今天小编要和大家分享的是LTC1144,Co相关信息，接下来我将从LTC1144-Switched-Capacitor Wid，当初怀孕休息,她做出果断决定,完全没有挣扎,为了照顾孩子,马伊琍又推这几个方面来介绍。
LTC1144,Co相关技术文章LTC1144-Switched-Capacitor Wid
LTC1144描述The LTC1144 is a monolithic CMOS switched-capacitor voltage converter. It performs supply voltage conversion from positive to negative from an input range of 2V to 18V, resulting in complementary output voltages of -2V to -18V. Only two noncritical external capacitors are needed for the charge pump and charge reservoir functions. The converter has an internal oscillator that can be overdriven by an external clock or slowed down when connected to a capacitor. The oscillator runs at a 10kHz frequency when unloaded. A higher frequency outside the audio band can also be obtained if the Boost Pin is tied to V+ . The SHDN pin reduces supply current to 8µA and can be used to save power when the converter is not in use. The LTC1144 contains an internal oscillator, divide-by-two, voltage level shifter, and four power MOSFETs. A special logic circuit will prevent the power N-channel switch substrate from turning on.
LTC1144特点Wide Operating Supply Voltage Range: 2V to 18VBoost Pin (Pin 1) for Higher Switching FrequencySimple Conversion of 15V to -15V SupplyLow Output Resistance: 120W MaximumPower Shutdown to 8µA with SHDNOpen Circuit Voltage Conversion Efficiency: 99.9% TypicalPower Conversion Efficiency: 93% TypicalEasy to Use
Typical Application
LTC1144封装SO-8
LTC1144应用Conversion of 15V to ±15V SuppliesInexpensive Negative SuppliesData Acquisition SystemsHigh Voltage Upgrade to LTC1044 or 7660Voltage Division and MultiplicationsAutomotive ApplicationsBattery Systems with Wall Adapter/Charger
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