Renesas Electronics ISL91127IRAZ-T7A, 1 Buck Boost, Voltage Regulator 2.1A, 1 → 5.2 V, 2.5 MHz 20-Pin, QFN-20

The Renesas Electronics a high-current buck-boost switching regulator for systems using new battery chemistries. Tt uses 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 voltage.

I2C interface
Fully protected for short-circuit, over-temperature and under voltage
20 Ld 4mmx4mm QFN package
Accepts input voltages above or below regulated output voltage
Automatic and seamless transitions between buck and boost modes

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