On the MarketXL6009/LM2577Use a SingleSS34Rectifier tube£¬FirstInsufficient Pressure Resistance£¬According to the Principle of Boost and Buck, The Withstand Voltage Values of Rectifier Tube and Switch Tube Should Be Greater than the Sum of the Maximum Input Voltage and the Maximum Output Voltage.£¨If the Maximum Input Voltage and Output Voltage Are30V£¬mosThe Withstand Voltage Value of the Tube and the Schottos Must Be Reached at Least.60V£©£¬SS34Highest Withstand Voltage40V£¬6009Maximum Withstand Voltage36V£¬The Design of This Module Has Potential Safety Hazards.£»
SecondlyInsufficient Current Output Capability£¬OriginalSS34The Maximum Current3A£¨Plus Switching Loss£¬Poor Heat Dissipation£¬Real Passable Current Capability Is Less3A£©£¬Once the Voltage Is Too High Or the Temperature Is Too High, It Will Be Broken down.£¬So as to Burn the Main Chip£¬Security Risks£»
Finally£¬XL6009/LM2577Low Efficiency£¬Ordinary Inductance Heating£¬Not a Step-down Chip£¬Lack of Adequate Protection¡£
This Module Uses Buck-Boost Chip as the Main Controller£¬External60V 75A MOSTube as Switch Tube£¬Double60V 5A SS56Rectifier£»XL6009/LM2577Programme£¬30VInput and Output Voltage and3AThe Large Current Cannot Withstand the Scrutiny of Principle and the Textual Research of Reality.£¡
Profile£ºWide Voltage Input5.5-30V£¬Wide Voltage Output0.5-30V,Both Boost and Buck£¬For Example, You Can Adjust the Output Voltage18V£¬Then the Input Voltage5.5-30VChange Casually£¬Constant Output18V£»For Example, Enter12V£¬Adjust Potentiometer Settings0.5-30VArbitrary Output¡£
High-Power£¬High Efficiency£¬Better PerformanceXL6009/LM2577Programme¡£External60V75AHigh-PowerMOS£¬Parallel High-Current and High-Voltage Schottky DiodeSS56¡£Not6009Or2577SchemeSS34Comparable£¬Because According to the Principle of Boost and Buck£¬MOSAnd the Withstand Voltage of Schottky Is Greater than the Sum of Input and Output Voltage.¡£
Iron Silicon Aluminum Magnetic Inductor£¬High Efficiency¡£
Product Parameters£º
Input Voltage£º5.5 -30V
OutputVoltage£º0.5-30V
Output Current£ºAble to Work Stably for a Long Time3A £¬Enhanced Heat Dissipation4A
Output Power£ºNatural Heat Dissipation30W£¬Enhance Heat Dissipation50W
Conversion Efficiency£º88%About
Short-Circuit Protection£ºHave
Work Frequency£º180KHZ
Size£ºLong*Wide*High 56*20*21mm
Weight£º17g
Pay Attention to Matters£º
1.This Module IsConstant Pressure Type£¬Not Recommended for Battery Charging OrLEDDriveand Other Occasions That Require Constant Current£¬For Constant Current Occasions, You Can Purchase Our Constant Voltage and Constant Current Automatic Step-down Module.£¬Link£º
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 ConnectionFunction£¬Please Pay Attention to the Positive and Negative Direction of the Power Supply¡£
4.Module If You WantFull Load Output£¬Input Voltage7VAbove£¬When the Input Voltage Is5.5VWhen£¬The Output Power Is about15W¡£
5.ModuleWith Output Short Circuit Protection£¬After Short Circuit Protection, the Module Automatically Closes the Output.£¬Power on the Module Again to Recover£¬If Your Power Supply Does Not Have Output Current Limiting Protection£¬We Recommend That You Connect the Fuse in Series at the Front End of the Module Input.£¬Improve Safety Factor¡£
6.ModuleInput Undervoltage Protection£¬the Default Is5VAbout£¬below This Value£¬The Output Is Automatically Disconnected.£¬Power on the Module Again to Recover£¨Note That the Voltage at the Module Port£¬When the Input Current Is Relatively Large£¬Do Not Ignore the Partial Pressure on the Input Wire£©¡£
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