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ADI/LINEAR

凌力尔特公司 (Linear Technology Corporation) 是一直致力于为全球主要的公司设计、制造和销售门类宽泛的高性能模拟集成电路。凌力尔特的产品为人们身处的模拟世界与数字化电子建立起不可或缺的桥梁,应用范围包括通信、网络、工业、汽车、计算机、医疗、仪表、消费、以及军事和航空航天系统等领域。凌力尔特制造的产品包括电源管理、数据转换、信号调理、RF 和接口 IC、以及µModule子系统等。凌力尔特已被亚德诺收购。
为您找到相关结果 134014 6103 /6701
LTC1986ES6
型号:
LTC1986ES6
品牌:
亚德诺/凌力尔特
产品分类:
其他接口
描述:
特点, V IN Range: 2.6V to 4.4V , Ultralow Power Operating Current: 14μA Shutdown Current: <1μA ,No Inductors,Short-Circuit/Thermal Protected,Ultrasmall Application Circuit (<0.045in2 ),Low Profile (1mm) ThinSOT?,Step-Up Charge Pump Generates 5V,Output Current: 10mA, V IN to V OUT Direct Connection for 3V SIMs ,Switching Frequency: 900kHz,Soft-Start Limits Inrush Current at Turn-On,Output Driven to Ground During Shutdown,典型应用,典型应用,描述,The LTC?1986 is a micropower charge pump DC/DC converter that provides power for either 3V or 5V GSM SIM cards. It operates in one of three modes: V OUT = 5V (5V mode), V OUT = V IN (3V mode) or shutdown. The input voltage range is 2.6V to 4.4V and the part can provide 10mA of output current. The LTC1986 allows V IN to drop as low as 2.6V by providing a boost feature in 3V mode. In 3V mode, V OUT is connected directly to V IN through a 2.5W switch until V IN drops below 2.85V. When V IN is below 2.85V, the part automatically boosts V OUT to maintain a regulated 2.9V output, thereby ensuring V OUT stays within the 3V SIM V CC specification.,Extremely low operating current (14μA typical with no load) and low external parts count make the part ideally suited for small, light load battery-powered applications. The total PCB area of the application circuit shown below is less than 0.045in2. Protection features include inrush current limiting, undervoltage lockout, short circuit and thermal overload protection. The LTC1986 is available in a low profile (1mm) SOT-23 package.
LTC1986ES6#PBF
型号:
LTC1986ES6#PBF
品牌:
亚德诺/凌力尔特
产品分类:
其他接口
描述:
特点, V IN Range: 2.6V to 4.4V , Ultralow Power Operating Current: 14μA Shutdown Current: <1μA ,No Inductors,Short-Circuit/Thermal Protected,Ultrasmall Application Circuit (<0.045in2 ),Low Profile (1mm) ThinSOT?,Step-Up Charge Pump Generates 5V,Output Current: 10mA, V IN to V OUT Direct Connection for 3V SIMs ,Switching Frequency: 900kHz,Soft-Start Limits Inrush Current at Turn-On,Output Driven to Ground During Shutdown,典型应用,典型应用,描述,The LTC?1986 is a micropower charge pump DC/DC converter that provides power for either 3V or 5V GSM SIM cards. It operates in one of three modes: V OUT = 5V (5V mode), V OUT = V IN (3V mode) or shutdown. The input voltage range is 2.6V to 4.4V and the part can provide 10mA of output current. The LTC1986 allows V IN to drop as low as 2.6V by providing a boost feature in 3V mode. In 3V mode, V OUT is connected directly to V IN through a 2.5W switch until V IN drops below 2.85V. When V IN is below 2.85V, the part automatically boosts V OUT to maintain a regulated 2.9V output, thereby ensuring V OUT stays within the 3V SIM V CC specification.,Extremely low operating current (14μA typical with no load) and low external parts count make the part ideally suited for small, light load battery-powered applications. The total PCB area of the application circuit shown below is less than 0.045in2. Protection features include inrush current limiting, undervoltage lockout, short circuit and thermal overload protection. The LTC1986 is available in a low profile (1mm) SOT-23 package.
LTC1695CS5#PBF
型号:
LTC1695CS5#PBF
品牌:
亚德诺/凌力尔特
产品分类:
各种控制器
描述:
特点, Complete SMBus/I2C? Brushless DC Fan Speed Control System in a 5-Pin SOT-23 package , 0.75Ohms PMOS Linear Regulator with 180mA Output Current Rating , 0V to 4.922V Output Voltage Range Controlled by a 6-Bit DAC ,Simple 2-Wire SMBus/I2C Interface,250ms Internal Timer Ensures Fan Start-Up,Current Limit and Thermal Shutdown,Fault Status Indication via SMBus Host Readback,典型应用,典型应用,描述,描述 The LTC?1695 fan speed controller provides all the functions necessary for a power management microprocessor to regulate the speed of a 5V brushless DC fan via a 2-wire SMBus/I2C interface. Fan speed is controlled according to the system’s required temperature profile and permits lower fan power consumption, longer battery run time and lower acoustical generated noise versus systems that only provide simple on-off control for the fan. The LTC1695 incorporates a 180mA low dropout linear regulator, a 2-wire SMBus/I2C interface and a 6-bit DAC. Fan speed is controlled by varying the fan’s terminal voltage through the output voltage of the LTC1695’s linear regulator. The LTC1695’s output voltage is programmed by sending a 6-bit digital code to the LTC1695 DAC via the SMBus. To eliminate fan start-up problems at lower fan voltages, users can enable the LTC1695’s boost start feature that provides the DAC’s full-scale output voltage for 250ms before decreasing to the programmed output voltage. The LTC1695 includes output current limiting and thermal shutdown as well as status monitors that can be read back by the microprocessor during fault conditions. The LTC1695 is available in a 5-lead SOT-23 package.
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