具有 2.5µA 静态电流的 42V、3A 同步降压型稳压器

LT8609/LT8609A/LT8609B是一款紧凑型高效率、高速同步单芯片降压型开关稳压器，非开关瞬态电流功耗仅为1.7µA。LT8609/LT8609A/LT8609B可以提供3A连续电流。突发工作模式可在极低输出电流下保持高效率，同时使输出纹波保持在10mVP-P以下。SYNC引脚支持同步至外部时钟，或用于低EMI操作的扩频调制。采用峰值电流模式拓扑的内部补偿允许使用小电感，从而提供快速瞬态响应和良好的环路稳定性。EN/UV引脚具有精确的1V阈值且可用于编程VIN UVLO或关断器件。TR/SS引脚上的电容可在启动过程中对输出电压斜坡率进行编程，同时当VOUT在编程输出电压的±8.5& • 宽输入电压范围：3.0V 至 42V\n• 超低静态电流突发模式®工作：\n• < 2.5μA IQ (调节 12VIN 至 3.3VOUT)\n• 输出纹波 < 10mVP-P\n\n• 高效率 2MHz 同步操作：\n• >93% 效率 (在 1A，从 12VIN 产生 5VOUT)\n\n• 最大连续输出电流：3A\n• 最短快速导通时间：45ns\n• LT8609A提供固定3.3V和5V输出\n• 可调及可同步频率范围：200kHz至2.2MHz\n• 展频(SSFM)用于实现低EMI\n• 允许使用小型电感\n• 低压差\n• 峰值电流工作模式\n• 精确的1V使能引脚;

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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

文件：2.30606 Mbytes 页数：30 Pages

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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 页数：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 页数：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 页数：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 页数：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 页数：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 页数：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 页数：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 页数：44 Pages

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