MAX619ESA-T

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The MAX619ESA-T is an adjustable, high power, low voltage, low noise, synchronous step-down DC-DC switching regulator. The device is designed to provide a low-power alternative to conventional DC-DC converters, while providing a cost reduction compared to linear or linear-hybrid regulators. It is able to operate over a wide input voltage range of 2.7 V to 5.5 V, making it suitable for a wide range of applications, such as mobile phones, portable devices, and handheld systems. It is designed to deliver a tightly regulated output voltage up to 2.5 V with low output ripple and noise.

The MAX619ESA-T features an internal high switching frequency, allowing for a very small solution size and high efficiency of up to 96%. It includes an integrated high-side MOSFET driver for fast switching, reducing the number of external components required for simplified board layout. The device includes an external DPDT switch for toggling the supply voltage and an integrated soft-start for inrush current protection and output voltage sequencing.

The MAX619ESA-T provides a number of features to enhance performance and reliability. The auto-restart feature protects the device from over-current and thermal shutdown conditions. It also provides a low-power Standby mode with low quiescent current of 1.5 mA, which can be enabled or disabled by an external control signal. The device has an operating temperature range of -40°C to 125°C and it is available in a TDFN thin RoHS-compliant package.

The working principle of the MAX619ESA-T is based on the buck switching regulator configuration. The switching regulator converts an input voltage to a lower regulated output voltage by controlling the duty cycle of a switched-mode power converter. The duty cycle of the switching device is regulated by an internal voltage reference and an internal error amplifier, resulting in a constant output voltage regardless of the changes in input voltage, load current, or the output voltage sequence.

The MAX619ESA-T includes an internal oscillator for setting the switching frequency, allowing for easy design of the external components for stability. The driver circuit is capable of sustaining high frequency switching, allowing for a high efficiency operation. External compensation components are not required as the device has internal compensation components built-in.

The MAX619ESA-T is ideal for a wide range of applications, such as portable and handheld systems, wearable and embedded devices, notebooks and tablets, and industrial equipment. It provides a high level of flexibility and efficiency, making it a great choice for today\'s designs.

The specific data is subject to PDF, and the above content is for reference