HomedatasheetFAN6961SZ

FAN6961SZ Datasheet

Power Factor Correction ICs
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Description

The FAN6961SZ is an 8-pin, boundary-mode, PFC controller IC intended for controlling PFC pre- regulators. The FAN6961 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 20pA and the operating current has been reduced to under 6mA. The supply voltage can be up to 25V, maximizing application flexibility. FAN6961SZ Features • 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: 10{iA Typical• Low Operating Current: 4.5mA Typical• Feedback Open-Loop Protection• Programmable Maximum On-Time (MOT)• Output Over-Voltage Clamping Protection• Clamped Gate Output Voltage 16.5V FAN6961SZ Applications • Electric Lamp Ballasts• AC-DC Switching Mode Power Converter• Open Frame Power Supplies and Power Adapters• Flyback Power Converters with ZCS / ZVS
Features

Parameters

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Manufacturer information

DIODES INCORPORATED

Diodes Incorporated is a leading global manufacturer and supplier of high-quality, application-specific, standard products within the broad discrete, logic and analog semiconductor markets. Diodes Incorporated primarily serves the computing, consumer, communications, industrial and automotive segments. Diodes’ diverse product portfolio includes parts for LCD/LED TVs and displays, desktop, notebook and tablet computing, smartphones and hand-held devices, set-top boxes, power supplies and USB protection as well as many other application areas.

Diodes Incorporated offers a wide array of products including diodes, rectifiers, transistors, MOSFETs, gate drivers, protection devices, function-specific arrays, amplifiers and comparators, Hall-effect sensors and temperature sensors, power management devices including LED drivers, AC-DC converters and controllers, DC-DC switching regulators, linear voltage regulators, current monitors, and voltage reference and shunt regulators, along with special function devices including USB power switches, load switch devices, voltage supervisors and motor controllers.


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