2.5MHz/1.5MHz Step-Down Converters With 60m? Bypass In TDFN For CDMA PA Power

The MAX8581 MAX8582 high-frequency Step-down converters are optimized for dynamically powering the power Amplifier (PA) in CDMA handsets. They integrate a high-efficiency PWM Step-down converter for medium- and low-power transmission and a 60m (typ) bypass mode to power the PA directly from the battery during high-power transmission. They use an Analog input driven by an external DAC to control the output voltage linearly for continuous PA power adjustment. The MAX8581 MAX8582 use an internal feedback network, and the switching frequency is internally set to 2.5MHz and 1.5MHz, respectively. Fast switching (up to 2.5MHz) and fast soft-start allowthe use of ceramic 2.2F input and output capacitors while maintaining low voltage ripple. The small 1.5H to 3.3H inductor size CAN be optimized for efficiency. The MAX8581 MAX8582 are available in 10-pin, 3mm x3mm TDFN packages (0.8mm max height).
By Maxim Integrated Products
MAX8581 's PackagesMAX8581 's pdf datasheet
MAX8581ETB QFN
MAX8581ETBT QFN




MAX8581 Pinout, Pinouts
MAX8581 pinout,Pin out
This is one package pinout of MAX8581,If you need more pinouts please download MAX8581's pdf datasheet.

MAX8581 Application circuits
MAX8581 circuits
This is one application circuit of MAX8581,If you need more circuits,please download MAX8581's pdf datasheet.


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