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GENERAL DESCRIPTION

The ADP3162 is a highly efficient dual output synchronous buck switching regulator controller optimized for converting a 5 V or 12 V main supply into the core supply voltage required by high-performance processors such as Tualatin. The ADP3162 uses an internal 5-bit DAC to read a voltage identification (VID) code directly from the processor, which is used to set the output voltage between 1.05 V and 1.825 V.

FEATURES

ADOPT? Optimal Positioning Technology for Superior

Load Transient Response and Fewest Output

Capacitors

Complies with VRM 8.5 with Lowest System Cost

Active Current Balancing Between Both Output Phases

5-Bit Digitally Programmable 1.05 V to 1.825 V Output

Dual Logic-Level PWM Outputs for Interface to

External High-Power Drivers

Total Output Accuracy ±0.8 Over Temperature

Current-Mode Operation

Short Circuit Protection

Power Good Output

Overvoltage Protection Crowbar Protects

Microprocessors with No Additional

External Components

APPLICATIONS

Desktop PC Power Supplies for:

Intel Tualatin Processors

VRM Modules