LTM2884 Datasheet PDF | Linear Technology

Linear Technology LTM2884

The LTM2884 is ideal for isolation in host, hub, bus splitter or peripheral device applications. It is compatible with USB 2.0 full speed (12Mbps) and low speed (1.5Mbps) operation. The isolator µModule technology uses coupled inductors and an isolated power transformer to provide 2500VRMS of isolation between the upstream and downstream USB interface.

Part No.	LTM2884
Datasheet	LTM2884 Download
Manufacturer	Linear Technology
Description	Isolated USB Transceiver
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FEATURES

Isolated USB Transceiver: 2500VRMS for 1 Minute n USB 2.0 Full Speed and Low Speed Compatible n Integrated Isolated DC/DC Converter, External or Bus Powered n Auto-Configuration of Bus Speed n 2.5W (500mA at 5V) Output Power from External Input Supply (VCC = 8.6V to 16.5V) n 1W (200mA at 5V) Output Power from USB Bus Supply (VBUS) n 3.3V LDO Output Supply Signal References V , V LO LO2 n High Common Mode Transient Immunity: 30kV/μs n ESD: ±15kV HBM on USB Interface Pins n 15mm × 15mm × 5mm Surface Mount BGA Package n

DESCRIPTION

The LTM®2884 is a complete galvanically isolated USB 2.0 compatible μModule® (micromodule) transceiver. An upstream supply powers both sides of the interface through an integrated, isolated DC/DC converter. Automatic speed selection configures integrated pull-up resistors on the upstream port to match those sensed on the downstream device. This device is ideal for systems requiring isolated ground returns or large common mode voltage variations. Uninterrupted communication is guaranteed for common mode transients greater than 30kV/μs.