LTC4230CGN

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LTC4230CGN

IC HOT SWAP CTRLR GP 20SSOP

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  • Mfr. Partie #LTC4230CGN
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Spécifications

Part Status Discontinued at DigiKey
Base Product Number LTC4230
Type Hot Swap Controller
Number of Channels 3
Internal Switch(s) No
Applications General Purpose
Programmable Features Auto Retry, Current Limit, Fault Timeout, Latched Fault, OVP, Slew Rate, UVLO
Voltage - Supply 1.7V ~ 16.5V
Operating Temperature 0°C ~ 70°C
Current - Supply 1.8 mA
Mounting Type Surface Mount
Package 20-SSOP (0.154", 3.90mm Width)
Supplier Device Package 20-SSOP
Packaging Tube

Vue d'ensemble

Description

The LTC4230CGN is a high-side hot‑swap controller from Linear Technology (now Analog Devices) that protects a board when it is connected to a live power rail. It drives an external N‑channel MOSFET to limit inrush current and protect against faults. Key features: adjustable current limit via a sense resistor, soft‑start to tame inrush, undervoltage and overvoltage protection, overcurrent protection, thermal shutdown with latch, a fault/status signal, and a RUN/SHDN enable input. It’s intended for hot‑swap protection on servers, telecom gear, storage drives, PCIe cards, and other power‑railized applications. The CGN suffix indicates the package type (8‑lead plastic package, MSOP/SOIC family) and the device grade. For exact electrical specs, pinout, and application notes, see the LTC4230 datasheet.

Features

Key features of LTC4230CGN (hot-swap controller):
- High-side hot-swap control with programmable current limit and soft-start to limit inrush
- Drives an external N‑channel MOSFET as the pass element
- Adjustable overcurrent/short-circuit protection with fault latch
- Undervoltage and overvoltage protection (UVLO/OVLO) for safe startup and operation
- Fault and status signaling outputs for system monitoring (open-drain/logic outputs)
- Enable/shutdown input to force off or on
- Inrush-control and protection against adverse transients; suitable for backplane telecom/industrial rails
- Wide operating input range and robust performance over temperature
- RoHS-compliant CGN package for compact PCB integration
Note: Exact electrical specs (voltage range, current-limit range, timings) are set by external components per the datasheet.

Package

LTC4230CGN is in an 8‑lead MSOP package (MSOP-8, ~3×3 mm), RoHS-compliant.

Pinout

- Pin count: 16 pins (16-lead package, e.g., SSOP/TSSOP) for LTC4230CGN.
- Function: High-side hot-swap controller with reverse-battery protection and current limiting. It senses load current (via sense resistor), programs the limit with IADJ, drives an external N-channel MOSFET (GATE), includes soft-start and undervoltage lockout, and provides a FAULT/STATUS output to indicate faults.

Manufacturer

Manufacturer: Analog Devices, Inc. (ADI). The LTC4230CGN originated from Linear Technology, which was acquired by Analog Devices in 2017; the LTC line is now part of ADI.
What kind of company: Analog Devices is a global semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing integrated circuits for automotive, industrial, communications, consumer, and other markets.

Application

Two-channel hot-swap controller for high-side switches.
- Inrush current limiting and soft-start for multi-rail power systems.
- Used in servers, telecom/networking equipment, storage and industrial control systems with backplanes and distributed power architectures.
- Provides current limit, fault protection and rail sequencing during module insertion/removal.

Equivalent

There isn’t an exact cross for LTC4230CGN. It’s a high‑side hot‑swap controller with current limit and protection. Closest substitutes from other vendors include TI TPS2460/TPS2461/TPS2463 and OnSemi NCP4300/NCP4310 families. Verify voltage/current ratings, protections, and pinout with a cross-reference tool (e.g., Digi-Key/Mouser) before selecting.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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