DC-DC buck-boost konverteris su LM2577 ir LM2596S (1,25-30V 2A)

The LM2577S LM2596S Automatic Buck-Boost Power Module is a versatile DC-DC converter designed to automatically step up (boost) or step down (buck) input voltage to a stable output. Using the LM2577S boost converter and LM2596S buck converter together, the module seamlessly adjusts output voltage regardless of whether the input is higher or lower than the desired output. It is ideal for battery-powered systems, DIY electronics, portable devices, vehicle applications, and regulated DC supplies.

Features:
Automatic buck-boost functionality (step-up/step-down)
Stable output regardless of fluctuating input voltage
Built-in LM2577S boost converter and LM2596S buck converter
Adjustable output voltage using onboard potentiometer
High conversion efficiency with low ripple
Wide input voltage range suitable for various power sources
Ideal for battery packs, DIY electronics, and regulated DC powering

Specifications:
Module Type: Automatic Buck-Boost Power Supply
Input Voltage: 3.5V – 35V
Output Voltage: Adjustable 1.25V – 30V
Output Current: Up to 2A (recommended), 3A peak
ICs Used: LM2577S (Boost), LM2596S (Buck)
Efficiency: Up to 92%
Switching Frequency:
LM2577S: ~52 kHz
LM2596S: ~150 kHz

Protection Features:
Overcurrent protection
Thermal shutdown
Short-circuit protection

Adjustment: Potentiometer for output voltage tuning
Operating Temperature: –20°C to +85°C
Output Ripple: Low
Applications: Battery systems, DIY power supply, automotive circuits, embedded electronics