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UM3501 Data Sheet

Synchronous Step-Down DC-DC Converter

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UM3501

UM3501 600mA, 1.2MHz, Synchronous Step-Down DC-DC Converter UM3501 SOT23-5 UM3501DA DFN6L 2.0×2.0 General Description UM3501 is a high-efficiency pulse-width-modulated (PWM) step-down DC-DC converter, capable of delivering 600mA output current over a wide input voltage range from 2.5V to 5.5V. The .

UM3501

Download UM3501 Datasheet

UM3501 600mA, 1.2MHz, Synchronous Step-Down DC-DC Converter UM3501 SOT23-5 UM3501DA DFN6L 2.0×2.0 General Description UM3501 is a high-efficiency pulse-width-modulated (PWM) step-down DC-DC converter, capable of delivering 600mA output current over a wide input voltage range from 2.5V to 5.5V. The target application of UM3501 is for portable electronic devices that are powered from 1-cell Li-ion battery or from other power sources within the range such as cellular phones, PDAs and handy-terminals. Internal synchronous rectifier with low RDS(ON) dramatically reduces conduction loss at PWM mode. No external Schottky diode is required in practical application. The UM3501 automatically turns off the synchronous rectifier while the inductor current is low and enters discontinuous PWM mode. This can increase efficiency at light load condition..




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