ZL2004ALNF

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The ZL2004ALNF is a DC-DC Buck Controller with features to enhance power management efficiency in off-line and DC/DC applications. It offers excellent regulation performance, low start-up current, and high power efficiency. It also features a wide voltage input range of 12V to 36V, adjustable output voltage range of 0.5V to 17V and a wide operating frequency range of 100KHz to 1MHz. The ZL2004ALNF is capable of providing up to 5A output current and has a very high conversion efficiency. It also features input and output EMI filters, thermal shutdown, and overvoltage protection.

The ZL2004ALNF integrates two crucial components for voltage regulation, an internal DC-DC controller and a low-side MOSFET switch. The internal synchronous rectified DC-DC buck controller provides wide input voltage range, fast transient response, excellent line and load regulation and a low start-up current. The low-side Power MOSFET switch can deliver up to 5A of output current. The ZL2004ALNF utilizes PWM control to regulate output voltage and minimize switching losses in the MOSFET switch.

The ZL2004ALNF has a wide range of application fields including crystal oscillator power supplies, switching regulators for digital processors and other equipment. It can also be used for low-power AC/DC conversion in applications such as notebook computers, LCD backlight inverters, LED lighting and consumer electronics. The ZL2004ALNF has wide input voltage range, adjustable output voltage range and high power efficiency, which make it ideal for use in systems requiring low power consumption in a variety of off-line and power supply applications.

The ZL2004ALNF operates on PWM control. It uses pulse-width modulation (PWM) to regulate output voltage. The PWM control voltage is compared to the feedback voltage, and then the internal synchronization logic adjusts the MOSFET duty cycle in order to maintain the required output voltage. During the ON time, the current runs through the switch, charges the output capacitor and increases the output voltage. During the OFF time, the current is cut off, the output capacitor is discharged, and the output voltage is reduced. This continuous switching action is used to regulate the output voltage.

The ZL2004ALNF can be used in a variety of DC/DC switching applications. The wide range of input and output voltage, low start-up and operating current, and high power efficiency make it a great choice for voltage regulation in off-line power supply and DC/DC applications. With the excellent regulation performance and the high power switching capability, the ZL2004ALNF is an ideal solution for all kinds of applications requiring low power consumption, high integration and constant voltage output.

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