LTC4231HMS-1#PBF

Programmable Features:	Circuit Breaker, Current Limit, Fault Timeout, OVP, Slew Rate, UVLO
Base Part Number:	LTC4231
Feature Pins:	GNDSW, OV, SENSE, /SHDN, STATUS, TIMER, UVL, UVH
Supplier Device Package:	12-MSOP
Package / Case:	12-TSSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Current - Supply:	4µA
Operating Temperature:	-40°C ~ 125°C
Current - Output (Max):	--
Voltage - Supply:	2.7 V ~ 36 V
Series:	--
Features:	Latched Fault
Applications:	General Purpose
Internal Switch(s):	No
Number of Channels:	1
Type:	Hot Swap Controller
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

LTC4231HMS-1#PBF Application Field and Working Principle

PMIC (power management integrated circuit) Hot Swap Controllers are a set of specialized and compact chip devices that provide improved efficiency and reliability during hot swap operations. This article will focus on the application field and working principle of the LTC4231HMS-1#PBF device.LTC4231HMS-1#PBF is an adjustable current-limit Hot Swap controller developed by Linear Technology Corporation (LTC). It is designed for insertion and removal of live cards from a powered system operating at 5V to 28V. The device has multiple features including supply-voltage monitoring, current limiting, and power-good flagging. Additionally, it is built using a low-RDS(ON) n-channel MOSFET pass transistor, and integrates a number of other features to help optimize system design and operation.The key feature of LTC4231HMS-1#PBF is that it provides inrush-current control, which limits the current surge during card insertion. This helps avoid over-current damage to both the PCB and the live cards due to hot-swap operations. It also offers adjustable foldback current limiting and power-good sequencing during hot-swap operations.The LTC4231HMS-1#PBF is suited for a wide range of applications, such as telecom, telecom/ datacom, computing, consumer electronics, automotive, and industrial systems. As such, the device is suitable for use in applications that require redundant power sources or hot-swappable PCBs.The working principle of the LTC4231HMS-1#PBF is fairly straightforward. It is designed with a set of internal analog and timing circuits that help control supply-voltage monitoring, current limiting, and power-good flagging. The device features a logic-controlled “Enable” pin that allows for manual insertion and removal of a card into/from the powered system via a transistor switch.For power-good sequencing, LTC4231HMS-1#PBF features an active-low logic flag out output which indicates the card is ready for operation. This output can be used to control the enabling circuit of the powered system, allowing the user to monitor and regulate card operations.For current limiting, the device supports adjustable-level foldback current limit maximums. This helps avoid over-current damage by reducing the current draw in case of excessive load.In order to provide optimum design flexibility, the device also supports adjustable blanking times. This allows the user to set the time period for inrush current limiting of the connected power supply.Overall, the LTC4231HMS-1#PBF is a versatile, highly efficient and accurate Hot Swap controller that provides a reliable and safe hot-swap solution for multiple application fields. It offers adjustable foldback current limiting and power-good sequencing, as well as other features, to ensure optimum design flexibility and reliability. With its range of features, the device is ideal for applications that require redundant power sources or fast-swapping of PCBs, such as those in telecom, computing and automotive systems.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description