1 Features

• Synchronous buck converter (VDD2)

– Input voltage range: 4.5V to 24V

– Output voltage fixed at 1.065V

– D-CAP3™ control mode for fast transient response

– Continual output current: 8A

– Eco-mode for advanced pulse skipping

– Integrated 22mΩ / 8.6mΩ RDS(on) internal power switch

– 600kHz switching frequency

– Internal soft start: 1.6ms

– Cycle-by-cycle overcurrent protection

– Latched output OV/UV protections

• Synchronous buck converter (VDD1)

– Input voltage range: 3V to 5.5V

– Output voltage fixed at 1.8V

– D-CAP3 control mode for fast transient response

– Continual output current: 1A

– Eco-mode for advanced pulse skipping

– Integrated 150mΩ /120mΩ RDS(on) internal power switch

– 580kHz switching frequency

– Internal soft start: 1ms

– Cycle-by-cycle overcurrent protection

– Latched output OV/UV protections

• Built-in 500mV, 1.5A LDO (VDDQ)

– Output voltage fixed at 500mV

– 1.5A continual output current

– Requires only 10μF of ceramic output capacitor

– Support high-Z in S3

• Low quiescent current: 150μA

• Power-good indicator

• Output discharge function

• Power up and power down sequencing control

• Non-latch for OT and UVLO protections

• 18-pin 3.0mm × 3.0mm HotRod™ VQFN package