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G5503 Dataheets PDF



Part Number G5503
Manufacturers Global Mixed-mode Technology
Logo Global Mixed-mode Technology
Description 3A Buck Converter
Datasheet G5503 DatasheetG5503 Datasheet (PDF)

Global Mixed-mode Technology Inc. 300KHz, 3A Buck Converter G5503 Features „ Voltage Mode Asynchronous PWM Control „ 3.3V, 5V and Adjustable Output Version „ Operation Voltage can be up to 20V „ Adjustable Version Output Voltage Range, 0.8V to 16V±2% „ 300KHz Fixed Frequency Internal Oscillator „ Built-in Switching Transistor on Chip „ 3A Output Load Current „ Thermal Shutdown and Current Limit Protec- tion „ ON/OFF Shutdown Control „ Iq of Low Power Standby Mode 1µA „ Available in SOP-8 Packa.

  G5503   G5503


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Global Mixed-mode Technology Inc. 300KHz, 3A Buck Converter G5503 Features „ Voltage Mode Asynchronous PWM Control „ 3.3V, 5V and Adjustable Output Version „ Operation Voltage can be up to 20V „ Adjustable Version Output Voltage Range, 0.8V to 16V±2% „ 300KHz Fixed Frequency Internal Oscillator „ Built-in Switching Transistor on Chip „ 3A Output Load Current „ Thermal Shutdown and Current Limit Protec- tion „ ON/OFF Shutdown Control „ Iq of Low Power Standby Mode 1µA „ Available in SOP-8 Packages Applications „ Simple high-efficiency step-down regulator „ On-card switching regulators „ Positive to negative converter General Description The G5503 is a voltage-mode buck PWM converter capable of driving up to 3A loads over a wide input supply range. High efficiency is obtained through the use of a low RDS(ON) P-channel power switch. The internal compensation makes feedback control have excellent line and load regulation characteristics without external designs. It uses .


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