LM2596 Module , Adjustable DC/DC Power Converter (1.25V - 35V/3A) copy

1 year ago 184
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This is a DC/DC step-down voltage regulator that converts input voltage between 3.2V and 40V into a smaller voltage between 1.25V and 35V, capable of driving a 3A load with excellent line and load regulation. In some projects, you might need different voltages (3-35V) for your devices. Without this kind of DC power source, you’ll find it time-consuming to buy a new one. The delay of project is so annoying. No worries! This module can accelerate prototyping, because you can get the voltage you need (such as 3.3V, 5V and 9V) as easy as blinking eyes. Note: Input must be >1.5V higher than output. Features • Wide Output Voltage Range • Ensured 3A Output Load Current • Input Voltage Range Up to 40V • Excellent Line and Load Regulation • Low Power Standby Mode, Typically 80uA • High Efficiency Up to 92% • Precise potentiometer for voltage adjustment • Thermal Shutdown and Current Limit Protection Specifications • Input Voltage: 3.2V - 40VDC • Output Voltage: 1.25V - 35VDC • Max. Output Current: 3A • Max. Efficiency: 92% • Output Ripple: ≤100mV • Switching Frequency: 65KHz • Operating Temperature: -45℃ to +85℃


LM2596 Schematic copy

LM2596ADJ PCB copy

LM2596 PCB copy


ID Name Designator Footprint Quantity
1 LM2596S-ADJ U1 TO263-5 1
2 680u C1 C1210 1
3 10k R1 C1206 1
4 220u C2 C1210 1
5 68u L1 INDUCTOR-1206 1
6 100k R2 TRIM_POT_PTH 1
7 BZT52C10 D2 SOD123 1
9 1k R3 C0805 1
10 SIP1 P1,P2,P3 HDR1X1 3


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