LTC1696ES6#TRPBF

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LTC1696ES6#TRPBF is a switchmode high-frequency step-down DC/DC power supply controller that integrate multiple power supply and power management functions. It is a 6-pin Power-over-Ethernet (PoE) Powered Device (PD) controller, which provides a high-performance, low-cost solution for PD applications. This device offers a wide range of features and is ideal for applications such as high-power PoE, telecom and industrial applications.

The LTC1696ES6#TRPBF belongs to PMIC - Power Supply Controllers, Monitors. It is designed to accept input voltages up to 57V and provide a +5V output voltage, capable of delivering up to 5A of output current. The device integrates a main start-up controller (START) the high-side MOSFET (HSM) driver, the low-side MOSFET (LSM) driver, the regulator controller, and the isolated analog power input (IAP). The device also features an integrated clock oscillator for synchronizing with a baseband signal.

One of the main features of the LTC1696ES6#TRPBF is its adaptive deadtime control, which allows the device to dynamically adjust the switching times of the two MOSFETs, resulting in better control of the output voltage. The device is also capable of operating in different modes, including a constant frequency mode, a peak current-mode control (PCM) mode, and a voltage-mode control (VMC) mode. All of these modes are designed to optimize efficiency, reduce EMI and maximize performance.

The main function of the LTC1696ES6#TRPBF is to provide a regulated output voltage from an unregulated input source. This is achieved by controlling the switching frequency of the two MOSFETs and adjusting the deadtime accordingly. When an unregulated input voltage is applied, the device starts to detect the peak current and turn on the high-side MOSFET with an internally generated signal. The high-side MOSFET is then switched off when the peak current level is detected and the low-side MOSFET is enabled. The low-side MOSFET is then turned off and the peak current level is monitored. This process is repeated until the output voltage is regulated. The adjustable deadtime feature enables finer control of the output voltage and allows the user to fine-tune the output voltage.

The LTC1696ES6#TRPBF is an ideal choice for a wide range of applications such as high-power PoE, telecom and industrial applications. The device is highly efficient and capable of providing a high-power output voltage with minimum power losses. Furthermore, the device offers a wide range of features including adaptive deadtime control and different operating modes, allowing the user to customize the output voltage according to the application requirements. By integrating a main start-up controller, the high and low-side driver and the regulator controller, the device provides a space-saving, cost-effective solution for high-power PoE, telecom and industrial applications.

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