深圳市润芯微电子有限公司
联系人:赵小姐
联系电话:0755-33100277
手机:13530255775
QQ:1310658007
公司产品主要面对群体:MP3,U盘,摄像头,数码相框,读卡器,蓝牙适配器等相关数码厂家,拥有业界良好的声誉及口碑,同时销售量一直处于同行之首,占有60% 的市场。
主要产品;
稳压LDO:6206系列,6219系列; 431
升压:3400,5303(2.7V 2.8V 3.V 3.3V 3.6V 4.5V 5.0V)
降压:3406等
充电保护IC:4054(2YL6); SE9016;4057;5056等
功放:8002; 4871; 4863; 8403;4890;
复位:809(2.63V 2.93V )
公司薄利多销,诚实经营,价格非常具有优势, 良好的服务、规格和技术支持,
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深圳市润芯微电子有限公司 联系人:赵小姐 联系电话:0755-33100277 手机:13530255775 QQ:1310658007 IN6219系列是以CMOS工艺制造的高精度,低噪音,超快响应低压差线性稳压器。这系列的稳压器内置固定的叁考电压源,误差修正电路,限流电路,相位补偿电路以及低内阻的MOSFET,达到高纹波抑制,低输出噪音,超快响应低压差的性能。IN6219兼容体积比钽电容更小的陶瓷电容,而且不需使用0.1μF的By-pass电容,更能节省空间。其的高速响应特性能应付负载电流的波动,所以特别适合使用於手持及射频产品上。通过控制芯片上的CE脚可将输出关断,在关断后的功耗只有0.1μA以下。 ?高精度输出电压:±2.5%; ?输出电压:1.5V~5.0V(步长0.1V); ?静态电流(Typ.=65μA); ?极低的关断电流(Typ.=0.01μA) ?带载能力强:当Vin=4.3V且Vout=3.3V时 Iout=300mA; ?高纹波抑制比70dB @ 10KHz ?输入稳定性好:Typ. 0.05%/V; ?低输出噪音50μVrms; ?封装形式:SOT23-3,SOT89-3,SOT23-5,SOT89-5
The SY3131 is high efficiency synchronous,PWM step-up DC/DC converters optimized to provide a high efficient solution to medium power systems. The devices work under the input voltage between 0.9V and 4.4V with a 1.4MHz fixed frequency switching. These features minimize overall solution footprint by allowing the use of tiny,low profile inductors and ceramic capacitors.Automatic PWM/PFM mode switching at light load saves power and improve efficiency. The SY3131 is capable of supplying an output voltage between 2.5V and 4.3V, the internal synchronous switch is desired to provide high efficiency without Schottky. The devices also featured providing up to 260mA from a single AA cell input or up to 600mA from a 2-cell AA with a 3V/3.3V output. The SY3131 regulators are available in the industry standard SOT-23-6 power packages (or upon request). Features ◆Up to 94% Efficiency ◆Low voltage start-up:0.9V ◆Shut-down current: < 1μ...