ISL91127IR - High Efficiency Buck-Boost Regulator

Renesas

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Datasheet Details

Part number	ISL91127IR
Manufacturer	Renesas
File Size	1.01 MB
Description	High Efficiency Buck-Boost Regulator
Datasheet	ISL91127IR-Renesas.pdf

ISL91127IR Product details

Description

PIN # PIN NAMES DESCRIPTION 6, 7, 8, 9 PVIN Power input.Range: 1.8V to 5.5V.Connect 2x10μF capacitors to PGND.4, 5 LX1 Inductor connection, input side 3 PGND Power ground for high switching current 1, 2 LX2 Inductor connection, output side 17, 18, 19, 20 VOUT Buck-boost regulator output.Connect 2x22μF capacitors to PGND.12 MODE Logic input, HIGH for auto PFM mode.LOW for forced PWM operation.Also, this pin can be used with an external clock sync input.Range: 2.75MHz t

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).
High efficiency: up to 96%.
30µA quiescent current maximizes light-load efficiency.
2.5MHz switching frequency minimizes external component size.
Fully protected for short-circuit, over-temperature and undervol.

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Published: Jun 18, 2019 |