LTM4636EY-1#PBF

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DC-DC Converters are widely applied in portable electronic devices, digital electronics and industrial automation and controls. They are used to spilt a voltage from a higher level to a lower voltage. The LTM4636EY-1#PBF DC-DC converter is a member of the low dropout (LDO) voltage regulator family offered by Linear Technology Corporation. The device is capable of sourcing up to 4A at a single output voltage, this makes it ideal for powering applications that require higher current demands.

The LTM4636EY-1#PBF operates over a wide input voltage range from 2.85V to 24V. It is a low ESR, low dropout, current mode, synchronous buck regulator capable of delivering up to 4A of continuous output current. It is optimized for fast transient response and tight load regulation and features peak current mode control.

The LTM4636EY-1#PBF has an internal voltage feedback loop that maintains output regulation to 0.3%. It also includes features such as reverse current protection, adjustable preset output voltage, power good output, a soft-start function to limit inrush current surge and a power-down disabled output. Internal current limit protection is also provided to keep the device protected from dangerous levels of continuous over current. The device is also thermal shutdown protected.

The device is designed to use a minimal external parts count. It includes a logic-controlled current limit, requires no external current-sense resistor and can be configured to operate in either continuous or discontinuous conduction mode. In addition, its excellent LDO performance is achieved by a unique patented cross regulation loop which senses the two output voltages and corrects output voltage errors over the entire load & line range.

The LTM4636EY-1#PBF uses a voltage mode, current mode control which provides fast transient response, powerful, load regulation and low output noise. The device includes fixed frequency, PWM control along with a programmable switching frequency up to 500kHz. The device also integrates a power MOSFET gate driver, which offers low noise, protection, and current regulation.

Overall, the LTM4636EY-1#PBF is an ideal choice for applications that require a high current, low cost, low dropout and efficient DC-DC converter. It is suitable for powering portable devices and a variety of other industrial, digital and automotive applications.

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