LM2623 | Buy TI Parts | TI.com。LM317HVT/NOPB Texas Instruments - LDO Voltage Regulators。LM340T-12 Texas Instruments - LDO Voltage Regulators。LM2642 data sheet, product information and support | TI.com。スイッチング電圧レギュレータ GP Gated Oscillator DC/DC Boost Cnvtr