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Global Mixed-mode Technology Inc.
G5302
650mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers
Features
z 2 MHz PWM Switching Frequency. z 2.7V ~ 5.5V Input Voltage Operation. z 0.8V ~ 3.6V Adjustable Output Voltage. z 25µs Output Voltage Transient from 0.8V to
3.4V. z 650mA Maximum load capability. z 95% Efficiency DC/DC Converter. z Cycle-by-Cycle current limit for DC/DC Con-
verter z Built-In Thermal Shutdown Function. z Built-In Input Voltage UVP Function. z 9-pin micro SMD Package.
Applications
z Cellular Phones z Hand-Held Radios z RF PC Cards z Battery Powered RF Devices
General Description
The G5302 is a Synchronous Buck Converter, steps down an input voltage in the range from 2.7V to 5.5V to an adjustable output voltage of 0.8V to 3.6V.