ISL78228 Description
DATASHEET ISL78228 Dual 800mA Low Quiescent Current 2.25MHz High Efficiency Synchronous Buck Regulator FN7849 Rev 4.00 February 26, 2016 The ISL78228 is a high efficiency, dual synchronous step-down DC/DC regulator that can deliver up to 800mA continuous output current per channel. The supply voltage range of 2.75V to 5.5V allows for the use of a 3.3V or 5V input. The current mode control architecture enables very...
ISL78228 Key Features
- Internal current mode pensation
- 100% maximum duty cycle for lowest dropout
- Selectable forced PWM mode and PFM mode
- External synchronization up to 4MHz
- Start-up with prebiased output
- Soft-stop output discharge during disable
- Internal digital soft-start
- Power-good (PG) output with 1ms delay
- AEC-Q100 qualified
- Pb-free (RoHS pliant)