LP5551
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SNVS417B – DECEMBER 2006 – REVISED APRIL 2013
LP5551 PowerWise™ Technology Compliant Energy Management Unit
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FEATURES
1
•23 2 300 mA Buck Regulators Operate 180 Degrees out of Phase for Reduced EMI
• 1 MHz PWM Switching Frequency • 4 Programmable LDOs Ideal for I/O (Two of
These), PLL, and Memory Retention Supply Generation • Supports High-Efficiency PowerWise Technology Adaptive
Voltage Scaling • PWI Open Standard Interface for System Power Management • Digitally Controlled Intelligent
Voltage Scaling • Auto or PWI Controlled PFM Mode Transition • Internal Soft Start/Startup Sequencing • Adjustable P- and N- Well Bias Supply for Threshold Scali...