Si88440 Datasheet Quad Digital Isolators

Manufacturer: Silicon Laboratories

Overview: Si88x4x QUAD DIGITAL ISOLATORS WITH DC-DC CONVERTER.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Datasheet Details

Part number	Si88440
Manufacturer	Silicon Laboratories
File Size	962.49 KB
Description	QUAD DIGITAL ISOLATORS
Datasheet	Si88440 Si88240 Datasheet (PDF)

General Description

The Si88xx integrates Silicon Labs’ proven digital isolator technology with an on-chip isolated dc-dc converter that provides regulated output voltages of 3.3 or 5.0 V (or >5 V with external components) at peak output power levels of up-to 2 W.

These devices provide up-to four digital channels.

The dc-dc converter has user-adjustable frequency for minimizing emissions, a soft-start function for safety, a shut-down option and loop compensation.

Key Features

High-speed isolators with.
Highly-reliable: 100 year lifetime integrated dc-dc converter.
High electro-magnetic immunity.
Fully-integrated secondary sensing and ultra-low emissions feedback-controlled converter with.
RoHS compliant packages dithering for low EMI.
SOIC-20 wide body.
dc-dc converter efficiency of 78%.
Isolation of up to 5000 Vrms.
Up to 2 W isolated power with.
High transient immunity of integrated power switches 100 k.

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