LT3020

• 产品介绍

LT3020为100mA，低电压，非常低压差线性稳压器

特点

• V _IN Range: 0.9V to 10V V _IN范围：0.9V至10V
• Minimum Input Voltage: 0.9V 最小输入电压：0.9V
• Dropout Voltage: 150mV Typical 低压差：150mV的典型
• Output Current: 100mA 输出电流：100mA
• Adjustable Output (V _REF = V _OUT (MIN) 200mV) 可调输出（V _REF = V _输出 （MIN）为200mV）
• Fixed Output Voltages: 1.2V, 1.5V, 1.8V 固定输出电压：1.2V，1.5V，1.8V
• Stable with Low ESR, Ceramic Output Capacitors (2.2µF Minimum)稳定的低ESR陶瓷输出电容器（2.2μF最小）
• 0.2% Load Regulation from 0mA to 100mA 0.2％的负载调节从0mA至100mA
• Quiescent Current: 120µA (Typ)静态电流：120μA（典型值）
• 3µA Typical Quiescent Current in Shutdown 3μA关断模式下的典型静态电流
• Current Limit Protection电流限制保护
• Reverse-Battery Protection电池反向保护
• No Reverse Current无反向电流
• Thermal Limiting with Hysteresis具迟滞的热限制
• 8-Lead DFN (3mm × 3mm) and MSOP Packages 8引脚DFN（3mm×3mm的）和MSOP封装

描述

The LT®3020 is a very low dropout voltage (VLDO™) linear regulator that operates from input supplies down to 0.9V. LT®3020是一个非常低的压降（VLDO稳压器™）线性稳压器供应下降至0.9V输入操作。 This device supplies 100mA of output current with a typical dropout voltage of 150mV.此装置提供一个150mV的典型压差电压输出电流百毫安。 The LT3020 is ideal for low input voltage to low output voltage applications, providing comparable electrical efficiency to that of a switching regulator. LT3020的低输入电压低输出电压应用的理想选择，提供媲美的电气开关稳压器的效率。

The LT3020 regulator optimizes stability and transient response with low ESR, ceramic output capacitors as small as 2.2µF. LT3020稳压器用优化稳定性和瞬态响应，低ESR，小型2.2μF陶瓷输出电容器。 Other LT3020 features include 0% line regulation and 0.2% typical load regulation. LT3020的其它特点包括0％的行规和0.2％的典型负载调节。 In shutdown, quiescent current typically drops to 3µA.在关断模式下，静态电流通常降至3μA。

Internal protection circuitry includes reverse-battery protection, current limiting, thermal limiting with hysteresis, and reverse-current protection.内部保护电路包括电池反向保护，限流，具迟滞的热限制和反向电流保护。 The LT3020 is available as an adjustable output device with an output range down to the 200mV reference. LT3020的是下降到200mV的参考输出范围可调输出设备。 Three fixed output voltages, 1.2V, 1.5V and 1.8V, are also available.三，1.2V，1.5V和1.8V固定输出电压也可提供。

The LT3020 regulator is available in the low profile (0.75mm) 8-lead (3mm × 3mm) DFN package with exposed pad and the 8-lead MSOP package. LT3020稳压器用低扁平（0.75mm）8引线（3mm×3mm的）DFN封装裸露焊盘和8引线MSOP封装。

应用

• Low Current Regulators低电流稳压器
• Battery-Powered Systems电池供电系统
• Cellular Phones手机
• Pagers寻呼机
• Wireless Modems无线调制解调器