LT6110HDC

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LT6110HDC is a high efficiency, low noise, and simple to use DC-DC boost power management IC, designed to provide high power boosting solutions for ultra-thin portable electronic equipment.

The LT6110HDC can be applied to various types of products in different application fields, including consumer electronics, automotive, and the Internet of Things (IoT) products. It is most suitable for slim and light portable electronic products that need to boost a low input voltage while delivering higher output current to meet requirements.

The key features of the LT6110HDC include high efficiency operation up to 94.3% with internal synchronous rectification, 2 MHz fixed frequency current mode operation and integrated internal soft-start. It also offers advanced protection with optional external current sense resistor and temperature sense diode. Moreover, it provides an optional resistive feedback for current loop control.

In addition, the LT6110HDC has a wide range of programmable voltage regulation with 0.5 V accuracy and a wide range of output voltage from 1.8 V to 5.5 V. It also provides an adjustable power good output, an adjustable circuit current limit, and a power save mode. The LT6110HDC also has an I2C/SMBus/Serial Port Interface for programming, monitoring and control.

The LT6110HDC is a flexible, cost-effective device offering high power conversion efficiency and output current to meet the needs of various application areas. It integrates full protection features, including thermal shutdown, current limit and Undervoltage Lockout (UVLO).

The LT6110HDC is designed to operate with a maximum input voltage of 16V and can support output voltage from 1.8V to 5.5V. The device has integrated synchronous rectification and high-side and low-side MOSFETs for optimized current efficiency. It also features a high output current limit of up to 2.9A.

The working principle of the LT6110HDC can be understood in terms of its four main elements – the inductor, the output capacitor, the control circuit, and the internal MOSFETs. The control circuit monitors the output voltage through the resistor divider connected to the output and compares it to the reference voltage. The output of the control circuit is used to modulate the PWM signal sent to the internal MOSFETs which in turn switch the inductor to produce the output voltage.

When an input voltage is applied to the LT6110HDC, the control circuit initiates a soft-start sequence for the IC to reach its operating condition. The internal MOSFETs are then triggered to turn the inductor on, which stores the magnetic energy inside. Once the inductor is saturated, the MOSFETs turn off, allowing the inductor to release its energy to the output capacitor. The output voltage will then be regulated by the loop formed by the control circuit and the internal MOSFETs.

As one of the important components in power management, the LT6110HDC provides a reliable and efficient power conversion solution for various application fields such as consumer electronics, automotive, and the Internet of Things (IoT) products. The combination of its wide range of voltage regulation, high efficiency, power-save mode and advanced protection features makes it a great choice for designers in need of a boost converter.

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