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.
Full PDF Text Transcription for LTC3521 (Reference)
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LTC3521. For precise diagrams, and layout, please refer to the original PDF.
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 (...
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/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 Po
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LTC3521 Datasheet
