TL7660CD

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The TL7660CD is a DC DC switching regulator IC, which is widely used to supply stepped-down DC voltages for a variety of purposes. The device consists of a high-side driver, an active low-side driver, and a DC to DC converter with built-in protection features. It supports a wide input voltage range from 4.5V to 17.5V. and provides an adjustable output voltage of 1.23V to 13.3V. The TL7660CD is mainly used in automotive, industrial, and medical applications, including battery charging systems and robotics.

At the heart of the TL7660CD is a high-efficiency synchrnonous buck regulator that drives an internal power FET switch. The output voltage is determined by an external voltage divider connected to the Device Enable pin. The internal FET is switched at a frequency set by the internal oscillator controlled by the device\'s PULSE WIDTH MODULATOR (PWM). The load current is in phase with the input voltage, resulting in good efficiency. The device is also equipped with protection features such as short circuit, over temperature, and over voltage protection.

The TL7660CD is able to work with a variety of input sources, such as DC to DC converters, batteries, AC to DC power supplies, and even solar cells. For example, it can be used in a DC to DC buck converter powered by a battery, where the input voltage is adjusted to the desired level by varying the duty cycle of the internal FET switch.

The TL7660CD is also capable of operating in an adaptive mode, where the switching frequency is adjusted based on the load current. This mode helps to reduce output voltage ripple and improve load regulation, resulting in improved power supply performance. Additionally, the device has an integrated Low Dropout (LDO) regulator, which can be used to supply low voltage digital logic. This feature helps to reduce the power consumption of the system.

In summary, the TL7660CD is a versatile DC DC switching regulator IC with a wide range of application fields. It is capable of providing adjustable output voltages with good efficiency and protection features, making it suitable for a variety of applications, including battery charging systems, robotics, and AC to DC power supplies.

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