• 2.7V to 5.5V input voltage range

• 2MHz default switching frequency

• 100ns guaranteed phase minimum on time for wide output

regulation

• Adjustable switching frequency from 500kHz to 4MHz

• External synchronization from 1MHz to 4MHz

• Optional PFM mode for light-load efficiency improvement

• Very low ON-resistance HS/LS switches: 35mΩ/11mΩ

• Internal 1ms or adjustable external soft-start

• Soft-stop output discharge during disable

• OTP, OCP, output OVP, and input UVLO protections

• 1% reference accuracy over-temperature

• Up to 95% efficiency

• AEC-Q100 qualified

• Common pinout family allows migration from 3A to 5A

without PCB change:

- ISL78233 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3A

- ISL78234 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A

- ISL78235 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5A