{"product_id":"lm2577-lm2596-dual-chip-dc-dc-buck-boost-converter-adjustable-step-up-down-module","title":"LM2577 LM2596 Dual-Chip DC-DC Buck-Boost Converter – Adjustable Step Up \u0026 Down Module","description":"\n\u003ch2\u003eLM2577 LM2596 Dual-Chip DC-DC Buck-Boost Converter Module\u003c\/h2\u003e\n\n\u003cp\u003eBuy the \u003cstrong\u003eLM2577 LM2596 Dual-Chip Buck-Boost Converter\u003c\/strong\u003e online in Pakistan from \u003cstrong\u003eRobostan.pk\u003c\/strong\u003e. This adjustable DC-DC voltage converter combines two switching regulator ICs to provide both step-up (boost) and step-down (buck) voltage conversion in a single module.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eLM2577S + LM2596S Buck-Boost Converter\u003c\/strong\u003e is suitable for electronics projects requiring an adjustable DC output from a power source whose voltage may be higher or lower than the desired output.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing a typical \u003cstrong\u003e3.5V to 28V DC input range\u003c\/strong\u003e, \u003cstrong\u003e1.25V to 26V adjustable output\u003c\/strong\u003e, and an onboard voltage adjustment potentiometer, this converter is useful for Arduino projects, robotics, portable electronics, battery-powered devices, and laboratory power supply experiments.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDual-chip DC-DC step-up and step-down converter\u003c\/li\u003e\n\u003cli\u003eCombines LM2577S boost and LM2596S buck regulators\u003c\/li\u003e\n\u003cli\u003eSupports voltage conversion above or below the input voltage\u003c\/li\u003e\n\u003cli\u003eTypical input voltage range: 3.5V to 28V DC\u003c\/li\u003e\n\u003cli\u003eAdjustable output voltage: 1.25V to 26V DC\u003c\/li\u003e\n\u003cli\u003eRated input and output current: 1A under appropriate conditions\u003c\/li\u003e\n\u003cli\u003eOnboard multi-turn voltage adjustment potentiometer\u003c\/li\u003e\n\u003cli\u003eSwitching regulator design\u003c\/li\u003e\n\u003cli\u003eConvenient screw terminal connections\u003c\/li\u003e\n\u003cli\u003ePower indicator LED on common versions\u003c\/li\u003e\n\u003cli\u003eTwo inductors and onboard filtering capacitors\u003c\/li\u003e\n\u003cli\u003eCompact PCB with mounting points\u003c\/li\u003e\n\u003cli\u003eSuitable for regulated DC power supply projects\u003c\/li\u003e\n\u003cli\u003eUseful for battery and solar-powered electronics\u003c\/li\u003e\n\u003cli\u003eIdeal for electronics testing and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e LM2577 LM2596 Dual-Chip Buck-Boost Converter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConverter Type:\u003c\/strong\u003e DC-DC Step-Up \/ Step-Down Voltage Regulator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoost Regulator IC:\u003c\/strong\u003e LM2577S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuck Regulator IC:\u003c\/strong\u003e LM2596S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 3.5V to 28V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Output Voltage:\u003c\/strong\u003e 1.25V to 26V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Input Current:\u003c\/strong\u003e 1A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Output Current:\u003c\/strong\u003e 1A, subject to input voltage, output voltage, power and thermal limitations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Capability:\u003c\/strong\u003e Some versions advertise up to 3A maximum; this is not a guaranteed continuous rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Adjustment:\u003c\/strong\u003e Multi-Turn Potentiometer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Connections:\u003c\/strong\u003e IN+ and IN-\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Connections:\u003c\/strong\u003e OUT+ and OUT-\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Board Size:\u003c\/strong\u003e Approximately 53 x 38 x 21mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Indicator:\u003c\/strong\u003e LED on Common Versions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Type:\u003c\/strong\u003e Adjustable DC Voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation:\u003c\/strong\u003e Non-Isolated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e PCB Module with Mounting Holes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eArduino and ESP32 power supply projects\u003c\/li\u003e\n\u003cli\u003eRobotics and embedded electronics\u003c\/li\u003e\n\u003cli\u003eAdjustable DC power supply circuits\u003c\/li\u003e\n\u003cli\u003eBattery-powered electronic equipment\u003c\/li\u003e\n\u003cli\u003ePortable power supply experiments\u003c\/li\u003e\n\u003cli\u003eSolar panel voltage regulation projects\u003c\/li\u003e\n\u003cli\u003eElectronic circuit prototyping\u003c\/li\u003e\n\u003cli\u003eDC voltage conversion experiments\u003c\/li\u003e\n\u003cli\u003eLow-power LED electronics with appropriate current control\u003c\/li\u003e\n\u003cli\u003eVoltage regulation for sensors and microcontrollers\u003c\/li\u003e\n\u003cli\u003eDIY electronics testing equipment\u003c\/li\u003e\n\u003cli\u003eEducational power electronics projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow Does the LM2577 LM2596 Converter Work?\u003c\/h3\u003e\n\n\u003cp\u003eThis module combines two switching voltage regulators:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLM2577S Boost Regulator:\u003c\/strong\u003e Increases a DC voltage through a step-up switching converter circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLM2596S Buck Regulator:\u003c\/strong\u003e Reduces the intermediate voltage to the output level selected using the onboard potentiometer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe combination allows the module to provide an adjustable output even when the input voltage is above or below the desired output voltage, provided that the actual operating conditions remain within the converter's limits.\u003c\/p\u003e\n\n\u003cp\u003eFor example, a user can configure the module to provide a suitable regulated voltage from a DC source whose voltage changes during operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Maximum available output current depends on input voltage, output voltage, conversion losses, component ratings and cooling. Higher output voltages do not imply that the module can deliver its rated current under all conditions.\u003c\/p\u003e\n\n\u003ch3\u003eAdjustable Output Voltage\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eLM2577 LM2596 DC-DC Converter\u003c\/strong\u003e includes an onboard potentiometer for setting the output voltage.\u003c\/p\u003e\n\n\u003cp\u003eTo configure the module:\u003c\/p\u003e\n\n\u003col\u003e\n\u003cli\u003eConnect a compatible DC supply to the input terminals.\u003c\/li\u003e\n\u003cli\u003eMeasure the output voltage using a digital multimeter.\u003c\/li\u003e\n\u003cli\u003eCarefully adjust the onboard potentiometer.\u003c\/li\u003e\n\u003cli\u003eSet the output to the required voltage.\u003c\/li\u003e\n\u003cli\u003eVerify the voltage before connecting the electronic load.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Never connect a sensitive device before checking the converter's output voltage. The module may arrive with its output set above the safe operating voltage of your equipment.\u003c\/p\u003e\n\n\u003ch3\u003eLM2577 LM2596 Wiring Connections\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTerminal\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eIN+\u003c\/td\u003e\n\u003ctd\u003ePositive DC input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIN-\u003c\/td\u003e\n\u003ctd\u003eNegative DC input \/ Ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOUT+\u003c\/td\u003e\n\u003ctd\u003ePositive regulated DC output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOUT-\u003c\/td\u003e\n\u003ctd\u003eNegative DC output \/ Ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eConnect the input supply to IN+ and IN-. Connect the load to OUT+ and OUT- after setting and verifying the required output voltage.\u003c\/p\u003e\n\n\u003cp\u003eThe input and output are not electrically isolated. This module must not be used where galvanic isolation is required.\u003c\/p\u003e\n\n\u003ch3\u003eBuck-Boost Converter for Battery Projects\u003c\/h3\u003e\n\n\u003cp\u003eBattery voltage can change during discharge. A buck-boost converter can help provide a selected output voltage to compatible electronic circuits while the supply remains within its supported operating range.\u003c\/p\u003e\n\n\u003cp\u003eThe LM2577 LM2596 module can be used in suitable low-power battery projects, provided that the battery voltage, converter current capability and output power requirements are properly matched.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This standard module is not a dedicated lithium battery charger or battery management system. Do not use it for charging lithium batteries unless the complete circuit includes appropriate charging control and protection.\u003c\/p\u003e\n\n\u003ch3\u003eLM2577 LM2596 vs LM2596 Buck Converter\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLM2596 Buck Converter:\u003c\/strong\u003e A step-down converter that reduces input voltage to a lower output voltage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLM2577 LM2596 Dual-Chip Converter:\u003c\/strong\u003e Combines boost and buck conversion to support adjustable outputs above or below the input voltage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eChoose the dual-chip module when the power source may be higher or lower than the required output voltage.\u003c\/p\u003e\n\n\u003ch3\u003eAdvantages of the Dual-Chip Buck-Boost Converter\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eVersatile Voltage Conversion:\u003c\/strong\u003e Supports step-up and step-down voltage regulation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAdjustable Output:\u003c\/strong\u003e Allows users to select an output voltage suitable for compatible electronics.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eConvenient Connections:\u003c\/strong\u003e Screw terminals simplify wiring during prototyping and testing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompact Design:\u003c\/strong\u003e Combines the regulator circuits on one PCB.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eEducational Value:\u003c\/strong\u003e Useful for learning switching power supplies, voltage regulation and DC-DC conversion.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Safety and Usage Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUse a regulated or otherwise suitable DC input source within the board's rated voltage range.\u003c\/li\u003e\n\u003cli\u003eObserve input and output polarity.\u003c\/li\u003e\n\u003cli\u003eAlways measure output voltage before connecting your load.\u003c\/li\u003e\n\u003cli\u003eDo not exceed the module's continuous current or thermal limits.\u003c\/li\u003e\n\u003cli\u003eThe advertised 3A maximum is not a guaranteed continuous output rating.\u003c\/li\u003e\n\u003cli\u003eActual current capability decreases under demanding step-up conditions.\u003c\/li\u003e\n\u003cli\u003eProvide ventilation and monitor temperature under load.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit the output.\u003c\/li\u003e\n\u003cli\u003eDo not connect the module directly to AC mains.\u003c\/li\u003e\n\u003cli\u003eThe module does not provide galvanic isolation.\u003c\/li\u003e\n\u003cli\u003eIt should not be treated as a certified charger or battery protection circuit.\u003c\/li\u003e\n\u003cli\u003eDo not assume constant-current regulation unless your specific board includes a verified current-control function.\u003c\/li\u003e\n\u003cli\u003eCheck the actual PCB specifications because LM2577\/LM2596 modules are manufactured in different configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x LM2577 LM2596 Dual-Chip DC-DC Buck-Boost Converter Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBuy LM2577 LM2596 Buck-Boost Converter in Pakistan\u003c\/h3\u003e\n\n\u003cp\u003eLooking for an \u003cstrong\u003eLM2577 LM2596 Dual-Chip Buck-Boost Converter in Pakistan\u003c\/strong\u003e? Shop online at \u003cstrong\u003eRobostan.pk\u003c\/strong\u003e for DC-DC voltage regulators, adjustable power supply modules, LM2596 buck converters, electronic components and robotics accessories.\u003c\/p\u003e\n\n\u003cp\u003eThis module is suitable for electronics students, engineers, hobbyists and makers developing adjustable low-voltage DC power supply projects.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOrder your LM2577 LM2596 Step-Up Step-Down Converter from Robostan.pk\u003c\/strong\u003e with nationwide delivery across Pakistan, including Lahore, Karachi, Islamabad, Rawalpindi, Faisalabad, Multan, Peshawar and other cities.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRobostan.pk – Build. Innovate. Create.\u003c\/strong\u003e\u003c\/p\u003e\n","brand":"ROBOSTAN","offers":[{"title":"Default Title","offer_id":68381706617198,"sku":null,"price":920.0,"currency_code":"PKR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/7391\/8062\/files\/ChatGPTImageNov14_2026_03_38_31PM-1.png?v=1794652912","url":"https:\/\/robostan.pk\/products\/lm2577-lm2596-dual-chip-dc-dc-buck-boost-converter-adjustable-step-up-down-module","provider":"ROBOSTAN","version":"1.0","type":"link"}