AMS117 3.3V

www.msksemi.com AMS1117-XXX Semiconductor Compiance 低压差线性稳压器 概述： AMS1117 是一款低压差的线性稳压器。 １Ａ 特点： • 包括三端可调输出和固定电压输出版本 （固定电压包括 1.2V,1.8V，2.5V，3.3V，５Ｖ等， 其他电压规格可根据用户定制） • • • • • • SOT-223 最大输出电流为 1A 输出电压精度高达±2％ 稳定工作电压范围为高达 12V 电压线性度为 0.2％ 负载线性度为 0.4％ 环境温度：TA 的范围是-20℃~125℃ 用途： • • • • • 计算机主板、显卡 LCD 监视器及 LCD TV DVD 解码板 ADSL 等设备 开关电源的后级稳压 功能图： VIN Thermal Limit Current Limit VOUT - 1- GND (fixed output) Substrate 2012-6-25 ADJ. (adjustable output) www.msksemi.com AMS1117-XXX Semiconductor Compiance 引脚排列图： SOT-223 1 2 　 引脚定义： 引脚号 符号 定义 1 GND 接地脚 2 Vout 输出端 3 Vin 输入端 3 　 固定电 压型 引脚号 符号 定义 1 Adj. 可调端 2 Vout 输出端 3 Vin 输入端 可调电 压型 极限值： 参 数 名 称 符 号 数值 单位 最大输入电压 Vin 18 V 最大节温 TJ 125 °C 最大环境温度 TA 125 °C 贮存温度 Ts -65~ +150 °C 焊接温度和时间 300°C,10S 推荐工作条件： 名称 最小 输入电压范围 工作环境温度 0 推荐 最大 单位 15 V 125 °C www.msksemi.com AMS1117-XXX Semiconductor Compiance 主要参数和工作特性： Tj=25℃ 参数 Vref 参数说明 参考电压 条件 最小值 典型值 最大值 1.225 1.25 1.275 V 1.176 1.2 1.224 V 1.47 1.5 1.53 V 1.764 1.80 1.836 V 2.45 2.50 2.55 V 3.235 3.3 3.365 V 4.9 5 5.1 V AMS1117-ADJ Iout=10mA, V≤Vin-Vout≤10V 5 18 mV AMS1117-1.2V Iout=10mA, 2.7V≤Vin≤10V 5 18 mV AMS1117-1.5V Iout=10mA, 2.75V≤Vin≤10V 5 18 mV AMS1117-1.8V Iout=10mA, 3.25 V≤Vin≤10V 5 18 mV AMS1117-2.50V Iout=10mA, 3.9 V≤Vin≤10V 5 18 mV AMS1117-3.3V Iout=10mA, 5.3 V≤Vin≤12V 9 18 mV AMS1117-5V Iout=10mA,6.5V≤Vin≤12V 9 18 mV AMS1117-ADJ Vin = 3.25V, 10mA≤Iout≤1A 9 18 mV AMS1117-1.2V Vin = 2.7 V, 10mA≤Iout≤1A 9 18 mV AMS1117-1.5V Vin = 3.25V, 10mA≤Iout≤1A 9 18 mV Iout=10mA, Vin-Vout=2V 10mA≤Iout≤1A ,1.5V≤Vin-Vout≤10V 单位 AMS1117-1.20V 10mA≤Iout≤1A ,2.7V≤Vin≤10V AMS1117-1.50V 10mA≤Iout≤1A ,3.0V≤Vin≤10V AMS1117-1.80V Vout 输出电压 10mA≤Iout≤1A ,3.25 V≤Vin≤10V AMS1117-2.50V 10mA≤Iout≤1A ,3.9 V≤Vin≤10V AMS1117-3.3V 10mA≤Iout≤1A , 5.3 V≤Vin≤12V AMS1117-5V 10mA≤Iout≤1A , 6.5V≤Vin≤12V ∆Vout ∆Vout 电压线性度 负载线性度 www.msksemi.com AMS1117-XXX Semiconductor Compiance 主要参数和工作特性： Vin-Vout Ilimit Iq AMS1117-1.8V Vin = 3.25V, 10mA≤Iout≤1A 10 18 mV AMS1117-2.5V Vin = 4.5 V, 10mA≤Iout≤1A 10 18 mV AMS1117-3.3V Vin=5.3V, 0≤Iout≤1A 12 20 mV AMS1117-5V Vin=6.5V, 0≤Iout≤1A 12 20 mV 1.4 V AMS1117-ADJ 10 mA AMS1117-ADJ Vin = 4.0V 12 mA AMS1117-1.2V,Vin = 4.8V 12 mA AMS1117-1.5V,Vin = 4.8V 12 mA AMS1117-1.8V,Vin = 4.8V 12 mA AMS1117-2.5V,Vin = 4.8V 12 mA AMS1117-3.3V,Vin = 4.8V 12 mA AMS1117-5.0V,Vin = 4.8V 12 mA 最小输入输出 ∆Vout, ∆Vref,=1%，Iout=1A 电压差 最小负载电流 静态电流 www.msksemi.com AMS1117-XXX Semiconductor PACKAGE MECHANICAL DATA Symbol A A1 A2 b b1 c D E E1 e L θ Dimensions In Millimeters Min. Max. —— 1.800 0.020 0.100 1.500 1.700 0.660 0.840 2.900 3.100 0.230 0.350 6.300 6.700 6.700 7.300 3.300 3.700 2.300(BSC) 0.750 —— 0° 10° Dimensions In Inches Min. Max. —— 0.071 0.001 0.004 0.059 0.067 0.026 0.033 0.114 0.122 0.009 0.014 0.248 0.264 0.264 0.287 0.130 0.146 0.091(BSC) 0.030 —— 0° 10° REEL SPECIFICATION P/N AMS1117-XXX PKG SOT-223 QTY 2500 Compiance AMS1117-XXX Semiconductor Compiance Attention ■ Any and all MSKSEMI Semiconductor products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. 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