ANALOG Manuals

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.

The ADP3041 TFT LCD Panel Power Module is a fixed frequency, PWM step-up dc-to-dc switching regulator with five buffers capable of 12 V boosted output voltage in a TSSOP 20-lead package. It provides high efficiency, low noise operation, and excellent dynamic response, and is easy to use. The high switching frequency allows for small, cost-saving, external components.

The ADP3026 is a high-efficiency notebook computer power supply controller with a wide input voltage range (6.5 V to 25 V) and up to 96% conversion efficiency.

The ADP3025 is a highly efficient, dual synchronous buck switching regulator controller optimized for wide input voltage range, high conversion efficiency, low shutdown current, and low cost, making it suitable for a wide range of applications, including portable instruments and general-purpose DC/DC converters.

ADP3020 is a high-efficiency notebook computer power supply controller with features such as wide input voltage range, integrated current sense, and low shutdown current. It includes dual synchronous buck controllers, integrated linear regulator controller, and various circuit protection functions.

The ADP3000 is a versatile step-up/step-down switching regulator that operates from an input supply voltage of 2 V to 12 V in step-up mode and up to 30 V in step-down mode. It features a low battery detector, user adjustable current limit, fixed and adjustable output voltage.

ADP2291 is a constant-current/constant-voltage linear charger for a single cell lithium ion battery

This document introduces the features of ADP2105/ADP2106/ADP2107, including up to 97% conversion efficiency, 20μA quiescent current, 1.2MHz switching frequency, 0.1μA shutdown current, 1A, 1.5A and 2A maximum load current, 2.7V to 5.5V input voltage, 0.8V to VIN output voltage, 100% maximum duty cycle, smooth transition to low dropout (LDO) mode, internal synchronous rectifier, small 16-lead 4mm×4mmLFCSP_VQ package, optimized for small ceramic output capacitors, enable/shutdown logic input, undervoltage lockout and soft start.