Analog Devices recently introduced the ADP2323, a 20 V, 3 A, dual-output DC-DC regulator featuring conversion efficiency of greater than 93%.
The device offers an input voltage supply range of 4,5 V to 20 V and an output range as low as 0,6 V up to 18 V at 1,5% voltage accuracy. It can be configured to synchronise in an evenly phase-shifted topology or for dual-output (2 x 3 A) or single interleaved output (up to 6 A). The ADP2323 provides accurate tracking capability between supplies and includes precision-enable input, voltage tracking input and ‘power good’ features that allow a simple and reliable startup sequence.
The ADP2323’s switching frequency can be programmed between 250 kHz and 1,2 MHz or synchronised to an external clock to minimise interference in multirail applications. Both output channels run 180° out of phase and can be synchronised to eliminate beat frequencies between regulators to minimise system noise.
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