TSMC 40nm ULP combo voltage regulator combining a high efficiency DC-DC for operation in normal mode and an ultra-low quiescent uLDO to supply AON domain during sleep mode
Overview
The RAR-eSR-qLR Retention Alternating Regulator combines two regulation sub-components: a high-efficiency switching regulator (eSR) and an ultra low quiescent linear regulator (qLR). A Regulation Control Unit (RCU) manages booting and transitions between each regulation functions.
Key Features
- Perfect fit for battery-powered IoT applications that require both high-efficiency during active mode and ultra-low power consumption in AON domain during sleep and deep sleep mode
- Embedded RCU (Regulator Control Unit) to manage booting and mode transitions and to ensure data integrity
- Configurable output current to fit the application
- Support of input voltage from 2.7V to 5.5V (Li-Ion, USB supplies)
Block Diagram
Technical Specifications
Foundry, Node
TSMC 40nm uLP
Maturity
In Production
TSMC
In Production:
40nm
LP
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