ANALOG Manuals

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

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

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 ADD8754 is a step-up switching regulator with a 2A power switch. It has adjustable output voltage and a logic voltage regulator. It also includes a VCOM amplifier and gate pulse modulation circuitry.

ADP1621 is a programmable, high efficiency, low power step-up DC/DC controller that supports external NPN or resistor for high input voltage supply.

The ADP1821 is a versatile and inexpensive, fixed-frequency step-down DC-to-DC controller from Analog Devices. It features a wide input voltage range of 1 V to 24 V, a wide output voltage range of 0.6 V to 85% of input voltage, a 1% accuracy, 0.6 V reference voltage, all N-channel MOSFET design for low cost, no current sense resistor required, power-good output, programmable soft start with reverse current protection, soft start, thermal overload, current-limit protection, undervoltage lockout, and 10 μA shutdown supply current.

The ADP1823 is a dual, interleaved, step-down DC-to-DC controller with tracking function from Analog Devices.

The ADP1828 is a synchronous buck PWM DC-DC converter from American ADI company. Its input voltage range is 1V~24V, output voltage range is 0.6V~85%, and the accuracy is ±0.85%. It has an integrated linear regulator and can implement soft start and thermal overload protection.

ADP1829 is a dual, interleaved, step-down DC-DC controller with tracking capability. It features fixed frequency operation, wide input voltage range, all-N-channel MOSFET design, soft start, thermal overload, and current-limit protection.

The ADP1850 is a wide input, dual/two-phase, DC-to-DC synchronous buck controller that provides up to 90% output voltage, 25 A/channel output current, and 180° phase shift circuit for reduced input capacitance.

This data sheet describes the features of the ADP1877 dual output synchronous buck PWM controller. The controller has an input voltage range of 2.75 V to 14.5 V, an output voltage range of 0.6 V to 90% VIN, a maximum output current of more than 25 A per channel, a programmable frequency of 200 kHz to 1.5 MHz, a Flex-Mode architecture with integrated drivers, a 180° phase shift that minimizes input ripple current and required input capacitance, ±0.85% output voltage accuracy, a temperature range of -40°C to +85°C, integrated boost diodes, a light load pulse skip high efficiency mode, power good with an internal pull-up resistor, overvoltage and overcurrent limit protection, thermal overload protection, input undervoltage lockout (UVLO), externally adjustable soft start, slope compensation and current sense gain, independent precision enable inputs, a synchronization input, and a suitable for any output capacitor 32-lead 5 mm×5 mm package.

This is a datasheet for ADP1878/ADP1879 chip. It is a synchronous buck controller with constant on time and valley current mode. It supports 2.95V to 20V power input voltage range, minimum output voltage of 0.6V. The chip has ±1.0% accuracy, supports all N-channel MOSFET power stages. It provides 300kHz, 600kHz and 1.0MHz options, no current sense resistor required. It has light load power saving mode (only ADP1879), resistor programmable current limit, internal pull-up resistor power good, programmable soft start, thermal overload protection, short circuit protection, standalone precision enable input, integrated bootstrap diode, precharged output and 14-lead LFCSP_WD package.