具有 2.5μA 靜態(tài)電流的 42V、3A 同步降壓型穩(wěn)壓器

LT8609/LT8609A/LT8609B是一款緊湊型高效率、高速同步單芯片降壓型開關(guān)穩(wěn)壓器，非開關(guān)瞬態(tài)電流功耗僅為1.7μA。LT8609/LT8609A/LT8609B可以提供3A連續(xù)電流。突發(fā)工作模式可在極低輸出電流下保持高效率，同時使輸出紋波保持在10mVP-P以下。SYNC引腳支持同步至外部時鐘，或用于低EMI操作的擴(kuò)頻調(diào)制。采用峰值電流模式拓?fù)涞膬?nèi)部補償允許使用小電感，從而提供快速瞬態(tài)響應(yīng)和良好的環(huán)路穩(wěn)定性。EN/UV引腳具有精確的1V閾值且可用于編程VIN UVLO或關(guān)斷器件。TR/SS引腳上的電容可在啟動過程中對輸出電壓斜坡率進(jìn)行編程，同時當(dāng)VOUT在編程輸出電壓的±8.5& ? 寬輸入電壓范圍：3.0V 至 42V\n? 超低靜態(tài)電流突發(fā)模式?工作：\n? < 2.5μA IQ (調(diào)節(jié) 12VIN 至 3.3VOUT)\n? 輸出紋波 < 10mVP-P\n\n? 高效率 2MHz 同步操作：\n? >93% 效率 (在 1A，從 12VIN 產(chǎn)生 5VOUT)\n\n? 最大連續(xù)輸出電流：3A\n? 最短快速導(dǎo)通時間：45ns\n? LT8609A提供固定3.3V和5V輸出\n? 可調(diào)及可同步頻率范圍：200kHz至2.2MHz\n? 展頻(SSFM)用于實現(xiàn)低EMI\n? 允許使用小型電感\(zhòng)n? 低壓差\n? 峰值電流工作模式\n? 精確的1V使能引腳;

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65V, 8A Synchronous Step-Down Silent Switcher 2 with 2.5μA Quiescent Current

DESCRIPTION The LT?8645S/LT8646S synchronous step-down regulator features second generation Silent Switcher architecture designed to minimize EMI emissions while delivering high efficiency at high switching frequencies. This includes the integration of bypass capacitors to optimize all the fa

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65V, 8A Synchronous Step-Down Silent Switcher with 2.5μA Quiescent Current

DESCRIPTION The LT?8645S-2 synchronous step-down regulator features Silent Switcher architecture designed to minimize EMI emissions while delivering high efficiency at high switching frequencies. This performance makes the LT8645S-2 ideal for noise sensitive applications and environments. T

文件：3.20123 Mbytes 頁數(shù)：30 Pages

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Dual Channel 6A, 42V, Synchronous Step-Down Silent Switcher 2 with 6.2μA Quiescent Current

FEATURES - Silent Switcher?2 Architecture: - Ultralow EMI on Any PCB - Eliminates PCB Layout Sensitivity - Internal Bypass Capacitors Reduce Radiated EMI - Optional Spread Spectrum Modulation - Exposed Die Package for Heat Sink Mount - 6A DC from Each Channel Simultaneously - Up to 8A on E

文件：3.71271 Mbytes 頁數(shù)：34 Pages

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42V, 2A/3A Peak Synchronous Step-Down Regulator with 2.5μA Quiescent Current

DESCRIPTION The LT?8609S is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 1.7μA of non-switching quiescent current. The LT8609S can deliver 2A of continuous current with peak loads of 3A (

文件：2.01549 Mbytes 頁數(shù)：24 Pages

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42V, 10A/12A Peak Synchronous Step-Down Silent Switcher

GENERAL DESCRIPTION The LT?8638-2 synchronous step-down regulator features the Silent Switcher? architecture designed to minimize EMI emissions while delivering high efficiency at high switching frequencies. This performance makes the LT8638-2 ideal for noise sensitive applications and envir

文件：984.56 Kbytes 頁數(shù)：35 Pages

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42V, 3.5A Synchronous Step-down Regulator with 2.5μA Quiescent Current

FEATURES ? Wide Input Voltage Range: 3V to 42V ? Wide Output Voltage Range: 0.787V to (VIN – 0.4V) ? Ultralow Quiescent Current Burst Mode? Operation: ?

文件：1.12302 Mbytes 頁數(shù)：31 Pages

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18V, 1A Step-Down Silent Switcher 3 with Ultra-Low Noise Reference

FEATURES ? Silent Switcher? 3 Architecture ? Ultra-Low RMS Noise (10Hz to 100kHz): 4μVRMS ? Ultra-Low Spot Noise: 4nV/√Hz at 10kHz ? Ultra-Low EMI Emission s ? Ultra-Fast Transient Response ?

文件：1.77006 Mbytes 頁數(shù)：45 Pages

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18V, 3A/5A Step-Down Silent Switcher 3 with Ultra-Low Noise Reference

FEATURES ? Silent Switcher? 3 Architecture ? Ultra-Low RMS Noise (10Hz to 100kHz): 4μVRMS ? Ultra-Low Spot Noise: 4nV/√Hz at 10kHz ? Ultra-Low EMI Emissions ? Ultra-Fast Transient Response ?

文件：1.36702 Mbytes 頁數(shù)：44 Pages

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42V, 1A/2.5A Step-Down Silent Switcher 3 with Ultra-Low Noise Reference

FEATURES ? Silent Switcher? 3 Architecture ? Ultra-Low RMS Noise (10Hz–100kHz): 2.8μVRMS ? Ultra-Low Spot Noise: 4nV/√Hz at 10kHz ? Ultra-Low EMI Emissions ? Ultra-Fast Transient Response ? Minimizes the Output Capacitance ? High Efficiency at High Frequency ? Up to 92.4% Efficiency at

文件：1.05904 Mbytes 頁數(shù)：44 Pages

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