This document describes the features and characteristics of the ADP1870/ADP1871 products, including the power supply input voltage range, minimum output voltage, and precision reference voltage source. The product supports multiple frequency options, does not require current sensing resistors, and can operate in power-saving mode under light load conditions. It also features thermal overload protection and short circuit protection, making it suitable for applications in telecommunications and network systems, servers, set-top boxes, and more.
The document describes the ADP1870/ADP1871 as multifunctional current-mode synchronous buck controllers featuring constant on-time operation and valley-current mode control. These devices support input voltages from 2.95 V to 20 V and can drive all N-channel MOSFETs to regulate output voltages down to 0.6 V. This manual is written in Chinese.
The device operates with a power input voltage range of 2.95 V to 20 V.
The device operates within a junction temperature range of -40°C to +125°C.
The thermal resistance is 213.1°C/W for a two-layer board.