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Description:Precision Dual Voltage Regulator Controller
Manufacturer:Analog Devices
Datasheet:PDF (164K).
Click here to download *)

The ADM1052 is a dual, precision, voltage regulator controller intended for power rail generation and active bus termination on personal computer motherboards. It contains a precision 1.2 V bandgap reference and two channels consisting of control amplifiers driving external power devices. Each channel has a shutdown input to turn off amplifier output and "Hiccup Mode" protection circuitry for the external power device. The ADM1052 operates from a 12 V supply. This gives sufficient headroom for the amplifiers to drive external N-channel MOSFETs, operating as source-followers, as the external series pass devices. This has the advantage that N-channel devices are cheaper than P-channel devices of similar performance, and the circuit is easier to stabilize than one using P-channel devices in a common-source configuration.

Click here to download ADM1052 Datasheet
Click here to download ADM1052 Datasheet
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