LTC4307IMS8#PBF

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LTC4307IMS8#PBF

IC ACCELERATOR I2C HOTSWAP 8MSOP

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Especificaciones

Supplier Analog Devices Inc.
Package Tube
ProductStatus Active
Type Buffer, Accelerator
Applications I²C - Hotswap
Input 2-Wire Bus
Output 2-Wire Bus
DataRate(Max) 400kHz
NumberofChannels 2
Capacitance-Input 10 pF
Voltage-Supply 2.3V ~ 5.5V
Current-Supply 8mA
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

Descripción general

Description

The LTC4307IMS8#PBF is the lead-free (Pb-free) MSOP-8 version of Linear Technology’s LTC4307 device. It is an I2C/SMBus bus buffer, level shifter, and protection device that bridges two I2C buses across different supply rails while providing isolation and fault protection. Key ideas: two bidirectional I2C channels, current-limited paths, protection against short-circuits and hot-swap faults, and automatic level translation to keep devices on separate power domains safe. It’s commonly used to interface microcontrollers with I2C devices on another voltage domain, protect buses during hot-plug, and improve noise immunity in mixed-voltage systems. The IMS8 designation indicates the MSOP-8 package, and PBF confirms Pb-free packaging. For exact electrical characteristics, timing, and connection details, consult the LTC4307 data sheet.

Features

Key features of LTC4307IMS8#PBF (8-pin, Pb-Free):
- I2C bus power switch with hot-swap protection for safe plug-in/out
- Programmable current limit for overcurrent/short-circuit protection
- Enable/disable control via I2C interface
- Fault/status reporting accessible through I2C and/or dedicated flag pin
- Reverse-current protection and overvoltage protection
- Slew-rate control for controlled turn-on and turn-off
- Wide compatibility with common logic levels; suitable for SMBus/I2C apps
- 8-pin MSOP package (IMS8); Pb-free (PBF)
- Typical low quiescent current and robust protection for rugged board operation
Note: For exact electrical specs (voltage ranges, current-limit values, timing, and pinout), please refer to the LTC4307 datasheet.

Package

LTC4307IMS8#PBF is supplied in an 8‑lead MSOP (MS8) package. The “#PBF” denotes it is Pb‑free (RoHS compliant).

Pinout

Pin count: 8 pins (MSOP‑8 package).
Function (concise): The LTC4307 is an I2C/SMBus bidirectional buffer and hot‑swap/isolator device for SDA and SCL lines. It sits between two I2C bus segments and provides controlled, bidirectional pass‑through of open‑drain signals, glitch‑free connect/disconnect during hot‑plug events, and protection/isolation so one segment can be powered or faulted without corrupting the other.

Manufacturer

Manufacturer: Linear Technology Corporation (brand now part of Analog Devices, Inc.).
What kind of company: a semiconductor company that designs and manufactures analog and mixed‑signal integrated circuits (power management, data converters, amplifiers, interface/I²C products, etc.).

Application

Applications: I2C/SMBus bus isolation and level translation in mixed‑voltage systems; hot‑swap and back‑power protection for I2C peripherals; fault‑tolerant I2C interface in automotive, industrial and consumer electronics; EMI/noise suppression on long or multi‑board I2C busses; protection for microcontrollers and sensors during power sequencing and when devices are unpowered.

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