Features: Input voltage: 4V-35V Output voltage: 1.23V-30V Input current: 3A(maximum) DC-DC Buck Converter Step Down Module LM2596 Power Supply Specifications: Conversion efficiency:92%(highest) Switching frequency: 150KHz Output ripple: 30mA9maxmum) Packing content: 1 x DC-DC Buck Converter Step Down Module LM2596 Power Supply Output 1.23V-30V aeProduct.getSubject()