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ADP3189

Part Number	ADP3189
Manufacturer	Analog Devices
Description	Synchronous Buck Controller
Published	Nov 8, 2005
Detailed Description	8-Bit Programmable 2- to 5-Phase Synchronous Buck Controller ADP3189 FEATURES Selectable 2-, 3-, 4-, or 5-phase operatio...
Datasheet	ADP3189 PDF File

Overview

8-Bit Programmable 2- to 5-Phase Synchronous Buck Controller ADP3189 FEATURES Selectable 2-, 3-, 4-, or 5-phase operation at up to 1 MHz per phase ±7.
7 mV worst-case differential sensing error over temperature Logic-level PWM outputs for interface to external high-power drivers Active current balancing between all output phases Built-in power good/crowbar blanking supports on-the-fly VID code changes Digitally programmable 0.
5 V to 1.
6 V output— supports both VR10.
x and VR11 specifications Programmable short-circuit protection with programmable latch-off delay This device uses a multi-mode PWM architecture to drive the logic-level outputs at a programmable switching frequency that can be op...

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