ISL91127 - High Efficiency Buck-Boost Regulator

Renesas

The ISL91127 by Renesas is a High Efficiency Buck-Boost Regulator. Below is the official datasheet preview.

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ISL91127 High Efficiency Buck-Boost Regulator by Renesas - Datasheet Preview — Official preview page of the **ISL91127** High Efficiency Buck-Boost Regulator datasheet (Renesas).

Datasheet Details

Part number	ISL91127
Manufacturer	Renesas
File Size	1.50 MB
Description	High Efficiency Buck-Boost Regulator
Datasheet	ISL91127-Renesas.pdf
Additional preview pages of the ISL91127 datasheet.

ISL91127 Product details

Description

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 connection, output side E1, E2, E3 VOUT Buck-boost regulator output.Connect 2x22μF capacitors to PGND.C3 MODE Logic input, HIGH for auto PFM mode.LOW for forced PWM operation.A4 VIN Supply input.Range: 1.8V to 5.5V.B4 EN Logic input,

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.
Continuous output current: up to 2.1A (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.

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Published: Jun 18, 2019 |