Power Management and Analog Companions
Description
Features
• DCw/DwCw.
SDtaetapS-uhepeCt4oUn.
cvoemrter (BOOST) 3.
3V to 5.
2V, 1A, up to 90% Efficiency.
Can be Used as BUCK/BOOST in SEPIC Configuration
• DC/DC Step-down (BUCK) Synchronous Converter 0.
9V to 3.
4V, 500mA, up to 90% Efficiency, Pulse Skipping Capabilities for High Efficiency at Light Load Currents
• Two Low-Drop-Out Regulators 1.
3V, 1.
5V to 1.
8V, 2.
5V to 2.
8V (100 mV Step), 3.
3V, 200 mA Maximum Load
• Ultra-low Power Real-time Clock (RTC) and Backup Battery Management – 2.
6V RTC LDO for Backup Battery Charging – 32 kHz Crystal RTC Oscillator (1 µA) – RTC Circuit for Time and Date Information
• Activation of the Power Management Modules via Dedicated Enable Pin • Automatic Start-up Sequences, POK Signal Indicating When Start-up is Completed • Activation and Control of the Power Management Modules in Dynamic Mode (via SPI or
TWI) or in Static Mode (On/Off of the Four Power Supplies) • ITB Signal Indicating Short-circuits in DC/DC Converters • Very Low ...
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