LTC3835IDHC-1#PBF

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

LTC3835IDHC-1#PBF is a high frequency, current mode, synchronous step-down DC/DC switching controller. It is designed to take a system voltage supply and generate regulated outputs of 0.5V to 5V. The LTC3835IDHC-1#PBF switching architecture provides excellent line and load regulation, as well as fast transient response. The controller can be configured to operate in either fixed frequency or Burst Mode / Active Burst Mode operation for energy efficiency.

The LTC3835IDHC-1#PBF is optimized for a wide variety of applications where high efficiency, high power density, and excellent line and load regulation are desired. This device is suited for:

• Desktop/notebooks, server, and storage power supplies
• Networking, telecom, and industrial power supplies
• Automotive and industrial point-of-load applications
• Consumer electronics and white goods

The LTC3835IDHC-1#PBF has various features that enable flexible operation and high efficiency performance. First, the device implements current-mode control to provide fast transient response and line and load regulation. It features a wide input voltage range from 4.5V to 44V, which allows the device to be used in wide variety of applications. Additionally, the device includes regulated frequency operation, integrated soft-start/sequencing as well as short-circuit and thermal protection.

The basic operating principle of the LTC3835IDHC-1#PBF is as follows. The input voltage is applied to the device’s VIN pin and an internal voltage regulator provides the regulated VCC supply voltage to the internal circuitry. An integrated clock produces a high frequency oscillator, which is adjustable via an external resistor connected to the RON pin. The clock signal is used to drive the internal High-Side and Low-Side MOSFET drivers. The High-Side driver is enabled at the beginning of each switching cycle and enabled in a phase-shift controlled manner. This phase-shift control provides current-mode control and allows for fast transient response times.

The output voltage is monitored by a voltage divider connected to the FB pin. This voltage is compared to a reference voltage and the error signal is used to adjust the phase-shift duration which controls the output voltage. The duty-cycle of the switching signal is adjusted accordingly, allowing for regulation of the output voltage. The device includes various features such as soft-start, power good indicator, power save mode, and burst mode operation which provides excellent load-transient performance and improved efficiency at light-load conditions.

In summary, the LTC3835IDHC-1#PBF is an ideal choice for applications where high efficiency, excellent line and load regulation, and fast transient response are desired. This device is suitable for desktop/notebooks, server, and storage power supplies, networking, telecom and industrial power supplies, automotive and industrial point-of-load applications, and consumer electronics and white goods. It provides excellent performance in applications where fast transient response, high power density, and high efficiency are needed.

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