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30W Product parameters： Input voltage: 4-30V Output voltage: 0.5-30V Output current: 3A, 4A with cooling fan Output power: 30W without cooling fan,60W with cooling fan Output ripple: 30MV (Full output voltage) Conversion efficiency: Boost, 88%-91%; Buck,87%-90%. Short circuit protection: Yes Working frequency: 180KHz Size: 48*23*21mm
Features: 1. it cao buck and boost.
no matter how large is the input voltage, the output voltage can be fixed on 12V.
when input voltage is 12V, the output voltage can be bucked to 5V, or boosted to 24V. 2. it is more efficient, more power than the XL6009-type module. 3. the ultra-low output voltage ripple
the output voltage ripple is only 20 mV when the input voltage is 12V, current is 3A, especially for the audio / power amplifier board, analog circuit power supply!
4.with a mobile phone charger or battery-powered, you can achieve 0.5 to 30 volts adjustable DC power supply, very convenient!
Package Include:
1 x Auto Step Up Down Power Supply AT30 Converter Buck Boost Module Replace XL6009
35W Product parameters: Input voltage: 5 ~ 30V Output voltage: 0.5 ~ 30V Output current: 3A (add heat up to 4A) Output power: 35W (add heat up to 60W) Output ripple: 20mV (12V 3A), while the common module is far more than 100mV! Conversion efficiency: 87 ~ 91%(Boost); 87 ~ 89%(Buck)
This parameter will change according to the pressure and load) Input overcurrent protection: 10A fuse Input anti-protection: High efficiency MOS type Input Undervoltage Protection: Yes Output overcurrent protection: Yes Operating frequency: 180KHZ Board size: 69 * 28 * 21mm
Features: 1 it cao buck and boost. no matter how large is the input voltage, the output voltage can be fixed on 12V. when input voltage is 12V, the output voltage can be bucked to 5V, or boosted to 24V. 2. constant current function. when the input voltage is among 5-30V, It can charge the battery, lithium battery, AA Rechargeable Battery. 3. you can set up the value of constant current without the help of multimeters. it is easy to use the single lap potentiometer with scales. 4. the real ultra-low output ripple voltage! Low ESR capacitor + two-stage filter, suitable for audio amplifier board, analog circuit power supply! 5. perfect protection function! MOS type anti-anti-burning circuit, input undervoltage shutdown, output over-current protection. 6. turn the lights function! Easy to use! Constant current charge when the red light and blue light, constant voltage charging only bright blue light, close to full when the blue light and green light, full of light only when the green light!
Package Include: 1 x  DC-DC Auto Step Up Step Down Power Supply Constant Current Buck Boost Module
Payment Method
Shipping Policy
Returns & Refund Policy
FeedbackPayment Method
EBAY Managed Payment. But we only Accept your Ebay Address, please Make sure it's 100% right.
Payment must be received in 5 business days of auction closing.
Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order.
Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched. Shipping Policy 1. We only ship to the confirmed address provided by eBay. please make sure your address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand. 2. Orders will be processed instantly and dispatched within 1-3 business days except hoilday, so we do NOT accept any email/message note after you place orders. 3. All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund. Returns & Refund Policy
All package need to wait 30 days(US only need 7-10 days),Please take care it.Less than 30 days,we can't take a refund.
If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please keep in touch with us and double check the return address before you return it.
If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item. Feedback
We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you keep in touch with us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.