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

PMIC - Voltage Regulators - DC DC Switching Controllers

The LTC3892EUH#PBF voltage regulator is a dual-channel, switching mode, synchronous step-down DC/DC controller designed for applications requiring high efficiency and fast transient response. It is designed to regulate output voltages up to 42V and can supply up to 6A (3A per channel). This device is ideal for providing local power conversion and control for FPGA power rails, analog power supplies, medical device power supplies, and telecom systems.

Features of the LTC3892EUH#PBF

• Wide input voltage range: 5.5V to 42V
• Quiescent current: 120 µA
• Operating frequency range: 400 kHz to 2.5 MHz
• Integrated gate drivers to support N- and P- channel MOSFETs
• Thermal and over current protection
• Current-mode control
• Phase-lockable frequency of 400 kHz to 2.5 MHz
• Programmable soft-start
• Selectable phase shift / valley current control

LTC3892EUH#PBF Application Field and Working Principle

The LTC3892EUH#PBF regulator is intended for DC/DC conversion applications, and is especially suitable for applications that require high efficiency, fast transient response and low input voltage operation. This low loss controller uses synchronous rectification to reduce power loss and improve efficiency, compared to traditional buck-type regulators. In addition, current-mode control allows for fast dynamic response when a load or line transient appears, which means it can quickly regulate the output voltage even at light loads.

The basic working principle of the device is to regulate a voltage through a buck converter circuit. In this converter a high-side switch and a low-side switch are used. The high-side switch is switched to a high voltage and the low-side switch is switched to a low voltage. This difference between the two produces a voltage drop used to regulate the output voltage. The switch is driven by the built-in gate drivers and controlled by the on-board PWM controller. This controller senses the feedback voltage from the output and adjusts the duty cycle of the gate drivers to regulate the output voltage accordingly.

Conclusion

The LTC3892EUH#PBF voltage regulator is a highly efficient and fast transient response, dual-channel switching mode, synchronous step-down DC/DC controller designed for applications requiring high efficiency and fast transient response. It is suitable for applications such as FPGA power rails, analog power supplies, medical device power supplies and telecom systems. With features such as wide input voltage range, integrated gate drivers and safe operating features, this voltage regulator is a great choice for efficient power conversion.

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