LTC7800EUDC#PBF

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The LTC7800EUDC#PBF, a versatile synchronous buck switching regulator controller family, is the latest addition in Power Management IC (PMIC) solutions. The product provides multiple protection features and operates over a wide input voltage and current range. It comes in two versions, one with an integrated driver and the other with an external driver, facilitating hassle-free solutions for synchronous buck switching applications.

The LTC7800EUDC#PBF is suitable for high frequency DC-DC converter applications operating at 3 V to 48 V inputs. The device has an integrated high-side and low-side MOSFET driver making it a great option for portable device applications. Its high output current capability along with its Over Current protection makes it reliable for high current applications.

The LTC7800EUDC#PBF is a synchronous buck controller that offers high current supply and high efficiency. Its synchronous design enables the output voltage to be regulated without the risk of output voltage ringing or overshoot. The device contains an internal compensation network that provides better transient response and improved output noise with minimal external circuit modifications. It is ideal for applications with tight power density requirements, such as communications, networking, servers and cloud computing applications.

The buck controller contains two integrated power drivers, a low-side driver and a high-side driver. The high-side driver is capable of driving up to 10 A of peak current, which enables it to supply large load requirements. The LTC7800EUDC#PBF also features autotransformer support that allows the controller to compensate for power losses in the transformer. This feature enables it to maintain stability and drive moderately large output currents.

The LTC7800EUDC#PBF has an internally-programmed over-current protection that senses output current and trips when it exceeds the set level. When the over-current is sensed, the device shuts down and latches off until the current is under the over-current condition. This feature reduces heat dissipated from the power supply and increases system reliability.

The device also features an on board charge pump that provides the boot voltage required to turn on the high side MOSFET. This eliminates the need for an external bias supply, allowing the designs to maintain a low power density. The device also features an adaptive mode where the gate driver adapts to the characteristics of the MOSFETs connected to it. This is useful for designing power supply systems with MOSFETs that are outside of the recommended characteristics.

The LTC7800EUDC#PBF has excellent feedback linearity and is designed for fast transient response. It also contains an integrated soft-start circuit that enables the controller to start with no output current overshoot. The device can be programmed to operate in either pulse width modulation (PWM) or current mode control for additional power efficiency.

Overall, the LTC7800EUDC#PBF is an ideal solution for high elevated temperature environments and applications requiring high efficiency. It is a PMIC device belonging to the Voltage Regulators - DC DC Switching Controllers family and is suitable for applications related to electrification, communications, aerospace and defense, automotive, and medical products.

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