ISL91127 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.
with a fixed 3.3V or 3.5V output voltage or adjustable output voltage with an external resistor divider. Output voltages.
PIN # PIN NAMES
DESCRIPTION
A1, A2, A3
PVIN
Power input. Range: 1.8V to 5.5V. Connect 2x10μF capacitors to PGND.
B1, B2, B3
LX1
Inductor connection, input side
C1, C2
PGND Power ground for high switching current
D1, D2, D3
LX2
Inductor .
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