SMPS ICs for low-power systems

General description The TEA152x family STARplug is a Switched Mode Power Supply (SMPS) controller IC that operates directly from the rectified universal mains. It is implemented in the high-voltage EZ-HV SOI process, combined with a low-voltage Bipolar Complementary Metal-Oxide Semiconductor (BiC

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STARplugTM

FEATURES · Designed for general purpose supplies up to 50 W · Integrated power switch: – TEA1520: 48 W; 650 V – TEA1521: 24 W; 650 V – TEA1522: 12 W; 650 V – TEA1523: 6.5 W; 650 V – TEA1524: 3.4 W; 650 V. · Operates from universal AC mains supplies (80 to 276 V) · Adjustable frequency fo

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SMPS ICs for low-power systems

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SMPS ICs for low-power systems Rev. 04 ??14 September 2010

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Cut costs and size for effi cient low-power supplies

TEA1522 key features Ñ Optimized for SMPS fl yback operation Ñ Integrated 650 V MOSFET power switch Ñ Operates directly from rectifi ed mains supply (80 to 276 V AC) Ñ Valley switching Ñ High voltage start-up Ñ Frequency reduction at low output power Ñ Switching can be stopped (0 duty cycl

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Cut costs and size for effi cient low-power supplies

TEA1522 key features Ñ Optimized for SMPS fl yback operation Ñ Integrated 650 V MOSFET power switch Ñ Operates directly from rectifi ed mains supply (80 to 276 V AC) Ñ Valley switching Ñ High voltage start-up Ñ Frequency reduction at low output power Ñ Switching can be stopped (0% duty

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开关电源 IC适用于低功率系统

TEA152x系列STARplug产品是一款开关电源(SMPS)控制器IC，可直接采用整流后的通用市电工作。该器件采用高压EZ-HV SOI工艺制造，并结合了低压双极性互补金属氧化物半导体(BiCMOS)工艺。该器件集成高压功率开关和直接利用整流后的市电电压启动的电路。内置专门的谷底开关电路，可以做成极为高效的超薄插头式电源。在多数的应用中，TEA152x系列器件是作为电压源使用。此处无需使用第二个电路。以最低的外部元器件成本，就可以实现电压和电流源的组合 针对最高30 W的通用电源设计\n集成功率开关：导通电阻48 Ω、耐压650 V\n在通用市电下工作（80 V至276 V）\n灵活设计的可调节频率\n用于稳定负载不敏感型调节环路的RC振荡器\n谷底开关具有最小开关导通损耗\n低功耗输出下的降频实现低待机功耗(< 100 mW)\n可调节的过流保护\n欠压保护\n过温保护\n短路绕组保护\n在初级侧和次级侧（光耦）均可做反馈的简单应用;

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