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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PHI

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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PHI

PHI

Cut costs and size for effi cient low-power supplies

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

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Cut costs and size for effi cient low-power supplies

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

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開(kāi)關(guān)電源 IC適用于低功率系統(tǒng)

TEA152x系列STARplug產(chǎn)品是一款開(kāi)關(guān)電源(SMPS)控制器IC，可直接采用整流后的通用市電工作。該器件采用高壓EZ-HV SOI工藝制造，并結(jié)合了低壓雙極性互補(bǔ)金屬氧化物半導(dǎo)體(BiCMOS)工藝。該器件集成高壓功率開(kāi)關(guān)和直接利用整流后的市電電壓?jiǎn)?dòng)的電路。內(nèi)置專門(mén)的谷底開(kāi)關(guān)電路，可以做成極為高效的超薄插頭式電源。在多數(shù)的應(yīng)用中，TEA152x系列器件是作為電壓源使用。此處無(wú)需使用第二個(gè)電路。以最低的外部元器件成本，就可以實(shí)現(xiàn)電壓和電流源的組合 針對(duì)最高30 W的通用電源設(shè)計(jì)\n集成功率開(kāi)關(guān)：導(dǎo)通電阻48 Ω、耐壓650 V\n在通用市電下工作（80 V至276 V）\n靈活設(shè)計(jì)的可調(diào)節(jié)頻率\n用于穩(wěn)定負(fù)載不敏感型調(diào)節(jié)環(huán)路的RC振蕩器\n谷底開(kāi)關(guān)具有最小開(kāi)關(guān)導(dǎo)通損耗\n低功耗輸出下的降頻實(shí)現(xiàn)低待機(jī)功耗(< 100 mW)\n可調(diào)節(jié)的過(guò)流保護(hù)\n欠壓保護(hù)\n過(guò)溫保護(hù)\n短路繞組保護(hù)\n在初級(jí)側(cè)和次級(jí)側(cè)（光耦）均可做反饋的簡(jiǎn)單應(yīng)用;

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