Analog Devices Manuals

The document introduces the features and characteristics of the ADP3163, a 5-bit programmable 2-/3-phase synchronous buck controller. It features ADOPT™ Optimal Positioning Technology for superior load transient response and fewest output capacitors. It complies with VRM 9.0 and Intel VR Down guidelines with the lowest system cost. It supports digitally selectable 2- or 3-phase operation at up to 500 kHz per phase. It provides quad logic-level PWM outputs for interface to external high-power drivers. It enables active current balancing between all output phases and accurate multiple VRM module current sharing. It has a 5-bit digitally programmable 1.1 V to 1.85 V output and a total output accuracy of ±0.8% over temperature. It operates in current-mode and includes short circuit protection and enhanced power good output to detect open outputs in multi-VRM power systems. It also has overvoltage protection.

The ADP3162 is a highly efficient dual output synchronous buck controller that uses ADOPT™ optimized positioning technology to achieve superior load transient response and the least output capacitors. The ADP3162 complies with VRM 8.5 with the lowest system cost. ADP3162 adopts active current balancing technology to achieve current balancing between two output phases, and provides 5-bit digitally programmable 1.05 V to 1.825 V output and dual logic level PWM outputs for interface to external high-power drivers. The ADP3162 has a total output accuracy of ±0.8% (over temperature), supports current mode operation, provides short circuit protection, power good output, overvoltage protection and undervoltage protection, and does not require other external components to protect the microprocessor.

ADP3160/ADP3167 is a high efficient dual output synchronous buck switching regulator with ADOPT™ optimal positioning technology for superior load transient response and minimum output capacitors. ADP3160/ADP3167 comply with VRM 9.0 standard with lowest system cost. ADP3160/ADP3167 adopt 5-bit digitally programmable 1.1 V to 1.85 V output, dual logic level PWM outputs for interface to external high power drivers. ADP3160/ADP3167 has 0.8% within temperature range total output accuracy, current mode operation, short circuit protection, power good output, overvoltage protection, and protects the microprocessors without any other external components.

ADP3159/ADP3179 are highly efficient 4-bit programmable synchronous buck controllers with optimized load transient response and compliance with VRM 8.4 specifications. They also feature 1.3V to 2.05V output, two on-board linear regulator controllers, and high-efficiency current-mode operation.

ADP3158/ADP3178 is a 4-bit digitally programmable 1.3 V to 2.05 V output N-channel synchronous buck driver with total accuracy �0.8% Over Temperature. Two On-Board Linear Regulator Controllers Designed to Meet System Power Sequencing Requirements.

This manual introduces the ADP3157 5-bit programmable synchronous controller, which supports the Pentium® III processor VRM8.2, VRM8.3 and VRM8.4 standards, and can achieve 1.3~3.5 V output, with high efficiency, high precision, short circuit protection, overvoltage protection and other features.

The ADP3156 is a highly efficient synchronous buck switching regulator with single supply control, available in fixed 1.5V, 1.8V and 2.5V output versions.

The ADP3155 is a highly efficient synchronous buck switching regulator controller, supporting 5-bit digitally programmable 1.3 V to 3.5 V output, dual N-channel synchronous driver, two onboard linear regulator controllers, total output accuracy≤1%

This document describes the features and characteristics of Analog Devices' ADP3154 product. The ADP3154 is a 5-bit programmable dual power supply controller for Pentium® III processors. It features active voltage positioning with gain and offset adjustment, providing superior load transient response. The product is compliant with VRM 8.2, VRM 8.3, and VRM 8.4 standards and offers a programmable output voltage range of 1.3V to 3.5V. It operates with high efficiency in current-mode and includes short circuit protection, overvoltage protection, and other features. The ADP3154 also includes a Power Good output and an onboard linear regulator controller.

The ADP3153 is a 5-bit programmable dual power supply controller optimized for Pentium II and Deschutes Processor applications. It steps down 5V to a digitally controlled output voltage between 1.8V and 3.5V using a 5-bit DAC to read a voltage identification (VID) signal.

The ADP3152 is a highly efficient synchronous switching regulator controller optimized for Pentium II Processor applications where 5 V is stepped down to a digitally controlled output voltage between 1.8 V and 3.5 V. Using a 5-bit DAC to read a voltage identification (VID) code directly from the processor, the ADP3152 uses a current mode constant off-time architecture to generate its precise output voltage.

The ADP3118 is a dual high voltage MOSFET driver optimized for driving two N-channel MOSFETs, which are the two switches in a nonisolated synchronous buck power converter. Each of the drivers is capable of driving a 3000 pF load with a 25 ns propagation delay and a 25 ns transition time. One of the drivers can be bootstrapped and is designed to handle the high voltage slew rate associated with the high output voltage.

The ADP3110 is a dual high voltage MOSFET driver optimized for driving two N-channel MOSFETs, which are the two switches in a nonisolated synchronous buck power converter. Each of the drivers is capable of driving a 3000 pF load with a 25 ns propagation delay and a 30 ns transition time. One of the drivers can be bootstrapped and is designed to handle the high voltage slew rate associated with floating high-side gate drivers.

ADP3088 is a high-frequency, non-synchronous PWM step-down DC-DC regulator with an integrated 1A power switch in a space-saving MSOP8 package. It provides high efficiency, excellent dynamic response, and is very simple to use. The ADP3088’s 1MHz switching frequency allows for small, inexpensive external components, and the 1A output current makes it ideal for portable computers and other digital products.

ADP3050 is a high-voltage step-down switching regulator with 200 kHz switching frequency, adjustable and fixed (3.3 V, 5 V) output options, integrated 1 A power switch, and uses small surface-mount components.