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LTC3622-23-5 Datasheet Dual 1A Synchronous Step-Down Regulator

Manufacturer: Linear Technology (now Analog Devices)

Download the LTC3622-23-5 datasheet PDF. This datasheet also includes the LTC3622 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (LTC3622-LinearTechnology.pdf) that lists specifications for multiple related part numbers.

General Description

nn Dual Step-Down Outputs: 1A Per Channel nn Wide VIN Range: 2.7V to 17V nn Wide VOUT Range: 0.6V to VIN nn Up to 95% Efficiency nn No-Load IQ = 5µA with Both Channels Enabled;

IQ < 4µA with Only One Channel Enabled nn High Efficiency, Low Dropout Operation (100% Duty Cycle) nn Constant Frequency (1MHz/2.25MHz) with External Frequency Synchronization nn ±1% Output Voltage Accuracy nn Current Mode Operation for Excellent Line and Load Transient Response nn Phase Shift Programmable with External Clock nn Selectable Current Limit nn Internal Compensation and Soft-Start nn Compact 14-Pin DFN (3mm × 4mm) and 16-Lead MSOP Packages APPLICATIONS nn Battery Powered Systems nn Point-of-Load Supplies nn Portable – Handheld Scanners The LTC®3622 is a dual 1A output, high efficiency synchronous monolithic step-down regulator capable of operating from input supplies up to 17V.

The switching frequency is fixed to 1MHz or 2.25MHz with a ±50% synchronization range to an external clock.

Overview

LTC3622/ LTC3622-2/LTC3622-23/5 17V, Dual 1A Synchronous Step-Down Regulator with Ultralow Quiescent.