ADP1875 Datasheet Synchronous Buck Controller

Manufacturer: Analog Devices

Overview: Data Sheet Synchronous Buck Controller with Constant On-Time and Valley Current Mode.

Download the ADP1875 datasheet PDF. This datasheet also includes the ADP1874 variant, as both parts are published together in a single manufacturer document.

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ADP1875 synchronous buck controller by Analog Devices - Datasheet Preview

Datasheet Details

Part number	ADP1875
Manufacturer	Analog Devices
File Size	1.68 MB
Description	Synchronous Buck Controller
Download	ADP1875 Download (PDF)

General Description

The ADP1874/ADP1875 are versatile current mode, synchronous step-down controllers.

They provide superior transient response, optimal stability, and current-limit protection by using a constant on-time, pseudo fixed frequency with a programmable current limit, current control scheme.

In addition, these devices offer optimum performance at low duty cycles by using a valley, current mode control architecture.

Key Features

Power input voltage range: 2.95 V to 20 V On-board bias regulator Minimum output voltage: 0.6 V 0.6 V reference voltage with ±1.0% accuracy Supports all N-channel MOSFET power stages Available in 300 kHz, 600 kHz, and 1.0 MHz options No current-sense resistor required Power saving mode (PSM) for light loads (ADP1875 only) Resistor programmable current limit Power good with internal pull-up resistor Externally programmable soft start Thermal overload protection Short-circuit protection Standalone.

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