ADP3208JCPZ-RL

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The ADP3208JCPZ-RL, from Analog Devices Incorporated, is a voltage regulator that belongs to the PMIC (Power Management IC) range of products and is a part of its special purpose voltage regulators. It offers a precision, small size and low-power combination for use in portable systems, such as laptops, mobile phones, and portable medical devices. This voltage regulator also has very high current capacity and is designed for applications requiring precision current limiting, power monitoring and/or ultra-low quiescent current consumption.The ADP3208JCPZ-RL comes in an 8-pin SC-70 package and provides an adjustable output ranging from 0.8V to 6V. This voltage regulator features a wide input voltage range of 2V to 16V, which makes it suitable for applications ranging from computer system power, digital camera, and motor control to medical instrumentation and battery-powered portable devices. It also provides current limit protection and a shutdown capability for short circuit protection. The ADP3208JCPZ-RL is constructed in a termination-free and surface-mountable topology and has a current limit accuracy of 1%.The main features and benefits of the ADP3208JCPZ-RL include single-cell Li-ion battery support, high input voltage range of up to 16V, nanoamp (nA) quiescent current, over-current protection of up to 6.0A, wide load current range of 1mA to 6A, fast response time on output voltage adjustment, fast transient response, and low ESR ceramic output capacitor support.The device also offers a low-power active mode with a quiescent current typical of 0.5mA, and a sleep mode that reduces the quiescent current to a typical value of 0.2μA. This allows the device to have high efficiency when it is in a quiescent state, and low power loss when in active mode. The device also has a protection feature that shuts down the output when an overload or short-circuit occurs.The ADP3208JCPZ-RL’s working principle is based on the principle of linear regulation, where an error amplifier is used to continuously adjust the feedback voltage such that the output is regulated according to a reference voltage supplied to the amplifier. The error amplifier compares the input and output voltages and adjusts the duty cycle of a series of pulses that are sent to the switching element in order to keep the output voltage constant.The ADP3208JCPZ-RL is therefore applicable to a wide range of portable applications, where its small size, high current capacity and low-power combination would be beneficial. Its high input voltage range and current limiting protection capabilities make it ideal for high-voltage applications while its low quiescent current consumption makes it suitable for low-power applications. The device also offers a high current output and fast transient response, as well as a shutdown mode to protect the system.

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