LT4320HDD#TRPBF

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LT4320HDD#TRPBF

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Especificações

Atributo Valor
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Bridge Rectifier
FETType N-Channel
Ratio-Input:Output Bridge (1)
InternalSwitch(s) No
Current-Supply 1.5 mA
Voltage-Supply 9V ~ 72V
Applications General Purpose
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-WFDFN Exposed Pad

Visão Geral

Description

LT4320HDD#TRPBF is Linear Technology’s LT4320 hot‑swap controller with current‑limit and reverse‑current protection. It drives an external N‑channel MOSFET to protect a load rail during hot‑plug events or fault conditions, limiting inrush and blocking reverse current when the input is removed.
Key points:
- Provides current limiting (set by an ILIM resistor) and a soft‑start to tame inrush.
- Guards against faults with UVLO, overcurrent protection, and thermal shutdown.
- Drives a high‑side MOSFET to isolate the downstream circuit from the supply when needed.
- Useful for hot‑swap backplanes, power rails in servers/telecom, and industrial systems.
The suffix HDD refers to the package type, and #TRPBF denotes Tape‑and‑Reel Pb‑free packaging. For exact electrical specs (voltage range, typical current limit, timing, pinout) see the LT4320 datasheet and the device’s packaging documentation.

Features

LT4320HDD#TRPBF features (concise):
- High-side hot-swap controller to protect a live supply/backplane
- Drives an external N-channel MOSFET for controlled inrush
- Programmable current limit via sense resistor
- Slew-rate controlled turn-on (soft-start)
- Over-current protection with latch
- Over-voltage protection with UVLO
- Over-temperature protection
- Fault/Status output (diagnostic, latch capability)
- Robust protection against transients and faults
- Pb-free, RoHS-compliant in HDD package; Tape & Reel (TRPBF)
Note: For exact electrical specs (voltage range, current limit range, timing, pins), please refer to the datasheet.

Pinout

- Pin count: 8 pins (MSOP-8/SOIC-8 style package).
- Function: LT4320 is a high-side hot-swap controller with current-limit protection. It drives an external N-channel MOSFET to protect a load from inrush/overcurrent and short-circuit events, providing current limiting, fault indication, and soft-start features.

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI). ADI acquired Linear Technology, and LT-branded parts like LT4320 are now produced under ADI.
- Company type: A multinational semiconductor company that designs and manufactures analog, mixed-signal, and DSP integrated circuits for a wide range of industries.

Application

- Hot-swap protection and current limiting for DC rails in power supplies, backplanes, servers, telecom and networking equipment.
- Automotive and industrial power nets (12–48V) requiring reverse polarity, short-circuit and surge protection.
- Inrush-current limiting and soft-start for power converters and battery interfaces.
- Overvoltage and reverse-current protection for energy storage, solar/charger interfaces and UPS.
- Protection of sensitive loads in data centers and industrial control systems.
Note: LT4320HDD is a two-terminal surge stopper suitable for these protection and inrush-control applications.

Package

HDD is the package code for LT4320 in a 20‑lead TSSOP (Small Outline) package. The #TRPBF suffix denotes Pb‑free Tape & Reel packaging.

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