CHL8212-02CRT

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The CHL8212-02CRT is a DC-DC switching controller devised by ON Semiconductor. Specifically, it is a Pulse Width Modulation (PWM) synchronous buck controller that is highly integrated and based on advanced technologies. As such, it provides a low-cost, easily manageable solution for engineers and other system designers who need reliable and compact DC-DC control.

The CHL8212-02CRT is designed to offer a full range of features including input voltage rage operating from 3-32V, adjustable temperature coefficient and Inductor DCR current sensing with an internal high accuracy of 96%. It also offers a wide variety of adjustable output voltage from 0.6 V to 1.770V, pulse frequency of up to 2 MHz, adjustable switching frequency and enable/shutdown control to provide an efficient and safe solution for different applications.

The CHL8212-02CRT is best used for automotive, computing, industrial, and commercial applications that require a robust and reliable DC-DC switching controller with high efficiency and wide temperature operating range. This type of buck controller is ideal for applications that require low output ripple, low startup current, and high efficiency, such as notebook and tablet computers, storage systems, embedded systems, and automotive onboard computer systems.

The CHL8212-02CRT has a convenient design that ensures reliable operation and simple integration. It uses pulse-width modulation (PWM) to achieve output voltage regulation over a wide input voltage range. The device’s internal Feedback Loop is designed to keep the output voltage steady, while an Inductor DCR sensing scheme allows for current sensing without any need for an external resistive sensing element. Additionally, it supports programmable over-current protection, over-temperature protection, under-voltage protection, and high surge voltage protection. Overall, part of its low cost and high integration is derived from its low number of external components.

The CHL8212-02CRT is optimized for high performance in both forward and synchronous buck configurations. It uses 4-level FET drivers with fast switching propagation delay and ESD protection to offer excellent transient response, high-precision output voltage, and high efficiency. The device has short circuit protection and overload protection, as well as a single-ended clock input for synchronous applications. It is rated for operation over a wide ambient temperature range, and operates in both current-mode and voltage-mode, with excellent line and load transient response.

In summary, the CHL8212-02CRT is an advanced DC-DC switching controller that is ideal for automotive, computing, industrial and commercial applications. It has a convenient design, low cost and excellent performance, making it a perfect fit for various applications. The device\'s high accuracy, wide input voltage range, and high integration provide reliable operation and efficient operation.

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