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LTC4210-1 and -2
Hot Swap Controller in 6-Lead SOT-23 Package
Overview
Features and Benefits
- Allows Safe Board Insertion and Removal from a Live Backplane
- Adjustable Analog Current Limit with Circuit Breaker
- Fast Response Limits Peak Fault Current
- Automatic Retry or Latch Off On Current Fault
- Adjustable Supply Voltage Power-Up Rate
- High Side Drive for External MOSFET Switch
- Controls Supply Voltages from 2.7V to 16.5V
- Undervoltage Lockout
- Adjustable Overvoltage Protection
- Low Profile (1mm) SOT-23 (ThinSOT™) Package
Product Details
The LTC4210 is a 6-pin SOT-23 Hot Swap™ controller that allows a board to be safely inserted and removed from a live backplane. An internal high side switch driver controls the GATE of an external N-channel MOSFET for a supply voltage ranging from 2.7V to 16.5V. The LTC4210 provides the initial timing cycle and allows the GATE to be ramped up at an adjustable rate.
The LTC4210 features a fast current limit loop providing active current limiting together with a circuit breaker timer. The signal at the ON pin turns the part on and off and is also used for the reset function.
This part is available in two options: the LTC4210-1 for automatic retry on overcurrent fault and the LTC4210-2 for latch off on an overcurrent fault.
| Vin Range | Retry / Latchoff | |
| LTC4210-1 | 2.7V to 16.5V | Retry After Fault |
| LTC4210-2 | 2.7V to 16.5V | Latch Off After Fault |
| LTC4210-3 | 2.7V to 7V | Retry After Fault |
| LTC4210-4 | 2.7V to 7V | Latch Off After Fault |
Applications
- Hot Board Insertion
- Electronic Circuit Breaker
- Industrial High Side Switch/Circuit Breaker
Product Categories
Product Lifecycle
Recommended for New Designs
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
Evaluation Kits (1)
Documentation
Reliability Data (1)
User Guides (1)
Tools & Simulations
LTspice
LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.
To launch ready-to-run LTspice demonstration circuits for this part:
Step 1: Download and install LTspice on your computer.
Step 2: Click on the link in the section below to download a demonstration circuit.
Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.
Models for the following parts are available in LTspice:
Reference Materials
Product Selector Card (1)
Technical Articles (2)
Design Resources
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Sample & Buy
The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.