ANALOG Manuals

ADP2138/ADP2139 are high efficiency, low quiescent current, synchronous step-down dc-to-dc converters. The ADP2139 has the additional feature of an internal synchronous rectifier, which enables 100% duty cycle low dropout operation.

The ADP2126/ADP2127 is an ultra-low profile, 500 mA, 6 MHz, synchronous, step-down, DC-to-DC converter from Analog Devices.

The ADP2121 is a high frequency synchronous step-down DC-DC converter with 92% peak efficiency, 6 MHz operating frequency, 38 μA (typical) no load quiescent current in PFM mode, fixed output voltages of 1.80 V, 1.82 V, 1.85V, 1.875V, and continuous output current of 500 mA. It accepts input voltages from 2.3 V to 5.5 V and features various protections and an ultra small size. Suitable for applications such as mobile phones, digital cameras, digital audio, and portable equipment.

This document describes the features and characteristics of ADP2119/ADP2120 synchronous step-down DC-to-DC regulators, including continuous output current, integrated MOSFETs, input voltage range, output voltage range, output accuracy, fixed switching frequency, synchronizable frequency range, operating modes, and power management functions.

The ADP2108 is a high efficiency, low quiescent current step-down dc-to-dc converter in an ultrasmall 5-ball WLCSP package. It operates at a fixed frequency of 3MHz, has an input voltage range of 2.3V to 5.5V, and a maximum output current of 600mA.

ADI ADP2108 is a 600mA 3MHz DC-DC converter suitable for input voltage range of 1.0V to 3.3V. It features low quiescent current and high efficiency, making it suitable for applications such as PDA and GPS.

The ADP2105/ADP2106/ADP2107 are low quiescent current, synchronous, step-down dc-to-dc converters. It features extremely high efficiency, ultralow quiescent current, 1.2MHz switching frequency, 0.1µA shutdown supply current, maximum load current ADP2105: 1A, ADP2106: 1.5A, ADP2107: 2A, input voltage 2.7V to 5.5V, output voltage 0.8V to VIN, maximum duty cycle 100%, smooth transition to low dropout (LDO) mode, internal synchronous rectifier, small 16-lead 4mm x 4mm LFCSP_VQ package, optimized for small ceramic output capacitors, enable/shutdown logic input, undervoltage lockout, soft start

The ADP2102 is a synchronous step-down DC-to-DC converter with features such as low duty cycle, maximum 600 mA load current, 95% efficiency, etc.

ADP1612/ADP1613 is a 650kHz / 1.3MHz step-up PWM DC-to-DC switching converter. It features adjustable output voltage, minimum input voltage, current limit, soft start, undervoltage lockout, thermal shutdown, etc.

This document is about the technical data of ADP1612. ADP1612 is a step-up dc-to-dc switching converter with an integrated 1.5 A, 0.15 Ω power switch capable of providing an output voltage as high as 20 V. It is suitable for space-constrained applications such as portable devices or thin film transistor (TFT) liquid crystal displays (LCDs).

The ADP1611 is a step-up dc-to-dc switching converter with an integrated 1.2 A, 0.23 Ω power switch capable of providing an output voltage as high as 20 V. With a package height of less than 1.1 mm, the ADP1611 is optimal for space-constrained applications such as portable devices or thin film transistor (TFT) liquid crystal displays (LCDs). The ADP1611 operates in pulse-width modulation (PWM) current mode with up to 1.2 MHz frequency.

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).

The ADP1111 is a micropower step-up/step-down SW regulator from Analog Devices; Adjustable and Fixed 3.3 V, 5 V, 12 V.

This document describes the ADR440/ADR441/ADR443/ADR444/ADR445, which are ultralow noise, LDO XFET voltage references with current sink and source. They have ultralow noise and temperature coefficient, making them suitable for precision data acquisition systems, high resolution data converters, battery-powered instrumentation, industrial process control systems, and more.