ISL91110 Overview
DATASHEET ISL91110 High Efficiency Buck-Boost Regulator with 4.5A Switches FN8434 Rev 4.00 February 5, 2016 The ISL91110 is a high-current buck-boost switching regulator for systems using new battery chemistries. It uses Intersil’s proprietary buck-boost algorithm to maintain voltage regulation while providing excellent efficiency and very low output voltage ripple when the input voltage is close to the output...
ISL91110 Key Features
- Accepts input voltages above or below regulated output voltage
- Automatic and seamless transitions between buck and boost modes
- Input voltage range: 1.8V to 5.5V
- Output current: up to 2A (PVIN = 2.5V, VOUT = 3.3V)
- Burst current: up to 3A (PVIN = 3V, VOUT = 3.3V, tON <
- High efficiency: up to 96%
- 35µA quiescent current maximizes light-load efficiency
- 2.5MHz switching frequency minimizes external ponent
- Fully protected for short-circuit, over-temperature, and
- Small 2.33mmx2.07mm WLCSP