ISL91110IR - High Efficiency Buck-Boost Regulator

Renesas

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Datasheet Details

Part number	ISL91110IR
Manufacturer	Renesas
File Size	715.16 KB
Description	High Efficiency Buck-Boost Regulator
Datasheet	ISL91110IR-Renesas.pdf

ISL91110IR 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 for VOUT = 3.3V and 3.5V applications, and 2x47µF capacitors to PGND for VOUT = 4.5V and 5V applications.12 MODE Logic input, HIGH for auto PFM mode.LOW

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 = 3.4V, VOUT = 5V).
Output current: up to 2A (PVIN = 2.5V, VOUT = 3.3V).
Burst current: up to 3A (PVIN = 2.9V, VOUT = 3.3V, tON < 600µs, t = 4.6ms).
High efficiency: up to 95%.
35µA quiescent current maximizes light load efficiency.

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Published: Jun 18, 2019 |