器件名称:
TC682CPA
功能描述:
Inverting Voltage Doubler
文件大小:
546.58KB 共14页
简 介:
TC682 Inverting Voltage Doubler Features: 99.9% Voltage Conversion Efficiency 92% Power Conversion Efficiency Wide Input Voltage Range: - +2.4V to +5.5V Only 3 External Capacitors Required 185 μA Supply Current Space-Saving 8-Pin SOIC and 8-Pin PDIP Packages General Description: The TC682 is a CMOS charge pump converter that provides an inverted doubled output from a single positive supply. An on-board 12 kHz (typical) oscillator provides the clock and only 3 external capacitors are required for full circuit implementation. Low output source impedance (typically 140Ω), provides output current up to 10 mA. The TC682 features low quiescent current and high efficiency, making it the ideal choice for a wide variety of applications that require a negative voltage derived from a single positive supply (for example: generation of -6V from a 3V lithium cell or -10V generated from a +5V logic supply). The minimum external parts count and small physical size of the TC682 make it useful in many mediumcurrent, dual voltage analog power supplies. Applications: -10V from +5V Logic Supply -6V from a Single 3V Lithium Cell Portable Handheld Instruments Cellular Phones LCD Display Bias Generator Panel Meters Operational Amplifier Power Supplies Functional Block Diagram VIN +2.4V < VIN < +5.5V Device Selection Table Part Number TC682COA TC682CPA TC682EOA TC682EPA Package 8-Pin SOIC 8-Pin PDIP 8-Pin SOIC 8-Pin PDIP Operating Temp. Range 0°C to +70°C 0°C to +70°C -40°C to +85°C ……
