IC nguồn LM2576T:* LM2576T-5.0:- Kiểu chân: TO220(5); Hãng: National Semiconductor;- Step-Down Voltage Regulator: Voltage Output 5V/3A; Voltage Input up to 40V, Frequency Switching: 52kHz.* LM2576T-12V:- Kiểu chân: TO220(5); Hãng: National Semiconductor;- Step-Down Voltage Regulator: Voltage Output 12V/3A; Voltage Input up to 40V, Frequency Switching: 52kHz.* LM2576T-ADJ:- Kiểu chân: TO220(5); Hãng: STM;- Step-Down Voltage Regulator: Adjustable Voltage Output: 1.23V to 37V, 3A; Voltage Input 4V ~ 40V, Frequency Switching: 52kHz