DRF240241

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AC/DC converters are used to convert alternating current (AC) to direct current (DC). The DRF240241 application field and working principle is a type of such converters. It is a synchronous rectification buck (SRB) converter with an adjustable voltage regulator.

The DRF240241 is a Silicon Labs switching regulator that operates from a 3.6 V input voltage and delivers a programmable output voltage up to 1.2 V. This converter consists of a high-side N-channel MOSFET and a low-side N-channel MOSFET, both driven by fixed frequency optimized trapezoidal control. This converter also utilizes synchronous dead-time control (SDTC) that minimizes the dead time during transitions to reduce switching losses and enhance EMI suppression.

The DRF240241 includes an internal voltage reference, ramp generator, error amplifier, and temperature-compensated comparator circuitry. It also features a low power sleep mode that reduces the power consumption to less than 5 mW when enabled. The output voltage is adjusted via a resistor divider or an external control voltage, and a precision enable input is also included.

In operation, the DRF240241 starts by comparing the feedback voltage to the internal reference voltage and adjusts the duty cycle accordingly. The DRF240241 then uses a synchronous dead-time control circuit to minimize the opportunity for shoot through current by turning off both MOSFETs at the same time before enabling either one. This ensures that the output voltage remains stable.

The DRF240241 has a wide range of applications including, but not limited to, data converters, dc-dc converters, and battery-powered equipment. It is also extremely efficient, with switching-regulated losses less than 0.2%. This makes the DRF240241 an excellent choice for applications that require low power consumption.

The DRF240241 is an ideal AC/DC converter for a wide range of applications. It features synchronous rectification, adjustable voltage regulator, internal voltage reference, and precision enable input. It is also very efficient, reducing switching energy losses to 0.2%. This makes the DRF240241 an excellent choice for applications that require low power.

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