Versions. Adjustable Version Output Voltage Range,1.23 V to 37 V (57 V for HV Version) 4% Maximum Over. Line and Load Conditions. Specified 3-A The LM2576 series of regulators are monolithic integrated circuits ideally suited for easy and convenient design of a step down switching regulator (buck LM2576T -005G. Pb-free. Halide free. Active. Step-. Down. Voltage. Mode. 7. 40. 5. 3. 85. 52. TO-220-5. LM2576T -012G. Pb-free. Halide free. Active. Step-. Down. LM2576T -3.3. LM2576T -5.0. LM2576T -12. LM2576T -15. LM2576T -ADJ. T05A. LM2576HVT-3.3. Flow LB03. LM2576HVT-5.0. Flow LB03. LM2576HVT-12. May 6, 2004 LM2576T -005. LM2576T -012. LM2576T -015. LM2576T -3.3. LM2576T -ADJ. LM2931AT-5.0. LM2931CT. LM2931T-5.0. LM317BT. LM317BTG.