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LTC3625-1 - 1A High Efficiency 2-Cell Supercapacitor Charger

Download the LTC3625-1 datasheet PDF. This datasheet also covers the LTC3625 variant, as both devices belong to the same 1a high efficiency 2-cell supercapacitor charger family and are provided as variant models within a single manufacturer datasheet.

General Description

The LTC®3625/LTC3625-1 are programmable supercapacitor chargers designed to charge two supercapacitors in series to a fixed output voltage (4.8V/5.3V or 4V/4.5V selectable) from a 2.7V to 5.5V input supply.

Key Features

  • n High Efficiency Step-Up/Step-Down Charging of Two Series Supercapacitors n Automatic Cell Balancing Prevents Capacitor Overvoltage During Charging n Programmable Charging Current Up to 500mA (Single Inductor), 1A (Dual Inductor) n VIN = 2.7V to 5.5V n Selectable 2.4V/2.65V Regulation per Cell (LTC3625) n Selectable 2V/2.25V Regulation per Cell (LTC3625-1) n Low No-Load Quiescent Current: 23µA n IVOUT, IVIN < 1µA in Shutdown n Low Profile 12-lead 3mm × 4mm DFN Package.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LTC3625_LinearTechnology.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Linear Technology (now Analog Devices)

Part Number Description
LTC3625 1A High Efficiency 2-Cell Supercapacitor Charger
LTC3620 Ultralow Power 15mA Synchronous Step-Down Switching Regulator
LTC3621 1A Synchronous Step-Down Regulator
LTC3621-2 1A Synchronous Step-Down Regulator
LTC3622 Dual 1A Synchronous Step-Down Regulator

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
LTC3625/LTC3625-1 1A High Efficiency 2-Cell Supercapacitor Charger with Automatic Cell Balancing Features n High Efficiency Step-Up/Step-Down Charging of Two Series Supercapacitors n Automatic Cell Balancing Prevents Capacitor Overvoltage During Charging n Programmable Charging Current Up to 500mA (Single Inductor), 1A (Dual Inductor) n VIN = 2.7V to 5.5V n Selectable 2.4V/2.65V Regulation per Cell (LTC3625) n Selectable 2V/2.