SG6961DZ

Semiconductor Components INDUSTRIES, LLC
SG6961 Critical Conduction Mode PFC Controller Features ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ Description Boundary Mode PFC Controller Low Input Current THD Controlled On-Time PWM Zero-Current Detection Cycle-by-cycle Current Limiting Leading-Edge Blanking Instead of RC Filtering Low Startup Current: 10µA (Typical) Low Operating Current: 4.5mA (Typical) Feedback Open-Loop Protection The SG6961 is an 8-pin...
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Технические характеристики

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Корпус DIP-8 PDIP8
Ток собственного потребления
Примечание Power Factor Controller, PDIP8
Рабочая температура
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SG6961 Critical Conduction Mode PFC Controller Features ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ Description Boundary Mode PFC Controller Low Input Current THD Controlled On-Time PWM Zero-Current Detection Cycle-by-cycle Current Limiting Leading-Edge Blanking Instead of RC Filtering Low Startup Current: 10µA (Typical) Low Operating Current: 4.5mA (Typical) Feedback Open-Loop Protection The SG6961 is an 8-pin boundary mode PFC controller IC intended for controlling PFC pre-regulators. The SG6961 provides a controlled on-time to regulate the output DC voltage and achieve natural power factor correction. The maximum on-time of the external switch is programmable to ensure safe operation during AC brownouts. An innovative multi-vector error amplifier is built in to provide rapid transient response and precise output voltage clamping. A built-in circuit disables the controller if the output feedback loop is opened. The startup current is lower than 20µA and the operating current is under 4.5mA. The supply voltage can be up to 20V, maximizing application flexibility. Programmable Maximum On-Time Output Over-Voltage Clamping Protection Clamped Gate Output Voltage 16.5V Applications ƒ ƒ ƒ Electric Lamp Ballasts AC-DC Switching Mode Power Converter Open-Frame Power Supplies and Power Adapters Ordering Information Part Number Operating Temperature Range SG6961SZ -30°C to +85°C 8-Pin Small Outline Package (SOP) SG6961DZ -30°C to +85°C 8-Pin Dual Inline Package (DIP) SG6961SY -30°C to +85°C 8-Pin Small Outline Package (SOP) © 2008 Fairchild Semiconductor Corporation SG6961 • Rev. 1.3.2 Package Packing Method Tape & Reel Tube Tape & Reel www.fairchildsemi.com SG6961 — Critical Conduction Mode PFC Controller June 2010 PDF
Документация на SG6961DZ 

SG6961 Critical Conduction Mode PFC Controller

Дата модификации: 22.06.2010

Размер: 835.7 Кб

14 стр.

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