LTC3458EDE#TRPBF

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LTC3458EDE#TRPBF Application Field and Working Principle

LTC3458EDE#TRPBF is a DC/DC switching regulator from Linear Technology Corporation (LTC), which is specialized in developing and producing high-performance analog and mixed-signal chips. LTC3458EDE#TRPBF is classified as a Power Management Integrated Circuit (PMIC) - Voltage Regulators - DC/DC Switching Regulators.

LTC3458EDE#TRPBF is an integrated dual-channel buck or boost converter. It is an efficient, low-noise voltage regulation type regulator that is suitable for point-of-load applications. It features an input voltage range of 2.2V to 5.5V and output voltage range of 0.6V to 5.5V. The regulator offers adjustable output current of up to 6A per channel. The device is designed to be used in high-efficiency applications such as those used in high-end communications, digital computing and industrial fan control.

The LTC3458EDE#TRPBF is suitable for voltage step-down (buck) or step-up (boost) applications. The device can also be connected in a synchronous dual buck configuration to reduce the input voltage drop. The device’s built-in compensation simplifies the design and reduces external component count. The device has a low quiescent current of only 60 μA in normal operation mode, ensuring low power consumption.

The LTC3458EDE#TRPBF features output voltage sampling states and internal adaptive loop compensation, whichresults in stable output voltage and lower output voltage ripple. The device also features internal protection circuitry that includes short-cycle protection and short-circuit protection, as well as over-temperature protection.

In order to enable precise voltage regulation, LTC3458EDE#TRPBF provides precise adjustment of the output voltage via an external reference voltage. The output voltage of the device can be adjusted by varying the external reference voltage through an external resistor network. The device also features cycle-by-cycle current limiting, and pulse-by-pulse current limiting using an external resistor.

The LTC3458EDE#TRPBF also provides adjustable soft-start and adjustable soft-stop to ensure a smooth start-up and shut-down of the regulator. The device also supports a low-battery indicator output to alert users when the battery level drops below a certain threshold.

In order to ensure thermal protection for each chip, LTC3458EDE#TRPBF provides thermal shutdown with hysteresis. The device also supports power good output with adjustable delay time, and programmable fault protection.

With its integrated protection features and efficient operation, LTC3458EDE#TRPBF is an ideal choice for various point-of-load applications that require precise voltage regulation. It is suited for use in communications, computing, consumer electronics, industrial and automotive applications.

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