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6-24V to 5V 3A

New scheme design is adopted, and the circuit design does not require electrolytic capacitor and tantalum capacitor (electrolytic capacitor has a short life, and tantalum capacitor is in danger of explosion). Three large-size solid state Ceramic capacitor (MCC) used in current high-end circuits are adopted. The ripple is very low, with a 12V to 5V 3A voltage of only about 10 millivolts. Many ripple levels in the industry reach 500 millivolts or greater, which can cause invisible damage to the equipment and seriously lead to abnormal operation or damage. The new scheme adopts synchronous rectification, and the circuit conversion efficiency is very high. The efficiency reaches 97.5% when 6.5V to 5V 0.7A, and 94% when 12V to 5V 1A, unlike some peers, the efficiency is only 60-70%. The efficiency test removed the voltage drop of the input reverse protection diode and fuse. Adopting flat copper wire inductance to maximize conversion efficiency. Reduce heat generation. The first product in the entire network with output overvoltage protection function, with a 1.5A fuse for input and a 300W TS tube for overvoltage clamp protection for output 5V, protecting USB devices. Currently, other USB step-down modules do not have overvoltage protection function, which poses a significant safety hazard to USB devices. Do you think if the step-down module breaks down and 12V is directly applied to your IPHONE, can your PHONE still be spared? Adopting the latest USB recognition circuit, perfectly compatible with I PHONE, most Android phones, and iPad. Short end borderless USB, with an ultra long service life, is by no means comparable to ordinary USB interfaces. The output voltage indicator light (red) is equipped with a reverse protection diode at the input, and the positive and negative poles of the input are reversed without damage. (The efficiency of our store's testing ignores the voltage drop of the input diode and fuse.) The static current is extremely low, with a static current of 0.85 milliamperes. Connect to the car battery without adding a switch, and can be connected to the cigarette lighter cable or the ACC power cord.

Product details:

Input voltage: DC 6-24V

Output voltage: 5.1-5.2V (default shipment is 5.1V-5.2V)

Output current: ≤ 3A (please pay attention to heat dissipation when fully loaded). In actual testing, there is no need to handle heat dissipation when the input voltage is 12V and the output voltage is within 2A.

Conversion efficiency: ≤ 97.5% (6.5 to 5V 0.7A (test value after short circuit reverse protection and fuse)

Switching frequency: 500KHz

Output ripple: about 10mV (12V to 5V 3A) 20M bandwidth

Output indication: The output voltage indicator light is red

Working temperature: Industrial grade (-40 ° C to+85 ° C) (the higher the ambient temperature, the lower the output power)

Output overvoltage protection: Yes, input 1.5A fuse, output 5V with 300wTVS clamp position protection.

Full load temperature rise: 30 ° C

Quiescent current: 0.85 mA

Load adjustment rate: ± 1%

Dynamic response speed: 5% 200uS

Voltage adjustment rate: ± 0.5%

Output short circuit protection: Yes, please do not short circuit for a long time

Input reverse protection: Yes, input has reverse protection diode

Product size: 26.4mm * 15mm * 7.4mm

9-24V to 5V 3A

Dual USB output 9V/12V/24V to 5V 3A DC-DC car charging voltage reduction and stabilization charging module DC-DC USB voltage reduction charging module (with work indicator light, standard contact gold-plated socket)

Input voltage range: 6-24V

Output voltage: 5.2V (considering charging line losses, the output terminal is 5.3-5.4V, and the load terminal is 5.1-5.2V)

Output current: 3A (stable output current is 2A without heat dissipation device)

Note 1: The input voltage cannot exceed 24V, otherwise it may cause chip damage!

Note 2: The positive and negative poles of the input cannot be reversed, otherwise it may cause chip damage!

Note 3: During power on operation, do not stroke the resistors, capacitors, and IC pins on the circuit board with your hands, otherwise it may cause sudden changes in output voltage and damage to the equipment!

Electrical parameters:

Project	Minimum value	Typical value	Maximum value	Unit
Standby current (Ven=0V)	15	20	25	uA
No-load current	8	12	16	mA
Input voltage	6	12	26	V
Output voltage	5.1	5.25	5.4	V
Output current	0	3	3	A
Overcurrent protection current	5	5.5	6	A
Conduction internal resistance	80	100	120	mΩ
Switching frequency	335	385	425	KHz
High temperature protection	155	160	165	℃
Conversion efficiency (1=7V, 0=5V)	94	96	98	%
Ambient temperature	-40	25	85	℃

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