ST的高压交流-直流转换器在单个芯片内整合了先进的脉宽调制(PWM)控制器和高压功率MOSFET。
这使其成为输出功率在几瓦到几十瓦范围内的离线开关电源(SMPS)的理想选择。该系列有众多产品供选择,您可以为最流行的拓扑结构选择最佳搭配,包括准谐振、反激和降压配置(隔离式或非隔离式应用),多保护特性可确保满足最严苛的可靠性要求。所需外部元件数量也可达到最低,从而最大限度地降低成本。
VIPer®高压转换器系列产品由集成了PWM控制器和700 V HV垂直功率MOSFET的单片集成电路IC组成。
VIPerPlus具有800 V耐雪崩功率MOSFET和顶级PWM控制器,静态功耗低于30 mW(@265 VAC)。该产品同样配有全面保护特性,并支持不同的拓扑结构。
Altair系列产品具有内置900 V耐雪崩功率MOSFET和PWM控制器,专为无光耦应用而设计,从而可显著减少元件数量。

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带有独特的零功率模式的新型VIPer0P
新推出的这款 VIPer0P 高压转换器,带有简化的电磁兼容抖动固定频率电流模式PWM控制,采用零功率模式(ZPM),可实现低于4 mW(在230 VAC条件下)的极低功耗。 当低电压输入/输出引脚(OFF或ON)被下拉至地时,VIPer0P能够进入和退出ZPM,因此,可使用体积小、成本低的安全极低电压(SELV)开关来替代笨重的主开关。 VIPer0P内置了一系列保护措施,包括过流保护(OCP)、VCC箝制、最大占空比和通量失控,使得设计的SMPS更加稳定安全。
VIPer0p是所有7 W以下、拥有宽广输入电压范围的SMPS器件的理想选择,包括:
- 符合EuP Lot6能源标准的家用电器
- 工业设备或消费类数码产品
使用 STEVAL-ISA174V1 非隔离反激式6W SMPS评估板来全面考察零功率模式VIPer0P高压转换器的主要优势。
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VIPER26
Fixed frequency VIPer plus family
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VIPER31
Energy Saving Off-line High Voltage Converter
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VIPER12A-E
Fixed frequency off line converter
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VIPER26K
1050 V High voltage converter
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VIPER53-E
Fixed frequency off line converter
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VIPER35
VIPerPlus family: Quasi-resonant high performance off line high voltage converter
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VIPER17
VIPerPlus family: Fixed frequency 6W high performance off line high voltage converter
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VIPER122
High voltage converter
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ALTAIR05T-800
Off-line all-primary-sensing switching regulator
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VIPER22AS-E
Low power off-line SMPS primary switcher
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VIPER22ADIP-E
Fixed frequency off line converter
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VIPER27
VIPerPlus family: Fixed frequency 12W high performance off line high voltage converter
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VIPER11
Energy saving off-line high voltage converter
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VIPER0P
VIPerPlus family: Zero-power off-line high voltage converter
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VIPER01
VIPerPlus family: Low voltage energy saving fixed frequency high voltage converter
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VIPER25
VIPerPlus family: Quasi-resonant high performance off line high voltage converter
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VIPER28
VIPerPlus family: Peak power fixed frequency off line high voltage converter
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VIPER22A-E
Fixed frequency off line converter
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VIPER53E-E
Fixed frequency off line converter
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VIPER01B
Energy saving off-line high voltage converter
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VIPER50A-E
Fixed frequency off line converter
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VIPER222
High voltage converter
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VIPER06
VIPerPlus family: Energy saving high voltage converter for direct feedback
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VIPER38
VIPerPlus family: Peak power fixed frequency high voltage converter
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ALTAIR04-900
Off-line all-primary-sensing switching regulator
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VIPER37
VIPerPlus family: Fixed frequency 15W high performance off line high voltage converter
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VIPER16
VIPerPlus family: Energy saving 6W high voltage converter with direct feedback
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ALTAIR05T-800
Off-line all-primary-sensing switching regulator
-
ALTAIR04-900
Off-line all-primary-sensing switching regulator
-
VIPER12A-E
Fixed frequency off line converter
-
VIPER22A-E
Fixed frequency off line converter
-
VIPER22AS-E
Low power off-line SMPS primary switcher
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VIPER22ADIP-E
Fixed frequency off line converter
-
VIPER53E-E
Fixed frequency off line converter
-
VIPER50A-E
Fixed frequency off line converter
-
VIPER53-E
Fixed frequency off line converter
-
VIPER11
Energy saving off-line high voltage converter
-
VIPER0P
VIPerPlus family: Zero-power off-line high voltage converter
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VIPER01
VIPerPlus family: Low voltage energy saving fixed frequency high voltage converter
-
VIPER26
Fixed frequency VIPer plus family
-
VIPER31
Energy Saving Off-line High Voltage Converter
-
VIPER25
VIPerPlus family: Quasi-resonant high performance off line high voltage converter
-
VIPER28
VIPerPlus family: Peak power fixed frequency off line high voltage converter
-
VIPER26K
1050 V High voltage converter
-
VIPER01B
Energy saving off-line high voltage converter
-
VIPER222
High voltage converter
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VIPER06
VIPerPlus family: Energy saving high voltage converter for direct feedback
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VIPER35
VIPerPlus family: Quasi-resonant high performance off line high voltage converter
-
VIPER17
VIPerPlus family: Fixed frequency 6W high performance off line high voltage converter
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VIPER122
High voltage converter
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VIPER38
VIPerPlus family: Peak power fixed frequency high voltage converter
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VIPER37
VIPerPlus family: Fixed frequency 15W high performance off line high voltage converter
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VIPER16
VIPerPlus family: Energy saving 6W high voltage converter with direct feedback
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VIPER27
VIPerPlus family: Fixed frequency 12W high performance off line high voltage converter