LTC4352IMS#PBF

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LTC4352IMS#PBF

+BOM

IC OR CTRLR N+1 12MSOP

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Specifications

Attribute Value
Package Tube
ProductStatus Active
Type N+1 ORing Controller
FETType N-Channel
Ratio-Input:Output N:1
InternalSwitch(s) No
DelayTime-ON 250 ns
DelayTime-OFF 200 ns
Current-Supply 1.4 mA
Voltage-Supply 2.9V ~ 18V
Applications Redundant Power Supplies, Telecom Infrastructure
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 12-TSSOP (0.118, 3.00mm Width)

Overview

Description

LTC4352IMS#PBF is a Linear Technology (now Analog Devices) dual MOSFET power-path controller. It forms a low-loss, ideal-diode/OR-ing path between a supply (or two supplies) and a load using two external N-channel MOSFETs, with automatic reverse-current blocking, soft-start, and current-limit protection for hot-swap and redundant power architectures.
Key ideas:
- Drives external FETs to create a protected, lossless power path with reverse-blocking
- Provides current-limiting and inrush/overcurrent control
- Suitable for battery backup, redundant supplies, and power-path OR-ing
Package and suffix:
- IMS denotes the MSOP-8 (small-outline) package option
- #PBF indicates Pb-free, RoHS-compliant manufacturing
Typical use: telecoms, servers, or embedded systems needing safe switchover between power sources without back-feeding.
For exact pinout, electrical specs, and schematic examples, consult the LTC4352 datasheet.

Features

Concise features of LTC4352IMS#PBF:
- Dual ideal-diode/ORing controller using back-to-back MOSFETs for two input sources
- Bidirectional reverse-current protection with low-loss, fast response
- Per-channel current limit and short-circuit protection
- Overvoltage protection and undervoltage lockout
- Thermal shut-down protection
- Enable/disable control for every channel
- Pb-free, RoHS-compliant 8‑pin MSOP (IMS) package (PBF variant)
Note: Designed for power-path management with auto on/off behavior and protection suitable for automotive/industrial use.

Pinout

- Pin count/package: 8 pins (MSOP-8, IMS).
- Function: LTC4352 is a high-side hot-swap controller with current limiting and reverse-polarity protection. It drives an external N-channel MOSFET to limit inrush, protect against short-circuits/overcurrent, and manage the power path for a single supply.

Manufacturer

- Manufacturer: Linear Technology (LTC), now a part of Analog Devices, Inc. (ADI).
- Company type: A semiconductor company that designs and manufactures analog and mixed-signal integrated circuits.

Application

The LTC4352IMS#PBF is a dual power-path controller with hot-swap, current limit, and ideal-diode (OR-ing) protection for two input sources feeding a common load. Typical applications include:
- Redundant power paths and seamless switchover for telecom, data-center, and industrial equipment
- Hot-swap/inrush protection for boards and racks
- Current limiting and short-circuit protection of power rails
- Reverse-current protection to prevent backfeeding between sources
- Automotive/industrial power management with transient protection
- Battery-backup/UPS front ends and energy-harvesting (solar) systems
Designed for reliable, protected dual-source power routing in harsh environments.

Package

MSOP-8 package (8-lead, 3×3 mm) in a Pb‑free version. Specifically, LTC4352IMS#PBF uses an MSOP‑8 plastic package with Pb‑free (PBF) compliance.

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