ADP3203 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADP3203
Manufacturer

ADI
ChipWorker Part#

CW543117848
Description

2-Phase IMVP-II & IMVP-III Core Controller for Mobile CPUs
Documentation

Datasheet

ADP3203 Global Supplier

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ADP3203 Specifications

Attribute	Attribute Value

Part Number	ADP3203
Manufacturer	ADI
ChipWorker Part#	CW543117848
Documentation	Datasheet
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Product Lifecycle Status	Unknown

Product Description

**GENERAL DESCRIPTION**
The ADP3203 is a 1- or 2-phase hysteretic peak current dc-to-dc buck converter controller dedicated to power a mobile processor’s core. The optimized low voltage design is powered from the 3.3 V system supply and draws only 10 µA maximum in shutdown. The nominal output voltage is set by a 5-bit VID code. To accommodate the transition time required by the newest processors for on-the-fly VID changes, the ADP3203 features high speed operation to allow a minimized inductor size that results in the fastest change of current to the output.
**FEATURES**
**Pin Selectable 1- or 2-Phase Operation**
**Static and Dynamic Current Sharing Characteristics**
**Backward Compatible to IMVP-II**
**Superior Load Transient Response with ADOPT****TM ****Optimal Positioning Technology**
**Noise Blanking for Speed and Stability**
**Synchronous Rectifier Control Extends Battery Life**
**Smooth Output Transition During VID Code Change**
**Cycle-by-Cycle Current Limiting**
**Hiccup or Latched Overload Protection**
**Transient Glitch-Free Power Good**
**Soft Start Eliminates Power-On In-Rush Current Surge**
**2-Level Overvoltage and Reverse Voltage Protection**
**APPLICATIONS**
**IMVP-II and IMVP-III Core DC-to-DC Converters**
**Fixed Voltage Mobile CPU Core DC-to-DC Converters**
**Notebook/Laptop Power Supplies**
**Programmable Output Power Supplies**

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