LP5553
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SNVS544E – FEBRUARY 2009 – REVISED MARCH 2013
LP5553 PowerWise® AVS Energy Management Unit with SPMI
Check for Samples: LP5553
FEATURES
1
•2 SPMI Bus for System-Level Power Management
• High-Efficiency PowerWise® Technology Adaptive Voltage Scaling for Intelligent Energy Management in AVS and DVS Environments
• Two Digitally Programmable 3.
6 MHz Buck
Regulators to Power Dual Voltage Domains
• Five Programmable LDOs for System Functions Such as: – PLL/Clock Generation – I/O – Memory Retention
• Internal Soft Start • Variable
Regulator Power Up Sequencing.
KEY SPECIFICATIONS
• Input Voltage Range: 2.
7 to 4.
8V • Output Voltage Range: ±2% (typical) • Programmable DC/DC Buck ...