By combining a unique architecture specifically tuned for fast transient response with a high switching frequency, AnalogicTech’s AAT1130 step-down converter allows designers to both support rising performance requirements and reduce solution size by using compact, low profile inductors.
The device is a 500 mA monolithic step-down converter operating across a 2,7 V to 5,5 V input range with low quiescent current of 60 μA and delivering an output between 0,6 V and 1,8 V. Internal MOSFET switches allow the converter to support efficiency rates up to 92% over a wide load range.
With a programmed output voltage of 1,2 V, the AAT1130 can handle severe load transients from 10 mA to 500 mA and still maintain output voltage accuracy within ±p5%. It is available with either fixed or adjustable output regulation voltage options. In the adjustable configuration, output voltage is set with an external resistor voltage divider circuit.
To manage output voltage overshoot, the chip features internal soft start and also includes over-temperature and current limit protection circuits.
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