Synchronous Step-Up DC-DC Converter with PFM Control and High efficiency of 95%
Tech Public's TP7818 Series is a Synchronous step-up DC/DC Converter with PFM Control. With the TP7818 Series, a step-up switching DC/DC converter can be configured by using an external coil capacitor. The built-in MOSFET is turned off by a protection circuit when the voltage at the LX pin exceeds the limit to prevent it from being damaged.
Features
●External parts: Coil , capacitor
●Output voltage: Settable to between 2.1V to 5.5 V in 0.1V steps
●Maximum Oscillation frequency: 300KHz
●Accuracy of ±2%
●High efficiency: 95%
●Package : SOT23, SOT23-3 , SOT23-5 , SOT89 and TO92
Applications
●Digital cameras
●Electronic notebooks and PDAs
●Portable CD/MD players
Application Circuits
TP7818 without CE
TP7818 with CE
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