ISL91107 regulator equivalent, high efficiency buck-boost regulator.
* Accepts input voltages above or below regulated output voltage
* Automatic and seamless transitions between Buck and Boost modes
* Input voltage range: 1.8V.
and supports 3.3V fixed output voltages or variable output voltages with an external resistor divider. Output voltages a.
PIN # PIN NAMES
DESCRIPTION
A1, A2
PVIN
Power input. Range: 1.8V to 5.5V. Connect 22µF capacitor to PGND.
A3
VIN Supply input. Range: 1.8V to 5.5V.
B1, B2 LX1 Inductor connection, input side.
B3
EN Logic input for enable. Drive HIGH to ena.
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