Power

RF6650 Power Management IC

2nd November 2011
ES Admin
0
The RF6650 is a pulse-width modulated, voltage-mode controlled DC-DC converter unit designed to supply power to W-CDMA power amplifiers. The output voltage is continuously programmable through the VSET analog input pin.
The converter has been optimized for high efficiency at light current load conditions, fast transient response times to meet W-CDMA 25µs slot-to-slot transition specifications, and low noise by maintaining a constant switching frequency, while supplying up to 650mA in PWM-controlled or bypass modes.

Features
• Efficiency > 95%
• Transient Response < 25ms
• 650mA Load Current Capability
• Programmable Output Voltage
• Bypass FET
• Constant Switching Frequency

Applications
• W-CDMA Handsets


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