LM2596HVS-3.3 3.3V 3A Step-Down DC-DC Regulator, TO-263-5 SMD
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Prices updated: 13 Oct 2026
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About this product
LM2596HVS-3.3 is a 3 A step-down switching regulator in a TO-263-5 surface-mount package, with a 3.3 V output according to its listing parameters. It accepts a high-voltage input range, listed as 4.5 V to 53 V, with conversion efficiency up to 92%. The listing title says adjustable, but its parameters describe a fixed 3.3 V output.
Specifications
- Output voltage
- 3.3 V fixed (per listing parameters)
- Output current
- 3 A (max)
- Input voltage
- 4.5 V to 53 V
- Conversion efficiency
- Up to 92%
- Switching frequency
- 150 kHz
- Package
- TO-263-5 (SMD)
Frequently asked questions
Is this regulator adjustable or fixed?
The title says adjustable, but the description and listing parameters specify a fixed 3.3 V output, and the -3.3 suffix matches that. Confirm the output version with the manufacturer datasheet or the part marking before use.
What input voltage is required?
The input must be at least about 1.5 V higher than the output and cannot be below that level, because the regulator cannot boost. The listed input range is 4.5 V to 53 V, and the regulator needs external support components as per its datasheet.
