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RT5762D

Richtek

6V Synchronous Step-Down Converter

® RT5762A/B/C/D/E/F 2A, 1.2MHz, 6V Synchronous Step-Down Converter in SOT-563 (FC) and UDFN-6L 1.4x1 (FC) General Desc...



RT5762D

Richtek


Octopart Stock #: O-1518071

Findchips Stock #: 1518071-F

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Description
® RT5762A/B/C/D/E/F 2A, 1.2MHz, 6V Synchronous Step-Down Converter in SOT-563 (FC) and UDFN-6L 1.4x1 (FC) General Description The RT5762A/B/C/D/E/F is a simple, easy-to-use, 2A synchronous step-down DC-DC converter with an input supply voltage range from 2.5V to 6V. The device builds in an accurate 0.6V reference voltage and integrates low RDS(ON) power MOSFETs to achieve high efficiency in SOT563 (FC) and UDFN-6L 1.4x1 (FC) packages. The RT5762A/B/C/D/E/F adopts Advanced Constant OnTime (ACOT®) control architecture to provide an ultrafast transient response with few external components and to operate in nearly constant switching frequency over the line, load, and output voltage range. The RT5762A/C/E operates in automatic PSM that maintains high efficiency during light load operation. The RT5762B/D/F operates in Forced PWM that helps to meet tight voltage regulation accuracy requirements. The RT5762A/B/C/D/E/F senses both FETs current for a robust over-current protection. The device features cycleby-cycle current limit protection which prevents the device from the catastrophic damage in output short circuit, over current or inductor saturation. A built-in soft-start function prevents inrush current during start-up. The device also includes input under-voltage lockout, output under-voltage protection, over-voltage protection (RT5762AL/BL/CL/DL/ EL/FL) and over-temperature protection to provide safe and smooth operation in all operating conditions. Features  Input Voltage ...




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