DATASHEET
ISL9120
Compact High Efficiency Low Power Buck-Boost
Regulator
FN8659 Rev.
3.
00 Nov 29, 2018
The ISL9120 is a highly integrated buck-boost switching
regulator that accepts input voltages either above or below the regulated output voltage.
This
regulator automatically transitions between buck and boost modes without significant output disturbance.
The ISL9120 also has automatic bypass functionality.
When the input voltage is generally within 1% to 2% of the output voltage, there will be a direct bypass connection between the VIN and VOUT pins.
In addition to the automatic bypass functionality, the ISL9120 also has forced bypass functionality with the use of the BYP pin.
This devic...