LT1303IS8-5#PBF

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LT1303IS8-5#PBF is an integrated synchronous buck regulator from Linear Technology. It features a high output current capability and high efficiency. The device operates at a switching frequency of 2MHz and is capable of providing up 800mA of output current. It is a surface-mount component with an operating temperature range of -40°C to +85°C.

The DC-DC switching regulator integrates a low-side MOSFET and a high-side MOSFET, making it ideal for applications where space is a constraint. It provides a wide input voltage range and output voltage range. It also features programmable soft-start and over-current protection. The LT1303IS8-5#PBF has an enable pin for independent control of the internal MOSFETs. This device is widely employed in the automotive, industrial and consumer electronics markets.

Application Field of LT1303IS8-5#PBF:
The LT1303IS8-5#PBF is mainly used as a voltage regulator in automotive, industrial and consumer electronic devices. It is suited for applications where a wide input voltage and current are needed. Some common applications include DC-DC converters, chargers, and automotive ECUs. It is also used in notebook computers and smartphones.

Working Principle of LT1303IS8-5#PBF:
The LT1303IS8-5#PBF operates by synchronously switching between a high-side and low-side MOSFETs in order to regulate the output voltage. This is accomplished by using current-sensing and voltage-skipping features. The device features a low-side voltage-mode control, which uses a reference voltage to regulate the output voltage within ±2%. When the output current varies, the LT1303IS8-5#PBF compensates for the current variation by changing the duty cycle in order to maintain a constant output voltage.

The LT1303IS8-5#PBF also utilizes an adjustable over-current protection (OCP), which can be programmed through external resistors. The device is capable of reaching efficiencies greater than 90% and can operate up to 2MHz. It has a built-in soft-start feature which allows the output voltage to slowly ramp up instead of a sharp increase.

The LT1303IS8-5#PBF is an efficient, high frequency, and low-cost regulator solution. It is a highly integrated DC-DC regulator which can be used in a wide variety of applications. The device is easy to use and configure and features built-in protection features. It is ideal for applications that require a high output current and wide input voltage range.

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