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LTC3521 - 1A Buck-Boost DC/DC And Dual 600mA Buck DC/DC Converters

General Description

The LTC®3521 combines a 1A buck-boost DC/DC converter and dual 600mA synchronous buck DC/DC converters.

The 1.1MHz switching frequency minimizes the solution footprint while maintaining high efficiency.

Key Features

  • n Three High Efficiency DC/DC Converters: Buck-Boost (VOUT: 1.8V to 5.25V, IOUT: 1A) Dual Buck (VOUT: 0.6V to VIN, IOUT: 600mA) n 1.8V to 5.5V Input Voltage Range n Pin-Selectable Burst Mode® Operation n 30µA Total Quiescent Current in Burst Mode Operation n Independent Power Good Indicator Outputs n Integrated Soft-Start n Thermal and Overcurrent Protection n.

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Other Datasheets by Linear Technology (now Analog Devices)

Part Number Description
LTC3520 Synchronous 1A Buck-Boost and 600mA Buck Converters
LTC3522 Synchronous 400mA Buck-Boost and 200mA Buck Converters
LTC3526 500mA 1MHz Synchronous Step-Up DC/DC Converters
LTC3526-2 500mA 2MHz Synchronous Step-Up DC/DC Converters
LTC3526B 500mA 1MHz Synchronous Step-Up DC/DC Converters

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.

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LTC3521 1A Buck-Boost DC/DC and Dual 600mA Buck DC/DC Converters Features n Three High Efficiency DC/DC Converters: Buck-Boost (VOUT: 1.8V to 5.25V, IOUT: 1A) Dual Buck (VOUT: 0.6V to VIN, IOUT: 600mA) n 1.8V to 5.5V Input Voltage Range n Pin-Selectable Burst Mode® Operation n 30µA Total Quiescent Current in Burst Mode Operation n Independent Power Good Indicator Outputs n Integrated Soft-Start n Thermal and Overcurrent Protection n <2µA Current in Shutdown n Small 4mm × 4mm QFN and Thermally Enhanced TSSOP Packages Applications n Bar Code Readers n Medical Instruments n Handy Terminals n PDAs, Handheld PCs n GPS Receivers L, LT, LTC, LTM, Linear Technology, Burst Mode and the Linear logo are registered trademarks and PowerPath is a trademark of Linear Technology Corporation.