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Efficiency 97.5% DC-DC step-down module 6-24V12V24V turn 5V3A Car USB mobile phone charger



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Seller Name : Mod N Shields
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2: Output Maximum current 3A , Long-running 2.1A, sufficient margin.

3: Design Circuit design does not require electrolytic capacitors and tantalum capacitors?Short life electrolytic capacitors, tantalum capacitors risk of explosion?. Now with the use of high-end circuit Large solid ceramic capacitors?MCC?3 .

Very low ripple, 12V turn 5V 3A only about 10 millivolts, many colleagues have reached a ripple 500 mV or more, the device will result in an invisible injury, a serious cause device is not working or damaged, IPHONE but very delicate .

4: The gram uses synchronous rectification The circuit is very high conversion efficiency, in turn 5V 0.7A 6.5V when High efficiency up to 97.5% , 12V turn 5V 1A, also reached 94%, unlike some peers efficiency is only 60-70%.?Efficiency Test to remove the input reverse polarity tection diode and fuse drop?.

5: The Flat copper wire inductance Maximize conversion efficiency. Reduce heat.

6: First the whole network with output overvoltage tection , There is 1.5A input fuse, there is 5V output of 300W TVS tube voltage clamp tection done to tect the USB device.

Now the buck peer USB modules do not have overvoltage tection, there is a very big security risk for USB devices, if you think about the step-down module breakdown, 12V directly on you, IPHONE above, your IPHONE can survive it?

7: Using the latest USB identification circuit, perfectly compatible IPHONE, the vast majority of Android phones, IPAD .

8: Gold-plated USB boundless short head , Long service life, not ordinary USB interfaces can be compared.

9: Output voltage indicator? red ?

10: Ultra-small size, 26.4 (L) * 15 (W) * 7.4 (H) mm, the whole network the minimum .

11: Enter with Reverse polarity tection diode Enter the positive and negative reversed not damaged,?Our test efficiency ignore the input diode and fuse drop?


12: Ultra-low quiescent current, quiescent current of 0.85 mA . Connected to the car battery without adding switches can be connected to the cigarette lighter line or the ACC power cable line.

QS-1205CBUL-3A power module

size: 26.4 (Long) * 15 (W) * 7.4 (H) mm

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Module parameters

The modular nature: Non-isolated step-down module?BUCK?Synchronous rectification

Input voltage: DC6-24V

The output voltage: 5.1-5.2V (You can choose between 3.3-6V choice, Default is 5.1V-5.2)

Output current: Maximum 3A (Please note that full cooling), the actual test input 12V output 2A without treatment within the heat.

Conversion efficiency: Up 97.5%?6.5 turn 5V 0.7A? (Short circuit and reverse polarity tection test value fuse)


Switching Frequency: 5 00KHz

Output ripple: About 10mV (12V turn 5V3A) 20M-bandwidth



Output indication: Output voltage indicator is red

Operating temperature: Industrial?-40 ? to + 85 ???The higher the ambient temperature, the smaller the output power?

Output overvoltage tection: There, enter 1.5A fuse, there is 5V output 300W TVS tube clamp tection.

Full load temperature rise: 30 ?

Quiescent Current: 0.85 Milliampere

Load regulation: 1 %

Voltage Regulation: 0.5%

Dynamic response speed: 5% 200uS

Output short circuit tection: Yes, do not short-circuit a long time

Input reverse polarity tection: Yes, there are input reverse polarity tection diode


Wiring: welding

Input: welding

output method: Short head boundless USB












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Additional Information

SKU CC1212130413
Cash on Delivery No

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