E36SC3R335NRFA

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DC-to-DC converters are used in a wide range of applications including electromechanical, electrical and electronic systems. The E36SC3R335NRFA is a Low Drop Out (LDO) DC-to-DC converter that is specifically designed for use in low power applications. It is a Fixed Frequency PWM LDO Step Up Switching Regulator.

The E36SC3R335NRFA is based on an active PWM loop control topology. In this topology, the system voltage is sensed and used to control the internal switching frequency. This ensures that a constant voltage is maintained across the load despite changes in load. The internal current limit and over voltage protection features make the E36SC3R335NRFA suitable for a variety of applications where high accuracy, noise free operation is required.

The E36SC3R335NRFA can operate from an input voltage of 1.2V to 5.5V. It has an output current limit of 1.2A, and an output voltage range of 2.5V to 24V. The switching frequency is set internally at 600kHz and the device has a maximum efficiency of 93%. The device also has integrated thermal protection to ensure reliable operation in harsh environmental conditions.

The main application fields that the E36SC3R335NRFA are suitable for include:

• Portable battery powered devices
• Telecommunication
• RF Modems
• Portable Instruments
• Small embedded systems

The working principle of the E36SC3R335NRFA is based on Pulse Width Modulation (PWM). This technique is used to convert input power into an output waveform with a constant voltage. The device consists of two integrated PWM controllers and two N-channel MOSFETs connected as an H-bridge. The PWM generator, located at the input side of the device, senses the input voltage and controls the switch by mapping it to a logic high level with a fixed duty cycle. This controls the amount of power that is transferred to the load. The second PWM generator is located on the output side of the device and contains an error amplifier and a comparator that monitors the feedback voltage and adjusts the PWM duty cycle accordingly.

The main advantage of the E36SC3R335NRFA is that it is designed to offer a high level of performance in a small package. This makes the device ideal for a range of low power applications where space is at a premium. Furthermore, due to its efficient operation the device can be operated at low voltages which reduces the overall power consumption, and hence the amount of heat generated, to a minimum.

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