KHT8050 KHT8576 KHT8576 电源IC KHTC-NGPS-15-G KHTC-NGPS-15-P KHTC-NGPS-25-G KHTC-NGPS-25-P KHTC-NGPS-311606-C KHTC-NGPS-35-G KHTC-NGPS-35-P