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LTM2884 Datasheet

LTM2884 Datasheet

Isolated USB Transceiver with Isolated Power
Part No.: LTM2884
Page: 24 Pages
Size: 1838 KB
Manufacturer: Linear Technology
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Update Time: 2024-12-11 21:27:36
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LTM2884 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LTM2884CY#PBF Tray 119 LTM2884Y 4 44 0°C ~ 70°C 44-Lead BGA (15mm x 15mm x 5.02mm)  
LTM2884IY#PBF Tray 119 LTM2884Y 4 44 -40°C ~ 85°C 44-Lead BGA (15mm x 15mm x 5.02mm)  
LTM2884HY#PBF Tray 119 LTM2884Y 4 44 -40°C ~ 105°C 44-Lead BGA (15mm x 15mm x 5.02mm)  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LTM2884 Datasheet(PDF)

LTM2884 Datasheet(Picture)

LTM2884 Features

  • LTM2884: 2500VRMS for 1 Minute
  • LTM2884(a): 3000VRMS for 1 Minute
  • LTM2884: UL Recognized File #E151738
  • LTM2884(a): CSA Recognized File #255632
  • USB 2.0 Full Speed and Low Speed Compatible
  • Integrated Isolated DC/DC Converter, External or Bus Powered
  • Auto-Configuration of Bus Speed
  • 2.5W (500mA at 5V) Output Power from External Input Supply (VCC = 8.6V to 16.5V)
  • 1W (200mA at 5V) Output Power from USB Bus Supply (VBUS)
  • 3.3V LDO Output Supply Signal References VLO, VLO2
  • High Common Mode Transient Immunity: 30kV/μs
  • ESD: ±15kV HBM on USB Interface Pins
  • 15mm × 15mm × 5mm Surface Mount BGA Package

LTM2884 Applications

  • Isolated USB Interfaces
  • Host, Hub, or Device Isolation
  • Industrial/Medical Data Acquisition

LTM2884 Description

The LTM2884 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.

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. Automatic speed selection configures integrated pull-up resistors on the upstream port to match those sensed on the downstream device.

The isolator μModule technology uses coupled inductors and an isolated power transformer to provide isolation between the upstream and downstream USB interface. 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.

Enhanced ESD protection allows this part to withstand up to ±15kV (human body model) on the USB transceiver interface pins to local supplies and ±15kV through the isolation barrier to supplies without latch-up or damage.

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