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The LT1933HS6#TRMPBF is a current mode PWM step-down DC/DC converter featuring an internal 0.75A power switch, housed in a compact 6-lead SOT-23 package. It supports a wide input voltage range from 3.6V to 36V, making it suitable for diverse power sources including automotive batteries and industrial supplies. The device operates at a fixed frequency of 500kHz, enabling the use of small passive components. Key electrical characteristics include a shutdown current of less than 2μA and an adjustable output voltage down to 1.25V.
Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm the specific HS6 suffix indicates the SOT-23 package variant. Check for recent Product Change Notifications (PCNs) regarding manufacturing updates. Ensure storage conditions comply with moisture sensitivity levels specified in the datasheet. Validate that the TRMPBF designation matches the required reel packaging configuration for your assembly line.
Select this component when space constraints require a 6-lead SOT-23 form factor for a buck converter. It is appropriate for applications requiring input voltages up to 36V and output currents around 600mA. Consider the 500kHz switching frequency for balancing efficiency and passive component size. Evaluate thermal performance based on the expected load and ambient temperature conditions within the SOT-23 package limits.
This part belongs to the LT1933 family of step-down switching regulators manufactured by Analog Devices. The HS6 suffix specifically denotes the ThinSOT (SOT-23) package version, distinguishing it from DFN variants. The # symbol separates the base model number from the package and tape/reel specifications. This series is designed for high-frequency operation to minimize external component count.
LT1933IS6 is a documented alternative within the same product family offering similar step-down functionality.