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Product Introduction:
LM2596 is a step-down power management monolithic integrated circuit switching voltage regulator, capable of outputting 3A drive current, while having good linearity and load regulation characteristics. This module integrates 4 LM2596, which can output four sets of power supplies of 3.3V, 5V, 12V and ADJ at the same time. The module is laid out and wired in strict accordance with the design specifications of the power supply circuit the materials are generous, using SMD aluminum electrolytic capacitors, high-Q high-power inductors In order to ensure the stable output voltage, the window treatment on the back of the PCB board is more conducive to the heat dissipation of the LM2596 chip.
It is suitable for the power demand of students in learning competitions and company or personal project development
Precautions for using the module:
(1)The module is a step-down module, and the input voltage needs to be greater than the output 1Vto stabilize the output.
(2)Module heating is mainly determined by the input and output voltage difference and the load current. Please select and use the power module reasonably. Generally, 30% of the margin should be reserved.
(3)The module generates heat during use, please increase the heat dissipation according to the actual situation. When carrying a large load, you can add heat sinks, air cooling, etc appropriately.
(4)When using capacitive or inductive loads, the instantaneous current of the load cannot be too large, otherwise the module may be damaged.
Frequently Asked Questions:
Q: What is the output range of ADJ? What is the output current?
A: The output range of ADJ is 1.2V to Vin-1V. Maximum 3A, when the input and output voltage difference is large, the output current will be less than 3A.
Q: Can module outputs be connected in parallel or in series?
A: When the output voltage is equal, it can be connected in parallel, but not connected in series. Each channel is independent, but it will not be isolated and cannot be connected in series.
Q: Is the mounting hole grounded? Can the module output negative voltage?
A: The mounting hole is not grounded, and the module can only be used for positive and negative voltage output.
Specifications:
| Parameter name | Parameter value | Remark |
| Module model | Multiple power supply | LM259 |
| Module type | Switching power supply | |
| Input voltage | 13V-32V | |
| The output voltage | Multipath | 33V, 5V, 12V, ADJ |
| Output current | 3A (MAX) | The maximum single current of the module is 3A, and the total current does not exceed 5A |
| Conversion efficiency | 85% | |
| Output Power | 9.9W | 3.3V |
| 15W | 5V | |
| 36W | 12V | |
| 36W | ADJ | |
| Static power | 26mA | |
| Operating frequency | 150KHz | |
| Output ripple | 15mV | No load |
| Better than 60mV | 12V@2A load test | |
| Module enable | without | |
| Module protection | Reverse connection | Protection |
| Module features | Many kinds | Low noise, low ripple: with input and output power supply Indicator light with positioning hole |
| Module application | Many kinds | Industrial automation control, LED lighting, industrial control equipment, communication equipment, power equipment instrumentation |
| Module weight | 65g | |
| Module size | 101 X 68 X 12 | Length X Width X Height (mm) |
| Module heat | The greater the load, the greater the heat | The output current is greater than 2.5A (or the output power is greater than 10W) and long-time work, please add a heat sink |
| Operating temperature | 0- 70℃ | Civilian Grade |
| Module interface | Input: 5.08-2P; Output: 3.81 -4PM |
Features:
1. Multi-channel Output: The module integrates four LM2596 regulators, offering outputs of 3.3V, 5V, 12V, and an adjustable voltage simultaneously, making it versatile for various electronic projects.
2. High Efficiency: With a conversion efficiency of 85%, this power supply module optimizes energy use while reducing waste heat, ensuring reliable performance in demanding applications.
3. Robust Design: The module includes reverse connection protection and uses high-quality SMD aluminum electrolytic capacitors and high-Q inductors to provide stable output voltage and longevity.
4. Compact and Lightweight: Weighing only 65g and measuring 101mm x 68mm x 12mm, this module is convenient for integration into small projects, without compromising on power delivery.
5. Versatile Applications: Ideal for industrial automation control, LED lighting systems, communication equipment, power equipment, and more, this module meets the needs of various professional and hobbyist applications.
Package Included:
1 x LM2596 Multi Channel Switching Power Supply Module
