• Synchronous buck converter (VDD2)
– Input voltage range: 4.5 V to 18 V
– Output voltage fixed at 1.1 V
– D-CAP3™ mode control for fast transient
response
– Continual output current: 8 A
– Advanced Eco-mode™ pulse skip
– Integrated 22-mΩ / 8.6-mΩ RDS(on) internal
power switch
– 600-kHz switching frequency
– Internal soft start: 1.6 ms
– Cycle-by-cycle overcurrent protection
– Latched output OV/UV protections
• Synchronous buck converter (VDD1)
– Input voltage range: 3 V to 5.5 V
– Output voltage fixed at 1.8 V
– D-CAP3™ mode control for fast transient
response
– Continual output current: 1 A
– Advanced Eco-mode™ pulse skip
– Integrated 150-mΩ /120-mΩ RDS(on) internal
power switch
– 580-kHz switching frequency
– Internal soft start: 1 ms
– Cycle-by-cycle overcurrent protection
– Latched output OV/UV protections
• 1.5-A LDO (VDDQ)
– 1.5-A continual output current
– Requires only 10 μF of ceramic output
capacitor
– Support high-Z in S3
– ±30-mV VDDQ output accuracy (DC+AC)
• Low quiescent current: 150 µA
• Power good indicator
• Output discharge function
• Power up and power down sequencing control
• Non-latch for OT and UVLO protections
• 18-pin 3.0-mm × 3.0-mm HotRod™ VQFN package