High Efficiency DC-DC Buck Converter 4.75-28V to 1.2-25V 3A Step Down Module, US $220 – Picture 0

High Efficiency DC-DC Buck Converter 4.75-28V to 1.2-25V 3A Step Down Module, US $220 – Picture 1

High Efficiency DC-DC Buck Converter 4.75-28V to 1.2-25V 3A Step Down Module, US $220 – Picture 2

High Efficiency DC-DC Buck Converter 4.75-28V to 1.2-25V 3A Step Down Module, US $220 – Picture 3

High Efficiency DC-DC Buck Converter 4.75-28V to 1.2-25V 3A Step Down Module, US $220 – Picture 4

High Efficiency Dc-dc Buck Converter 4.75-28v To 1.2-25v 3a Step Down Module

US $220

Guang Zhou, China
Jan 29th

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Ultra Mini DC 4.75-28V to 1.2-25V 3A Buck Converter Adjustable Voltage Regulator Power Supply #090504 Product Description Feature: Module Properties: non-isolated step-down module (buck) Rectification: non-synchronous rectification Input voltage: DC 4.75-28V Output voltage: DC 1.2-25V ( continuously adjustable ) Output Current: MAX 3A Conversion efficiency: up to 95% Soft-start: 20ms Remote Control: EN PIN ( Shut-Down 0V, Working 5V (or vacant) ) The lowest dropout: 2V Working temperature: industrial grade (-40 ° c to + 85 ° c) (output power below 10W ) Full load temperature rise: 40 ° c Load Regulation: ± 0.5% Voltage Regulation: ± 0.5% Bandwidth: 20M Input 12V Output 5V 3A ripple 15mV Input 24V Output 12V 1A ripple 33mV A dynamic response speed: 5% 200uS Short circuit protection: current limiting, self-recovery Input reverse polarity protection: None Wiring: Welding Dimensions: 30x18x14mm (LxWxH) Testing for reference: Input 6.98V 0.785A Ouput 5.230V 0.997A 5.214W Efficiency 95.16% Input 6.98V 1.607A Ouput 5.224V 1.997A 10.43W Efficiency 92.99% Input 6.98V 2.484A Ouput 5.212V 2.998A 15.62W Efficiency 90.09% Input 11.98V 0.712A Ouput 5.221V 1.497A 7.817W Efficiency 91.64% Input 11.98V 0.954A Ouput 5.219V 1.997A 10.42W Efficiency 91.17% Input 11.98V 1.443A Ouput 5.213V 2.998A 15.62W Efficiency 90.36% Input 11.98V 1.018A Ouput 9.037V 1.297A 11.72W Efficiency 96.10% Input 11.98V 1.582A Ouput 9.026V 1.997A 18.02W Efficiency 95.08% Input 11.98V 2.416A Ouput 9.008V 2.998A 27.00W Efficiency 93.28% Input 13.99V 0.706A Ouput 12.05V 0.797A 9.607W Efficiency 97.27% Input 13.99V 1.337A Ouput 12.01V 1.497A 17.98W Efficiency 96.13% Input 13.99V 2.229A Ouput 11.70V 2.497A 29.22W Efficiency 93.70% Input 18.98V 0.660A Ouput 12.05V 0.997A 12.01W Efficiency 95.87% Input 18.98V 1.326A Ouput 12.03V 1.997A 24.04W Efficiency 95.52% Input 18.99V 2.007A Ouput 12.00V 2.998A 35.98W Efficiency 94.40% Input 23.98V 0.529A Ouput 12.04V 0.997A 12.01W Efficiency 94.68% Input 23.99V 1.058A Ouput 12.03V 1.997A 24.03W Efficiency 94.68% Input 23.98V 0.529A Ouput 12.04V 0.997A 12.01W Efficiency 94.68% Input 23.98V 1.598A Ouput 12.00V 2.998A 35.98W Efficiency 93.89% Input 23.99V 0.694A Ouput 12.05V 0.997A 16.00W Efficiency 96.10% Input 23.99V 1.042A Ouput 16.04V 1.497A 24.01W Efficiency 96.05% Input 23.99V 1.395A Ouput 16.01V 1.998A 31.99W Efficiency 95.59% Some Application: DIY adjustable Power Supply DIY a universal charger power supply for electronic equipment Package Include: 1x DC Converter Payment Method We accept only Paypal for both domestic and international. We will ship to the shown address on you PAYPAL Payment notice,Please confirm your shipping address in the PayPal Account. If buyer want to delay the payment because of financial problem, please contact me by the ebay message within 3 days. Shipping Detail Ship by Post Air-mail within 3 working days after full payment is received. The shipment usually takes 15-45 business days to Worldwide. We also provide international Expressed delivery such as EMS, DHL and UPS,extra shipping fees is needed. The shipping time may vary, depends on receiver's location. Feedback Policy We will leave positive feedback to buyer as soon as buyer pays for the item. Leaving Negative feedback or Netural Feedback is never a good way to resolve problem .We hightly appreciate that you can contact with us before you leaving Negative feedback or Neutral feedback .We will offer help to resolve your problems as fast as possible. Customer Service Work Time If you have any questions,Please contact with us via eBay message or our customer service e-mail . please be advised that e-mails will be replied by our customer services officers Mon. - Fri. 11:00 - 20:00 and Saturdays 11:00 – 15:00(Excluding Weekends and Public Holidays) You may expect to receive a response to your inquiry within 24 hours. (Excluding Weekends and Public Holidays) Engineered for professional eBay sellers! On Nov-29-14 at 09:28:42 PST, seller added the following information:

Condition:	New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...	Input voltage	DC 4.75-28V
Output Current	MAX 3A
Output voltage	DC 1.2-25V ( continuously adjustable )
The lowest dropout	2V