厂商：Freescale
类别：16位单片机
厂商：Linear
类别：精准放大器
厂商：
类别：PhotoMOS(MOSFET输出光电耦合器)
厂商：TDK
类别：压敏电阻
类别：绕组电感器
类别：电压基准
我要询价我要收藏
特点Regulated Negative Voltage from a Single Positive SupplyCan Provide Regulated -5V from a 3V SupplyREG Pin Indicates Output is in RegulationLow Output Ripple: 5mV TypSupply Current: 600μA TypShutdown Mode Drops Supply Current to 5μAUp to 15mA Output CurrentAdjustable or Fixed Output VoltagesRequires Only Three or Four External CapacitorsAvailable in SO-8 Packages典型应用典型应用描述描述 The LTC?1261 is a switched-capacitor voltage inverter designed to provide a regulated negative voltage from a single positive supply. The LTC1261CS operates from a single 3V to 8V supply and provides an adjustable output voltage from –1.25V to –8V. An on-chip resistor string allows the LTC1261CS to be configured for output voltages of –3.5V, –4V, –4.5V or –5V with no external components. The LTC1261CS8 is optimized for applications which use a 5V or higher supply or which require low output voltages. It requires a single external 0.1μF capacitor and provides adjustable and fixed output voltage options in 8-pin SO packages. The LTC1261CS requires one or two external 0.1μF capacitors, depending on input voltage. Both versions require additional external input and output bypass capacitors. An optional compensation capacitor at ADJ/COMP can be used to reduce the output voltage ripple. Each version of the LTC1261 will supply up to 12mA output current with guaranteed output regulation of 5%. The LTC1261 includes an open-drain REG output which pulls low when the output is within 5% of the set value. Output ripple is typically as low as 5mV. Quiescent current is typically 600μA when operating and 5μA in shutdown. The LTC1261 is available in a 14-pin narrow body SO package and an 8-pin SO package.