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TC115

PFM/PWM Step-Up DC/DC Converter

GeneralDescription TheTC115isahigh-efficiencystep-upDC/DCconverterforsmall,lowinputvoltageorbatterypoweredsystems.Thisdevicehasastart-upvoltageof0.9Vandatypicalsupplycurrentof80μA. Features ?HighEfficiencyatLowOutputLoadCurrentsviaPFMMode ?Assure

TC115

PFM/PWM Step-Up DC/DC Converter; High Efficiency at Low Output Load Currents via PFM Mode\nGuaranteed Start-Up at 0.9V\n80 μA (typ.) Supply Current\n85% (typ.) Efficiency at 100 mA\n140 mA Typical Output Current @ VIN = 2.0V\nLow Power Shutdown Mode\nNo External Switching Transistor Needed;

The TC115 is a high-efficiency step-up DC/DC converter for small, low input voltage or battery powered sys-tems. This device has a guaranteed start-up voltage of 0.9V and a typical supply current of 80 μA. Phase compensation and soft-start circuitry are included on-chip. Unlike conventional PWM step-up converters, the TC115 automatically shifts to pulse frequency modulation (PFM) at low loads, resulting in reduced supply current and improved efficiency. The TC115 requires only an external diode, an inductor, and a capacitor, and supports typical output currents of 140 mA. Supply current is reduced to less than 0.5 μA, max when SHDN input is brought low. Small size, low installed cost, and low supply current make the TC115 step-up converter ideal for use in a wide range of battery powered systems.

TC115301ECT

PFM/PWM Step-Up DC/DC Converter

GeneralDescription TheTC115isahigh-efficiencystep-upDC/DCconverterforsmall,lowinputvoltageorbatterypoweredsystems.Thisdevicehasastart-upvoltageof0.9Vandatypicalsupplycurrentof80μA. Features ?HighEfficiencyatLowOutputLoadCurrentsviaPFMMode ?Assure

TC115301EMTTR

PFM/PWM Step-Up DC/DC Converter

GeneralDescription TheTC115isahigh-efficiencystep-upDC/DCconverterforsmall,lowinputvoltageorbatterypoweredsystems.Thisdevicehasastart-upvoltageof0.9Vandatypicalsupplycurrentof80μA. Features ?HighEfficiencyatLowOutputLoadCurrentsviaPFMMode ?Assure

TC115331ECT

PFM/PWM Step-Up DC/DC Converter

GeneralDescription TheTC115isahigh-efficiencystep-upDC/DCconverterforsmall,lowinputvoltageorbatterypoweredsystems.Thisdevicehasastart-upvoltageof0.9Vandatypicalsupplycurrentof80μA. Features ?HighEfficiencyatLowOutputLoadCurrentsviaPFMMode ?Assure

TC115331EMTTR

PFM/PWM Step-Up DC/DC Converter

GeneralDescription TheTC115isahigh-efficiencystep-upDC/DCconverterforsmall,lowinputvoltageorbatterypoweredsystems.Thisdevicehasastart-upvoltageof0.9Vandatypicalsupplycurrentof80μA. Features ?HighEfficiencyatLowOutputLoadCurrentsviaPFMMode ?Assure

TC115501ECT

PFM/PWM Step-Up DC/DC Converter

GeneralDescription TheTC115isahigh-efficiencystep-upDC/DCconverterforsmall,lowinputvoltageorbatterypoweredsystems.Thisdevicehasastart-upvoltageof0.9Vandatypicalsupplycurrentof80μA. Features ?HighEfficiencyatLowOutputLoadCurrentsviaPFMMode ?Assure

TC115501EMTTR

PFM/PWM Step-Up DC/DC Converter

GeneralDescription TheTC115isahigh-efficiencystep-upDC/DCconverterforsmall,lowinputvoltageorbatterypoweredsystems.Thisdevicehasastart-upvoltageof0.9Vandatypicalsupplycurrentof80μA. Features ?HighEfficiencyatLowOutputLoadCurrentsviaPFMMode ?Assure

TC115X130X12

STANDARD SHAFT SEALS

?DESCRIPTION TheTCprofileisashaftseal composedofasinglemetalcage witharubbercoating,aprimary sealinglipwithintegratedspringand anadditionalanti-pollutionlip. ?APPLICATIONS Shaftsealing Engines Pumps Transmissions

TC115X130X12

STANDARD SHAFT SEALS

?DESCRIPTION TheTCprofileisashaftseal composedofasinglemetalcage witharubbercoating,aprimary sealinglipwithintegratedspringand anadditionalanti-pollutionlip. ?APPLICATIONS Shaftsealing Engines Pumps Transmissions