500 MA Synchronous Buck Regulator, + 300 MA LDO With Power-Good Output

TC1303C The TC1303 TC1304 combines a 500 mA synchro- nous buck Regulator and 300 mA Low-Dropout Regula- tor (LDO) with a power-good monitor to provide a highly integrated solution for devices that require multiple supply voltages. The unique combination of an integrated buck Switching Regulator and low-dropout linear Regulator provides the lowest system cost for dual-output voltage applications that require one lower processor core voltage and one higher bias voltage. The 500 mA synchronous buck Regulator switches at a fixed frequency of 2.0 MHz when the load is heavy, providing a low noise, small-size solution. When the load on the buck output is reduced to light levels, it changes operation to a Pulse Frequency Modulation (PFM) mode to minimize quiescent current draw from the battery. No intervention is necessary for smooth transition from one mode to another. The LDO provides a 300 mA auxiliary output that requires a single 1 F ceramic output capacitor minimizing board area and cost. The typical dropout voltage for the LDO output is 137 mV for a 200 mA load. By Microchip Technology Inc.
TC1303C 's PackagesTC1303C 's pdf datasheet
TC1303C-1I0EMF DFN
TC1303C-1I0EMFTR DFN
TC1303C-PA0EMF DFN
TC1303C-PA0EMFTR DFN
TC1303C-PI0EMF DFN
TC1303C-PI0EMFTR
TC1303C-RD1EMF DFN
TC1303C-RD1EMFTR DFN
TC1303C-VP0EMF DFN
TC1303C-VP0EMFTR DFN
TC1303C-VP0EUN MSOP
TC1303C-VP0EUNTR MSOP
TC1303C-ZA0EMF DFN
TC1303C-ZA0EMFTR DFN
TC1303C-ZA0EUN MSOP
TC1303C-ZA0EUNTR MSOP
TC1303C-ZI0EMF DFN
TC1303C-ZI0EMFTR DFN
TC1303C-ZI0EUN
TC1303C-ZI0EUNTR MSOP
TC1303C-ZP0EMF DFN
TC1303C-ZP0EMFTR DFN
TC1303C-ZP0EUN MSOP
TC1303C-ZP0EUNTR MSOP
TC1303C-ZS0EMF DFN
TC1303C-ZS0EMFTR DFN
TC1303C-ZS0EUN MSOP
TC1303C-ZS0EUNTR MSOP




TC1303C Pinout, Pinouts
TC1303C pinout,Pin out
This is one package pinout of TC1303C,If you need more pinouts please download TC1303C's pdf datasheet.

TC1303C Application circuits
TC1303C circuits
This is one application circuit of TC1303C,If you need more circuits,please download TC1303C's pdf datasheet.


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