LTC4234IWHH#TRPBF

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LTC4234IWHH#TRPBF is a Hot Swap controller designed to enable a safe power supply for boards and devices by eliminating potentially damaging hot-swapping events. Hot swapping is the process of exchanging or unplugging power connections while the power is on. Without hot swap protection, the connection shorts or disconnects could damage the hot swapped device or the power supply, leading to system failure and damage. With LTC4234IWHH#TRPBF, hot swapping can be safely implemented by providing two protection features. The current-sensing feature monitors the current being drawn by the hot swapped device, allowing the hot swap controller to shut down the current when it exceeds the maximum limit and protect the board. The second protection feature is the overvoltage protection, which monitors and measures the input voltage and will shut it off if it exceeds the safe threshold of the connected device and protects it from excessive voltages.

Besides above outstanding protections, LTC4234IWHH#TRPBF also provides a built-in powercontrol for LEDs through output drivers, eliminating the need for external components. It has an adjustable supply voltage feature that can be adjusted from 1.5V to 20V for maximum flexibility. Furthermore, it has a wide operating range and low standby current, making it an ideal choice for low power applications.

LTC4234IWHH#TRPBF works by monitoring the input voltage of the system and when the voltage exceeds the operating voltage of the hot swapped device, shutdown is initiated and the system will stop supplying power to the device. The overvoltage monitoring is done using an internal overvoltage circuit that compares the monitor voltage to the internal reference voltage and triggers a shutdown if the voltage is higher than the internal reference voltage.

The current-sensing feature of the LTC4234IWHH#TRPBF operates by measuring the current draw of the device being hot swapped. When the current limit is exceeded, the hot swap controller will shut down the power to protect the connected device from excessive current load. There is also an adjustable current limit, allowing users to set the maximum current of the system.

In addition, to ensure safe operation, LTC4234IWHH#TRPBF has built-in ESD protection to protect hot swapped devices and prevent damage to the power supply due to ESD events. The ESD protection is provided with four diodes connected in series, which helps protect the power supply against ESD events with Human-Body Model (HBM) assessments ratings that exceed the IEC-61000-4-2 Level 4. Furthermore, the device is capable of withstanding an input overvoltage of up to 40V, making it suitable for even high voltage applications.

LTC4234IWHH#TRPBF is ideal for applications in data centers, medical devices and industrial automation where maximum power reliability is required. It can also be used in telecommunication applications that require hot swap protection and enhanced current handling capability. It is designed to be a low-cost, seamless solution for hot swap solutions, as it does not require any additional components for operation.

In summary, LTC4234IWHH#TRPBF is a Hot Swap controller designed to protect sensitive networks by providing two protection features: current-sensing and overvoltage protection. It also comes with built-in power-saving LEDs and adjustable supply voltage, making it ideal for low power applications. With its wide operating range, low standby current and ESD protection, LTC4234IWHH#TRPBF is a great choice for hot swap solutions that require maximum power reliability.

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