ANALOG Manuals

The ADP3051 is a low noise, current mode, pulse width modulated (PWM) step-down converter capable of supplying over 500 mA to output voltages as low as 0.8 V. This device integrates a low resistance power switch and synchronous rectifier, providing excellent efficiency over the entire output voltage range and eliminating the need for a large and costly external rectifier.

The ADP3050 is a high voltage step-down switching regulator with features such as wide input voltage range, adjustable and fixed output options.

This document introduces the features and characteristics of ADP2503/ADP2504 600 mA/1000 mA, 2.5 MHz Buck-Boost DC-to-DC Converters.

The ADP2381 is a synchronous step-down regulator with an input voltage range of 4.5V to 20V. It features an integrated 44 mΩ high-side MOSFET, a 0.6V ± 1% temperature-stable reference voltage, a continuous output current of 6A, and programmable switching frequency. It is suitable for applications in communication infrastructure, networking and servers, industrial and instrumentation, healthcare and medical, and DC-to-DC point of load conversion.

This document describes the high voltage, low quiescent current buck regulator, ADP2370/ADP2371. The product features an input voltage range of 3.2V to 15V and an output current of 800mA. It has a quiescent current of less than 14µA in power saving mode (PSM). The features include >90% efficiency, a force PWM pin (SYNC), a 600kHz/1.2MHz frequency pin (FSEL), fixed outputs of 0.8V, 1.2V, 1.5V, 1.8V, 2.5V, 3.0V, 3.3V, 5V, and an adjustable option, among others.

The ADP2325 is a full featured dual 5 A, 20 V synchronous step-down regulator with integrated high-side MOSFET, flexible output configuration, programmable switching frequency, external synchronization input, selectable PWM or PFM mode operation, adjustable current limit, external compensation and soft start. It is widely used in communications infrastructure, networking and servers, industrial and instrumentation, healthcare and medical, intermediate power rail conversion and more.

The ADP2138 and ADP2139 are high efficiency, low quiescent current, synchronous step-down dc-to-dc converters. The A

The ADP2126/ADP2127 is a data sheet for ultralow profile, 500mA, 6MHz, synchronous step-down DC-to-DC converters. It features 1.20V and 1.26V fixed output voltage options, 6MHz operating frequency, and 500mA continuous output current.

The ADP2121 is a high frequency, 6 MHz, synchronous step-down DC-DC converter. It features high efficiency, low power consumption, small size and low cost.

ADP2118 is a high efficiency synchronous step-down DC-to-DC regulator with a continuous output current of 3A. It integrates 75mΩ and 40mΩ FETs, with an output accuracy of ±1.5%. The input voltage range is from 2.3V to 5.5V, and the output voltage range is from 0.6V to VIN. It has a selectable fixed switching frequency of 600kHz or 1.2MHz, and can be synchronized between 600kHz and 1.4MHz. It also has selectable synchronize phase shift of 0° or 180°, selectable PWM or PFM mode operation, and various protection features such as UVLO, OVP, OCP, and thermal shutdown.

The ADP2109 is a high efficiency, low quiescent current step-down DC-DC converter with an internal discharge switch function. It features peak efficiency, fixed frequency operation, and low quiescent current.

This document describes the features of ADP2108, a high efficiency, low quiescent current step-down DC-to-DC converter. It has a peak efficiency of 95%, a fixed frequency operation of 3 MHz, a typical quiescent current of 18 μA, and a maximum load current of 600 mA. The converter is suitable for applications such as PDAs, palmtop computers, wireless handsets, digital audio, portable media players, digital cameras, and GPS navigation units.

The ADP2105/ADP2106/ADP2107 are high efficiency, low quiescent current, synchronous step-down DC-DC converters. Its input voltage range is 2.7V to 5.5V, output voltage range is 0.8V to VIN, the maximum load current is ADP2105:1A, ADP2106:1.5A, ADP2107:2A, the switching frequency is 1.2MHz.

The ADP2102 is a low-power, low-standby-current synchronous step-down converter that features internal synchronous rectification, internal soft-start and internal compensation. The ADP2102 is available in a 3mm × 3mm LFCSP package and has a maximum load current of 600mA and a typical operating frequency of 3MHz.

The ADP1610 is a dc-to-dc step-up switching converter with an integrated 1.2 A, 0.2 Ω power switch capable of providing an output voltage as high as 12 V. With a package height of less than 1.1 mm, the ADP1610 is optimal for space-constrained applications such as portable devices or thin film transistor (TFT) liquid crystal displays (LCDs).