图2-33Vbo为3.3V时工艺角与启动时间的关系…33 图2-34bD为2.1V时工艺角与启动时间的关系… …34 图2-35bD为2.1V时数字修正与温度曲线的关系…35 图2-36Voo为3.3V时数字修正与温度曲线的关系 …35 图3-1电压一电流转换电路拓扑图… 37 图3-2电流镜示意图… 38 图3-3由于Vs不同产生输出电流的误差… 39 图3-4共源共栅(cascade)电流镜…. …39 图3-5低压共源共栅电流镜… 40 图3-6电压一电流转换电路原理图… 41 图3-7电压一电流转换电路… 41 图3-8电源变化和工艺角偏差与输出电流的关系… 42 图4-1电源管理示意图… …45 图4-2恒压源及其连接示意图… 46 图4-3线性稳压器的典型输入一输出特性… 46 图4-4传统的线性稳压器… 47 图4-5传统的线性稳压器的波特图… 47 图4-6低压差线性稳压器… 47 图4-7低压差线性稳压器的波特图… 47 图4-8低压差线性稳压器结构示意图… 48 图4-9负载电流快速切换的等效电路… 49 图4-10快速瞬态响应的无片外电容的稳压器的原理图… 49 图4-11简单的电容积分器… 50 图4-12快速瞬态响应的稳压器等效电路图… 50 图4-13低压差线性稳压器电路图…。 51 图4-14低压差线性稳压器仿真电路图… 51 图4-15电源变化和负载电流与温度曲线的关系… 52 图4-16电源变化与输出电压的关系… 53 图4-1730mA范围内，负载电流变化与单位增益带宽的关系…54 图4-1830A范围内，负载电流变化与相位裕度的关系 55 图4-191mA范围内，负载电流变化与单位增益带宽的关系…55 图4-201A范围内，负载电流变化与相位裕度的关系 56 图4-21电源电压和负载与环路交流稳定性的关系…56 图4-22相位裕度… 57 图4-23单位增益带宽… 57 图4-24电源电压和负载与PSRR的关系… 58 VIV 图 2-33 VDD为 3.3 V 时工艺角与启动时间的关系······································33 图 2-34 VDD为 2.1 V 时工艺角与启动时间的关系······································34 图 2-35 VDD为 2.1 V 时数字修正与温度曲线的关系 ··································35 图 2-36 VDD为 3.3 V 时数字修正与温度曲线的关系 ··································35 图 3-1 电压—电流转换电路拓扑图····························································37 图 3-2 电流镜示意图 ·················································································38 图 3-3 由于 VDS不同产生输出电流的误差·················································39 图 3-4 共源共栅(cascade)电流镜······························································39 图 3-5 低压共源共栅电流镜·······································································40 图 3-6 电压—电流转换电路原理图····························································41 图 3-7 电压—电流转换电路·······································································41 图 3-8 电源变化和工艺角偏差与输出电流的关系 ······································42 图 4-1 电源管理示意图··············································································45 图 4-2 恒压源及其连接示意图···································································46 图 4-3 线性稳压器的典型输入—输出特性·················································46 图 4-4 传统的线性稳压器··········································································47 图 4-5 传统的线性稳压器的波特图····························································47 图 4-6 低压差线性稳压器··········································································47 图 4-7 低压差线性稳压器的波特图····························································47 图 4-8 低压差线性稳压器结构示意图 ························································48 图 4-9 负载电流快速切换的等效电路 ························································49 图 4-10 快速瞬态响应的无片外电容的稳压器的原理图 ·····························49 图 4-11 简单的电容积分器 ········································································50 图 4-12 快速瞬态响应的稳压器等效电路图 ···············································50 图 4-13 低压差线性稳压器电路图 ·····························································51 图 4-14 低压差线性稳压器仿真电路图 ······················································51 图 4-15 电源变化和负载电流与温度曲线的关系········································52 图 4-16 电源变化与输出电压的关系··························································53 图 4-17 30 mA 范围内，负载电流变化与单位增益带宽的关系··················54 图 4-18 30 mA 范围内，负载电流变化与相位裕度的关系 ·························55 图 4-19 1 mA 范围内，负载电流变化与单位增益带宽的关系····················55 图 4-20 1 mA 范围内，负载电流变化与相位裕度的关系 ···························56 图 4-21 电源电压和负载与环路交流稳定性的关系 ····································56 图 4-22 相位裕度 ······················································································57 图 4-23 单位增益带宽 ···············································································57 图 4-24 电源电压和负载与 PSRR 的关系··················································58