⚡ 本页包含 AI 生成的分析内容，仅供参考
本文提出了一种混合异步二进制搜索和同步线性搜索的数字低压差稳压器（DLDO），针对物联网SoC的超低功耗和大动态负载范围需求，实现了745pA的静态电流、3.8×10^5的动态负载范围和99.99%的电流效率，以及2mV的输出电压纹波。
Shuo Li, Benton H. Calhoun University of Virginia, Charlottesville, VA Voltage regulators for emerging nW-to-μW Internet-of-Things (IoT) systems-onchip (SoCs) require ultra-low quiescent power to enhance lifetime, a large dynamic load range to support multiple components and applications, and fast transient performance to support duty-cycled loads. Switching regulators [1,2] can achieve sub-nW operation, but suffer from slow settling time and large output voltage ripple that deteriorate analog and RF performance. Digital low-dropout regulators (DLDOs) offer faster transient response, low-voltage operation, and flexible control schemes [3-6]. However, conventional synchronous DLDOs that use a high frequency clock for fast response consume too much power [3], and asynchronous DLDOs can achieve lower current consumption and fast response, but suffer from larger steady-state error [4]. Also, previous DLDOs do not target
Dynamic Load Range, 99.99% Current Efficiency, and, 2mV Output Voltage Ripple