Precision Voltage Regulator Controller

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Replacement Parts

Rochester Electronics is the only authorized source of Analog Devices' products that have previously been discontinued or have become obsolete. Product availability should be checked directly with Rochester Electronics.

Product Details

The ADP3310 is a precision voltage regulator controller that can be used with an external Power PMOS device such as the NDP6020P to form a two chip low dropout linear regulator. The low quiescent current (800 µA) and the Enable feature make this device especially suitable for battery powered systems. The dropout voltage at 1 A is only 70 mV when used with the NDP6020P, allowing operation with minimal headroom and prolonging battery useful life. The ADP3310 can drive a wide range of currents, depending on the external PMOS device used.

Additional features of this device include: high accuracy (±1.5%) over line, load and temperature, gate-to-source voltage clamp to protect the external MOSFET and foldback current limit. A current limit threshold voltage of 50 mV (typ) allows 50 mW of board metal trace resistance to provide a 1 A current limit. The ADP3310 operates from a wide input voltage range from 2.5 V to 15 V and is available in a small SO-8 package.