Profile£ºWide Voltage Input4.8-30V£¬Wide Voltage Output0.5-30V,Both Boost and Buck£¬For Example, You Can Adjust the Output Voltage18V£¬Then the Input Voltage5-30VChange Casually£¬Constant Output18V£»For Example, Enter12V£¬Adjust Potentiometer Settings0.5-30VArbitrary Output¡£
High-Power£¬High Efficiency£¬Better PerformanceXL6009/LM2577Programme¡£External High PowerMOS£¬Large Package High Current and High Withstand Voltage Schottky Diode¡£Plus-Sized Heat Dissipation and Copper Coating¡£
You Can Set the Current Size.£¬Used to Limit Output Current¡¢Constant Current Drive¡¢Battery Charging and Other Occasions¡£
Built-in Output Anti-Backfilling Function£¬No Additional Anti-Backfilling Diode Is Required When Charging the Battery.¡£
Product Parameters£º
Input Voltage£º4.8-30V
OutputVoltage£º0.5-30V
Output Current£ºAble to Work Stably for a Long Time3A £¬Enhanced Heat Dissipation4A
Output Power£ºNatural Heat Dissipation35W£¬Enhance Heat Dissipation60W
Conversion Efficiency£º88%About
Short-Circuit Protection£ºHave
Work Frequency£º180KHZ
Size£ºLong*Wide*High 68*37*22mm£¬Installation Aperture3mm
Weight£º38.7g
Use Methods£º
1.Used as a Common Step-down Module with over-Current Protection Capability
Use Methods£º
£¨1£©RegulationCVConstant Voltage Potentiometer£¬Make the Output Voltage Reach Your Desired Voltage Value
£¨2£©Use Multimeter10ACurrent Gear Measuring Output Short Circuit Current£¨Directly Connect Two Pen-Shape Meter to the Output£©,Simultaneous AdjustmentCCConstant Current PotentiometerMake the Output Current Reach the Predetermined Overcurrent Protection Value¡££¨For Example, the Current Value Displayed by the Multimeter Is2A£¬Then When You Use the Module, the Maximum Current Can Only Reach2A£¬Current2AWhen the Red Constant Voltage Constant Current Indicator Light Is on£¬Otherwise, the Indicator Light Is off.£©
Attention£ºWhen Used in This State£¬Because the Output Terminal Has0.05European Current Sampling Resistor£¬After the Load Is Connected, There Will Be0~0.3VPressure Drop£¬This Is Normal£¡This Pressure Drop Is Not Pulled down by Your Load.£¬But down to the Sampling Resistance¡£
2.Used as Battery Charger
Modules without Constant Current Function Cannot Be Used to Charge Batteries.£¬Due to the Large Pressure Difference between the Battery and the Charger after Power Consumption£¬Excessive Charging Current£¬Battery Damage£¬Therefore, the Battery Should Be Charged with Constant Current at the Beginning.£¬Automatically Switch Back to Constant Voltage Charging When Charging to a Certain Extent¡£
Use Methods£º
£¨1£©Determine the Float-Charge Voltage and Charging Current of the Battery You Need to Charge.£»£¨If the Lithium Battery Parameter Is3.7V/2200mAh,Then Float-Charge Pressure Is4.2V£¬Maximum Charge Current1C£¬Namely2200mA£©
£¨2£©Under No-Load Condition£¬Multimeter Measures Output Voltage£¬Adjust the Constant Voltage Potentiometer to Make the Output Voltage Reach Float-Charge£»£¨If You Give3.7VLithium Battery Charging£¬Adjust the Output Voltage4.2V-£©
£¨3£©Use Multimeter10ACurrent Gear Measuring Output Short Circuit Current£¨Directly Connect Two Pen-Shape Meter to the Output£©,Simultaneous AdjustmentConstant Current PotentiometerMake the Output Current Reach the Predetermined Charging Current Value£»
£¨4£©The Default Charging Turn Light Current Is0.1Multiple Charging Current£»(The Current of the Battery Decreases Gradually during Charging.£¬Gradually Change from Constant Current Charging to Constant Voltage Charging£¬If the Charging Current Is Set1A£¬Then When the Charging Current Is Less0.1AWhen£¬Blue Light off£¬Green Light on£¬At This Time, the Battery Is Fully Charged.)
£¨5£©Connect the Battery£¬Charging¡£
£¨Steps1¡¢2¡¢3¡¢4For£ºInput Terminal Connected to Power Supply£¬No-Load Battery at Output End£©
3.As High PowerLEDConstant Current Driver Module
£¨1£©Make Sure You Need to DriveLEDWork Current and Maximum Operating Voltage£»
£¨2£©Under No-Load Condition£¬Multimeter Measures Output Voltage£¬Adjust the Constant Voltage Potentiometer to Make the Output Voltage ReachLEDMaximum Operating Voltage£»
£¨3£©Use Multimeter10ACurrent Gear Measuring Output Short Circuit Current£¬Adjust the Constant Current Potentiometer at the Same Time to Make the Output Current Reach the PredeterminedLEDWorking Current£»
£¨4£©Connected toLED£¬Test Machine¡£
£¨Steps1¡¢2¡¢3For£ºInput Power Supply£¬No-Load OutputLEDLamp¡££©
Attention£ºThis Module Exceeds3A¡¢35WUse£¬Please Strengthen Heat Dissipation£¡£¡£¡
Pay Attention to Matters£º
1.Module InputIN-Prohibition and OutputOUT-Short-Circuit£¬Otherwise, the Constant Current Function Fails.¡£
2.Make Sure That the Power of the Power Supply Is at the Moment.GreaterPower Required for Output Load£¡
3.Module InputNo Input Anti-Reverse Connection Function£¬Please Pay Attention to the Positive and Negative Direction of the Power Supply¡£
4.If the Module Wants Full Load Output£¬Input Voltage8VAbove£¬When the Input Voltage Is5VWhen£¬The Output Power Is about15W¡£Maximum Module Current Value4A£¬The PremiseLimited by Maximum Output Power£¬For Example, Output17V£¬Current Should Not Be Greater2A¡£
5.ModuleWith Output Short Circuit Protection Function¡£
6.ModuleWith Input Undervoltage ProtectionFunction£¬the Default Is4.2VAbout£¬below This Value£¬The Output Is Automatically Disconnected.£¬After the Input Voltage Is Restored, It Can Be Started by Itself.¡£
7.Module ContainsThree Indicator Lights£¬Constant Voltage and Constant Current Status Indication£¨Red£¬Constant Current Mode£©¡¢Charging Indicator£¨Blue£©¡¢Full Indication£¨Green£¬Turn Light Current Size Is Set Current1/10£©¡£