Advanced quasi-resonant offline high voltage converter with E-mode GaN HEMT

Description The VIPERGAN65 is a high voltage converter, designed for medium power quasiresonant ZVS (Zero Voltage Switching at switch turn-on) flyback converters, capable to provide an output power up to 65 W in wide range. It integrates a complete set of features that provide an extremely fle

文件：7.05779 Mbytes 页数：35 Pages

STMICROELECTRONICS

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Advanced quasi-resonant offline high voltage converter with E-mode GaN HEMT

Description The VIPERGAN65 is a high voltage converter, designed for medium power quasiresonant ZVS (Zero Voltage Switching at switch turn-on) flyback converters, capable to provide an output power up to 65 W in wide range. It integrates a complete set of features that provide an extremely fle

文件：7.05779 Mbytes 页数：35 Pages

STMICROELECTRONICS

意法半导体

先进的准谐振离线式高压转换器，带E型GaN HEMT

VIPERGAN65是一款高压转换器，适用于中功率准谐振ZVS（开关开启时的零电压开关）反激转换器，可在宽范围内提供高达65 W的输出功率。\n\n 该器件集成了一套完整的功能，是一款极其灵活且易于使用的芯片，有助于设计高效的离线电源。ZVS准谐振操作模式具有动态消隐时间功能和波谷同步功能，始终在漏极谐振的波谷处打开电源开关，降低了开关损耗，并在任何输入线路和负载条件下最大限度地提高了整体效率。先进的低静态功耗电源管理有助于实现低待机功耗。前馈补偿可最大程度地减小整个输入电压范围内的最大输出峰值功率变化。\n\n 除上述功能外，该器件还具有多项保护功能，可显著提高最终产品的安全性和可靠性。具体 • 准谐振 (QR) 反激控制器 \n• 650 V 增强模式PowerGaN晶体管 \n• 嵌入式传感场效应晶体管 \n• 动态消隐时间和可调谷值同步延迟功能，以最大限度地提高任何输入线路和负载条件下的效率 \n• 谷值锁定确保持续跃谷 \n• 具有自适应突发模式的高级电源管理，待机功耗低于30 mW• 输出过压保护 \n• 输入电压前馈补偿，减小独立电源输出峰值功率变化 \n• 过压和欠压保护 \n• 输入过压保护 \n• 集成热关断 \n• 频率抖动，用于抑制EMI;

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Advanced quasi-resonant offline high voltage converter with E-mode GaN HEMT

The VIPERGAN65D is a high voltage converter, designed for medium power quasi-resonant ZVS (Zero Voltage Switching at switch turn-on) flyback converters, capable to provide an output power up to 65 W in wide range.\n\n It integrates a complete set of features that provide an extremely flexible and ea • Quasi-resonant (QR) flyback controller \n• 700 V E-mode power GaN transistor \n• Embedded sense FET \n• Dynamic blanking time and adjustable valley synchronization delay functions, to maximize efficiency at any input line and load condition \n• Valley-lock to ensure constant valley skipping \n• Ad;

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Advanced quasi-resonant offline high voltage converter with E-mode GaN HEMT

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