Features
• Triple output 2+1+1 phases (ISL91211AIK) or quad
output, four single phases (ISL91211BIK)
• 2.7V to 5.5V supply voltage
• 5A per phase peak current capability
• Small solution size (for four phase design)
• High efficiency (92.2%, L = 220nH for
3.8VIN/1.8VOUT)
• Low IQ in low power mode
• Proprietary control scheme reduces output
capacitor and supports fast load transient (such as
>50A/μs per phase)
• ±0.7% system accuracy, remote voltage sensing
• I2C programmable output from 0.3V to 2V
• Independent Dynamic Voltage Scaling (DVS) for
each output
• Soft-start and fault detection (UV, OV, OC, OT),
short-circuit protection
• 4.70mmx6.30mm 35 ball BGA with 0.8mm pitch
Applications
• Industrial controls and FPGAs
• Computing servers and systems
• Home gateways and appliances