LM2596S DC-DC Buck Converter Power Supply


  • DC-DC Buck Converter Step Down Module LM2596 Power Supply is a step-down(buck) switching regulator, capable of driving a 3-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, and an adjustable output version.
  • The LM2596 series operates at a switching frequency of 150kHz, thus allowing smaller sized filter components than what would be required with lower frequency switching regulators.
  • LM2596 DC-DC buck converter step-down power module with the high-precision potentiometer, capable of driving a load up to 3A with high efficiency, which can work with Freeduino UNO, other mainboards, and basic modules. When the output current keeps greater than 2.5A (or output power greater than 10W), please add a heat sink to it.

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Input voltage 3-40V
Output voltage 1.5-35V(Adjustable)
Output current Rated current is 2A, maximum 3A(Additional heatsink is required)
Switching Frequency 150KHz
Operating temperature Industrial grade (-40 to +85 )
Conversion efficiency 92%(highest)
Load Regulation ± 0.5%
Voltage Regulation ± 0.5%
Dynamic Response speed 5% 200uS
Dimension 45*20*14mm(L*W*H)
Shipment Weight 0.011 kg
Shipment Dimensions 5 × 4 × 2 cm



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