LT3011

• 产品介绍

LT301150mA时，3V至80V低压差微与PWRGD的线性稳压器

特点

• Wide Input Voltage Range: 3V to 80V 宽输入电压范围：3V至80V
• Low Quiescent Current: 46μA 低静态电流：46μA
• Low Dropout Voltage: 300mV 低压差：300mV的
• Output Current: 50mA 输出电流：50mA
• PWRGD Flag with Programmable Delay PWRGD的标志，具有可编程延迟
• No Protection Diodes Needed无需保护二极管
• Adjustable Output from 1.24V to 60V从1.24V至60V的可调输出
• 1μA Quiescent Current in Shutdown 1μA静态电流关断模式
• Stable with 1μF Output Capacitor 1μF的输出电容器稳定
• Stable with Ceramic, Tantalum, and Aluminum Capacitors稳定的陶瓷电容，钽，铝电容器
• Reverse-Battery Protection电池反向保护
• No Reverse Current Flow from Output to Input没有从输出到输入的反向电流
• Thermal Limiting热限制
• Thermally Enhanced 12-Lead MSOP and 10-Pin (3mm × 3mm) DFN Packages耐热增强型12引线MSOP和10引脚（3mm×3mm的）DFN封装

描述 The LT®3011 is a high voltage, micropower, low dropout LT®3011是一种高电压，微功耗，低压差
linear regulator.线性稳压器。 The device is capable of supplying 50mA该设备能够提供50毫安
output current with a dropout voltage of 300mV.一个300mV的压差电压的输出电流。 Designed设计
for use in battery-powered high voltage systems, the low在使用电池供电的高压系统，低
quiescent current (46μA operating and 1μA in shutdown)静态电流（46μA操作系统和关机1μA）
is well controlled in dropout, making the LT3011 an ideal得到很好的控制辍学，使LT3011的理想
choice.选择。

The LT3011 includes a PWRGD flag to indicate output LT3011包括PWRGD的标志，以表明输出
regulation.规管。 The delay between regulated output level and之间的稳压输出水平和延迟
flag indication is programmable with a single capacitor.国旗的标志是用一个单一的电容可编程。
The LT3011 also has the ability to operate with very small LT3011还具有非常小的经营能力
output capacitors; it is stable with only 1μF on the output.输出电容器;只1μF的输出，它是稳定的。
Small ceramic capacitors can be used without the addition没有除可用于小型的陶瓷电容器
of any series resistance (ESR) as is common with other任何串联电阻（ESR）与其他常见
regulators.监管机构。 Internal protection circuitry includes reverse battery protection, current limiting, thermal limiting, and内部保护电路包括电池反向保护，限流，热限制和
reverse current protection.反向电流保护。

The LT3011 features an adjustable output with a 1.24V LT3011具有一个1.24V可调输出
reference voltage.参考电压。 The device is available in the thermally该器件提供的热
enhanced 12-lead MSOP and the low profi le (0.75mm)增强型12引线MSOP和低利润勒高度（0.75mm）
10-pin (3mm × 3mm) DFN package, both providing excellent thermal characteristics. DFN封装，10引脚（3mm×3mm的），同时提供卓越的热特性。

应用

• Low Current High Voltage Regulators低电流，高电压稳压器
• Regulator for Battery-Powered Systems稳压器为电池供电系统
• Telecom Applications电信应用
• Automotive Applications汽运