS56528 enables system designers to complete the suite of various end-equipment power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS56528 uses the D-CAP2 mode control that provides a fast transient response with no external compensation components. The adaptive on-time control supports seamless transition between PWM mode at higher load conditions and advanced Eco-mode™ operation at light loads. Advanced Eco-mode™ allows the TPS56528 to maintain high efficiency during lighter load conditions.

The TPS56528 also has a proprietary circuit that enables the device to adapt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 4.5-V to 18-V VIN input and the output voltage can be programmed between 0.6 V and 7 V. Also worth noting – the device features a fixed 1.0 msec soft start time and power good output.

The TPS56528 is available in the 8-pin DDA package, and designed to operate from –40°C to 85°C.

By: Rachel Kalina

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For detailed information about the tool mentioned above, click here.
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To download a datasheet, click here.

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