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| APD American Power Design |   |
Torex U.S.A. Corporation |   | |
TelCom Semiconductor, Inc. |   | |
National Semiconductor |   | |
AMS Advanced Monolithic Systems, Inc. |   | |
Epson Electronics America, Inc. |   | |
Holtek Semiconductor No.3 Creation Rd. II, Science-based Indu - Science-based Industrial Park - Hsinchu, R.O.C Taiwan - |   | |
Zetex |   | |
Shafer Magnetic Components |   | |
NEC Electron Devices |   | |
STMicroelectronics |   | |
Infineon Technologies AG |   | |
Linear Technology |   | |
Mitsubishi Electric Corporation |   | |
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